Nady Systems Microphone 2W1KUHT User Manual

O W neR ’ S M anU al  
2W-1KU  
1000-Channel UHF Dual Receiver  
Wireless System  
 
System Features  
2W-1KU Receiver  
HT-1KU Handheld and  
BT-1KU Bodypack Transmitters  
Unsurpassed state-of-the-art PLL UHF  
performance with 120dB dynamic range  
and operation up to 500 feet line-of sight  
Choice of transmitters: HT-1KU or BT-1KU,  
all with 1000 easily selectable channels:  
manually with up/down buttons on units or  
via IR Sync download of selected channel  
for easy synchronization with receiver  
Two complete and independent wireless  
receivers with 1000 user-selectable UHF  
frequencies for simultaneous operation  
of two transmitters  
HT-1KU Handheld transmitter features a  
sleek, durable all-metal housing; power  
Off/On switch; internal antenna system;  
and superior neodymium cartridge for  
clear, powerful audio, maximum feedback  
rejection, and minimal handling noise  
True Diversity circuitry with two complete  
front ends per receiver for maximizing  
range and most effective elimination of  
signal dropouts  
AUTO-SCAN for easily locating clear  
channels and ASC(Auto-Sync Channel)  
IR download feature which sends selected  
Group/Channel information to transmitter  
via IR sender for easy frequency  
synchronization  
BT-1KU bodypack transmitter (choice of  
three versions: LT, LT/HM, or GT) features  
road worthy all-metal case; power Off/  
Mute/On switch; flexible external antenna  
rod; and mini locking connector for lapel  
(LT), Headmic(LT/HM), or instrument  
(GT) applications  
Sophisticated IF filtering for simultaneous  
operation of multiple systems in the  
same location  
HT-1KU and BT-1KU transmitters feature  
LCD displays indicating selected Group,  
Channel, Audio Input Levels, and Battery  
level status; transmitting High/Low RF  
power switch for optimizing distance  
operation depending on application;  
and operation with two AA batteries  
(alkaline or rechargeable NiMH) for  
Front panel touch control buttons and  
user-friendly LCD configuration menus  
Front panel backlit LCD display indicates  
selected Group, Channel, RF signal  
strength meter; A/B Diversity antenna  
status; Audio Output Volume level;  
Separate audio/peak LED bar graph display  
providing instantaneous audio level status  
easily seen from a distance  
longest reliable, economical battery life  
Back panel Balanced XLR Mic level and  
Unbalanced ¼” SUM Line level audio  
output jacks, squelch control, RF BNC  
connectors for dual removable ½ wave  
antennas, and DC power input jack supply  
Externally powered (adapter included)  
Rugged all-metal housing1U rack  
mountable with supplied rack ears  
(front antenna mount kit optional)  
Works with any two combinations of  
available instrument, handheld and  
lavalier UHF transmitters  
3
 
Quick User Controls Guide  
2W-1KU Receiver: Front View  
1
3
4
5
4
3
1
6
RECEIVER  
1
RECEIVER  
2
GROUP CHANNEL VOL  
GROUP CHANNEL VOL  
2W-1KU DUAL  
True Diversity  
2
7
2
12  
13  
GROUP CHANNEL VOL  
8
9
10  
11  
1. IR Infrared LED transmitter window for linking  
the RX to the TX for frequency download  
2. AUTO-SCAN / ASC (IR SYNC) BUTTON Long press  
(hold ~2 seconds) for AUTO-SCAN to locate a  
clear channel to use. Short press (~1 second)  
to make the IR link download the receiver’s  
selected frequency to the TX. To download,  
position the HT-1KU/BT-1KU transmitters’  
IR Window (36/45) about 6-12” away from the  
RX IR Window (1). Press the ASC Button (2) once  
and wait one second for the RX to respond.  
If the download is successful, the RX will  
show one of the Diversity Antenna Icons (8/13)  
and full RF LCD Bars (12) on the LCD Display (7).  
3. SET BUTTON To scroll through the LCD menu  
and set the selected program/function  
5. AF/PEAK LEDS Shows GREEN LEDs for normal  
audio and PEAK RED LED for maximum audio  
level allowable  
6. POWER BUTTON Press for one second to turn  
both receivers ON-OFF  
7. LCD DISPLAYS For indication of A-B Diversity,  
GRP (00-09)/CH (00-99), RF signal strength  
indicator 1-6 bars, and Volume Levels (0-63)  
8. DIVERSITY A INDICATOR Indicates receiver A  
is active when transmitter is on  
9. FREQUENCY GROUP Indicates selected GROUP  
from 00-09  
10. FREQUENCY CHANNEL Indicates selected  
CHANNEL from 00-99  
11. SUM VOLUME LEVEL Indicates selected LINE  
output level from 00-63, (63 is loudest output)  
12. RF SIGNAL METER Indicates received signal  
strength level from 1-6 bars, (full 6 bars shows  
strongest incoming RF signal)  
4.  
UP BUTTON To change the receiver  
LINE output VOL level, GRP/CH up by  
one step at a time  
DOWN BUTTON To change the receiver  
LINE output VOL level, GRP/CH down by  
one step at a time  
13. DIVERSITY B INDICATOR Indicates receiver B  
is active when transmitter is on  
4
 
2W-1KU Receiver: Back View  
14  
15  
16 17  
18  
17 16  
15  
BALANCED  
BALANCED  
DC13~15V  
500mA  
MIXED MIC-1  
+
MIC-B  
UNBALANCED  
MIN MAX  
MUTE  
MIN MAX  
MUTE  
SUM OUT  
POWER  
ANT-B  
2
MIC-2 OUT  
MIC-1 OUT  
1
ANT-A  
20  
(Optional)  
22  
19  
21  
14. DC INPUT JACK For using supplied external  
19. DC POWER SUPPLY UNIT DC16VDC/800mA  
AC/DC adapter to power the receivers  
connects to DC Input Jack (14)  
15. RF CONNECTORS A/B Antenna jacks for RF  
20. ANTENNAS ½ wave antennas connect to  
True Diversity reception  
A/B antenna jacks  
16. MUTE (SQUELCH) CONTROL Controls the mute  
level for each receiver—turn CW for maximum  
range; turn CCW for minimum range, if  
needed, to minimize noises from outside  
RF interference upon muting  
21. RACK EARS Attached to both sides of receiver  
and the equipment racks with screws  
22. ANTENNA EXTENSION CABLES (Optional)  
Attach coax cables with BNC connectors from  
back antenna jacks to rack ear holes for front  
antenna mounting configuration  
17. BALANCED MIC OUT Audio output connection  
for each receiver—fixed mic level, not  
adjustable  
18. UNBALANCED AUDIO OUT SUM Volume Level  
audio output for both receivers—adjustable  
LINE level  
5
 
Quick User Controls Guide  
HT-1KU Handheld Transmitter  
24  
25  
26  
31 32  
33  
34 35  
27  
29  
30  
28  
37  
36  
38  
24. BATTERY COVER Unscrew to insert two  
AA alkaline batteries  
25. MIC BALL Windscreen/dust cover  
31.  
UP BUTTON To change the GRP/CH or VOL  
level up by one step at a time or to light up  
the display  
DOWN BUTTON To change the GRP/CH or  
VOL level down by one step at a time or to  
light up the display  
26. LCD DISPLAY For indication of GRP (00-09)/CH  
(00-99), INPUT AUDIO LEVEL, and BATTERY  
status (1 bar=empty). See 27/28/29/30 in  
diagram above for LCD display indicators detail 32. SET To scroll through the LCD menu and set  
the selected program/function  
33. RF POWER HI/LOW RF power level setting for  
high or low output  
34. POWER ON/OFF SWITCH Slide power switch  
up-down to turn ON-OFF  
35. INTERNAL ANTENNA Built-in antenna  
36. IR RECEPTOR SENSOR/WINDOW Infrared LED  
sensor for linking the TX to the RX during  
IR frequency download.  
27. FREQUENCY GROUP Indicates selected GROUP  
from 00-09  
28. FREQUENCY CHANNEL Indicates selected  
CHANNEL from 00-99  
29. INPUT VOLUME LEVEL Indicates input audio level  
ranging from 00dB to -30dB  
30. BATTERY METER Indicates battery status  
(5 bars=100%, 1 bar=20%). Change batteries  
when flashing “BATT”  
37. BATTERY COMPARTMENT  
38. TWO AA ALKALINE BATTERIES  
6
 
Quick User Controls Guide  
BT-1KU Bodypack Transmitter (lT, lT/HM or GT)  
40  
41  
42  
27  
28  
30  
29  
39  
43  
44  
45  
46  
47  
48  
50  
49  
39. LCD DISPLAY For indication of GRP (00-09)/  
CH (00-99), AUDIO INPUT LEVEL (0dB to  
-30dB), and BATTERY status (5 bars to 1  
bar and “BATT.” See 27/28/29/30 in HT-1KU  
transmitter diagram above for detail on  
LCD display indicators.  
44. SET BUTTON To scroll LCD menu and set the  
selected program/function  
45. IR RECEPTOR SENSOR Infrared LED sensor for  
linking the TX to the RX during IR frequency  
download  
46. RF POWER HI/LOW SWITCH To select power  
level setting for high or low output  
47. BATTERY COMPARTMENT  
40. INPUT JACK 3.5mm locking mini jack for  
connecting audio input cord from lapel mic  
(LT), Headmic(LT/HM), or instrument (GT)  
41. POWER OFF/MUTE/ON SWITCH Slide power  
switch to ON or OFF to turn ON-OFF, set to  
MUTE to turn power on with audio muted  
42. ANTENNA Permanently attached antenna  
48. LATCHING BATTERY COMPARTMENT DOOR  
49. BELT CLIP (on back of unit)—removable clip can  
be set for top of transmitter pointing either up  
or down  
50. TWO AA ALKALINE BATTERIES  
43.  
UP BUTTON To change the GRP/CH or VOL  
level up by one step at a time or to light up  
the display  
DOWN BUTTON To change the GRP/CH or  
VOL level down by one step at a time or to  
light up the display  
7
 
System Operation  
Short press (~ 1 second) to transfer the  
selected frequency information from  
the receiver to the transmitter for easy  
synchronization prior the transmitter can  
be used. When short pressing the ASC  
IR Sync button while the main menu is  
displayed, the IR leD (1) will light up red  
and stay for about three seconds. This  
indicates IR transmission is in progress  
and IR data is transferring during this  
period. A transmitter should be used  
at this time to receive data from the  
receiver (see IR Sync Programming  
in Programming sections of HT-1KU  
and BT-1KU transmitter sections).  
Upon successful data transferred (usually  
in about three seconds) the IR LED stops  
and the transmitter’s backlight will light  
up and the transmitter will transmit a  
radio signal on the same channel as the  
receiver. The Signal Strength and Diversity  
indicators on the receiver’s LCD display  
will then light up, indicating that the IR link  
is completed. If manual channel selection  
is preferred, skip this selection.  
2W-1KU Receiver  
Buttons Function  
The Power Button (6) is used to turn both  
receivers ON or OFF at the same time.  
When this power button is pressed, the blue  
backlights on the lCD Displays (7) will light  
up indicating the receivers are on. Press the  
Power button again to turn off the receivers.  
The LCD will display “OFF” then the backlight  
will turn off indicating the receivers are off.  
At power-off the 2W-1KU receivers will  
store the last settings entered and re-display  
them at power-on. It can be reprogrammed  
to any new Group/Channel, or Volume  
level. The default factory setting is Group  
04 (Receiver 1) and 05 (Receiver 2), and  
Channel 00, Volume 63 for both receivers.  
The (Up) or (Down) Buttons (4) are active  
while in the Set mode, or can be used to  
change Volume level (11) at anytime.  
When the Set Button (3) is repeatedly  
pressed the LCD display menus will cycle  
in the following order:  
Note: If you are using multiple transmitters at the  
same location, set up the first transmitter and leave  
it ON and keep it 3 ft. away from the receivers.  
Then start AUTO-SCAN on the second receiver.  
This avoids duplicate selection of the same channel  
as already selected for the first receiver.  
>
>
>
MAIN MENU VOLUME GROUP  
>
(repeats)  
CHANNEL MAIN MENU  
During manual programming, the selected  
function will flash for five seconds or press  
the Set button to confirm the selection and  
the display will return to the main menu.  
If you are not satisfied with a channel after  
scanning, repeat anytime for locating another  
free channel.  
The aUTO-SCan / aSC (IR Sync) Button (2)  
has two functions:  
Selecting the 2W-1KU Receiver  
Volume level / Group / Channel  
This section will also aid in finding desired  
channel(s) of operation when setting up  
your system(s).  
Long press (hold ~2 seconds) for AUTO-  
SCAN for finding a clear channel within  
the frequency band (with all TXs turned  
off at this time). Clockwise running bars  
on the LCD display shows the scanning  
is in progress which normally takes ten  
seconds. When it finds an interference-  
free channel, it will display and store that  
channel for use. Then ASC IR Sync the  
TX as described below.  
Press the Set Button (3) three times to  
check the current Volume levels (11) setting.  
To change the Volume levels, press the  
(Up) or (Down) Buttons (4) anytime for  
single stepping, or hold the Up/Down button  
continuously for faster level selection.  
Select 1 of 63 (soft to loud sound) levels  
8
 
from the Volume menu and advance to exit  
Setup Mode by pressing the Set button  
one more time.  
Installing antennas  
Install antennas by connecting the two  
antennas (20) included with your system  
onto the two RF Connectors (15) located  
on the back of the 2W-1KU receiver. The  
two antennas must be installed in order to  
the diversity circuit to work properly. The  
optimal positions of the antennas are 45°  
from the receiver and 90° from each other.  
For maximum range, it is always best to  
maintain a line-of-sight (no obstructions)  
between the receiver antennas and the  
transmitter at all times whenever possible.  
Choose the 2W-1KU operating frequency  
by selecting one of ten Groups (9) and one  
of 100 Channels (10) that are determined to  
be desirable open channels. Press the Set  
button to enter the Group setup mode and  
the Group icon will flash, then press the  
Up/Down button once for single stepping  
through the groups, or hold continuously  
for faster group selection. Select one of ten  
groups available from the Group menu and  
then press the Set button again for Channel  
Setup mode and the Channel icon will flash,  
or press the Set button twice to exit without  
changing the channel. In the Channel setup  
menu. Press the Up/Down button once  
for single stepping through the channels,  
or hold continuously for faster channel  
selection. Select one of 100 channels  
To install optional antenna extension Cables  
(22), insert one end of each cable into a rack  
ear hole and secure using the removable  
nut. Clip the other end of the cable to an  
RF Connector (12) on the back of the unit.  
Connect the two antennas to the front of  
the system.  
available from the channel menu or press  
the Set button twice to skip Volume Level  
setting and exit to main menu. During  
manual programming, the selected function  
will flash for five seconds, or press the Set  
button to confirm the selection and the  
display will return to the main menu. For  
detail how to IR Sync the TX, see IR Sync  
Programming in Programming sections of  
HT-1KU and BT-1KU transmitter sections.  
Powering the Receivers  
To power the receivers, plug the supplied  
AC/DC Power Supply (19) adapter into  
the DC Input Jack (14) on the back of the  
receivers, then plug the adapter into an  
AC outlet.  
Note: Any 16-18VDC power source with 800mA  
minimum capacity can also be used.  
To turn on, press the Power Button (6)  
for two seconds. The lCD Display (7) will  
light (showing Group, Channel, RF Level  
Meter, Diversity, and Output Volume).  
The 5-segment aF leD Tree (5) will display  
the audio level when the transmitter is on  
(audio is transmitted). To turn off, press the  
Power button for two seconds. The LCD will  
display “OFF” then the backlight will turn  
off indicating the receivers are off.  
Rack-mounting the Receiver  
The Nady 2W-1KU dual receiver wireless  
system includes a rackmount kit for front  
antennas mounting. Simply attach the “L”  
shape Rack ears (21) to the unit with the  
supplied screws.  
Note: Do not mount the receiver on a rack directly  
above an amplifier or other source of high heat.  
This could degrade the performance of the  
2W-1KU. Always ensure adequate airflow and  
heat dissipation in any rack configuration.  
Connect either the ¼” Unbalanced SUM line  
Out (18) or each XlR Balanced Mic Outs (17)  
to your mixing board, effect, or amplifier  
inputs (See Connecting the Audio Outputs  
section).  
9
 
adjusting the Squelch  
Connecting the audio Outputs  
The 2W-1KU receiver has one Unbalanced  
audio SUM Out (18) adjustable line level  
audio output and two Balanced XlR Mic  
Out (17) fixed level jacks and each works  
independently per channel. The Unbalanced  
Audio Out is controlled by (Up) or  
(Down) Buttons (4). The receiver Volume  
Display (12) will indicate the level selected.  
For unbalanced output, plug a ¼” mono  
(Tip/Sleeve) audio cable into the Unbalanced  
Audio Out jack and plug the other end into  
your mixing board or amplifier. When using  
the BT-1KU instrument transmitter system,  
connect the Unbalanced Audio SUM Out  
directly to your instrument amp or preamp.  
At maximum receiver volume setting, as  
indicated by the Volume display, the system  
output is approximately +4dB higher than a  
direct cord-to-amp connection.  
In normal operation, each 2W-1KU receiver’s  
Mute Control (16) works independently and  
should be adjusted clockwise (CW) to the  
minimum RF squelch setting at which the  
RF level Meter (12) and one of the Diversity  
Indicators (8/13) will remain on while your  
transmitter is in normal use, up to the  
maximum operating range anticipated in use  
for your application. However, in areas of  
high RF activity, the Mute control may need  
to be adjusted counterclockwise (CCW).  
If the transmitter is off and the RF Signal  
Meter (12) and Diversity Indicators (8/13) are  
flickering or stay on continuously, the Mute  
level should be adjusted higher level CCW  
(counterclockwise for less mute sensitivity  
level) to stop the flickering. Be careful not  
to adjust a too high CCW setting as this  
may reduce the operating range to below  
what is needed. A range walk test will help  
in selecting the proper level. If the range  
is not critical, note that a counterclockwise  
(maximum mute) setting will also yield  
a quieter mute function, which might be  
desired in certain applications. The Mute  
level is factory preset at clockwise (CW) for  
maximum sensitivity and operating range  
(i.e. clockwise (CW) for minimum squelch  
level—maximum usable range).  
Note: Both receivers’ output will be mixed together  
as per the individual receivers’ volume settings  
as selected by the up/down volume controls.  
If separate signals are required for each instrument  
then the XLR outputs must be used, however, note  
they are not line level or adjustable. The SUM out  
is best utilized for switching between separate  
transmitters during performance with only one audio  
signal at a time fed to the instrument amplifier.  
For balanced output, plug an audio cable with an  
XLR connector into the XLR Balanced Mic Out  
socket for each receiver and plug the other end into  
your mixing board or amplifier inputs accordingly  
As when making any connection, make sure  
the amplifier or mixing board volume is at the  
minimum level before plugging in the receiver  
to avoid possible sound system damage.  
audio level and Peak leD Indicator  
The 2W-1KU receiver has two 5-segment  
aF/Peak leDs Displays (5) and each works  
independently per receiver. The AF/Peak  
LEDs light up sequentially, indicating  
the level of the audio signal from the  
transmitter. Occasional flickering of the  
top (red) Peak LED on loud inputs to the  
transmitter is normal. If the Peak LED lights  
continuously decrease the input audio level  
to the transmitter or overload distortion  
may result.  
Your 2W-1KU receiver is now operational  
and ready to use. Once you have completed  
the above steps, proceed to the following  
instructions for the HT-1KU handheld or  
BT-1KU instrument transmitter.  
Note: Only one transmitter can be used with one  
receiver. It is not possible to use two transmitters  
on the same frequency and mix the output of  
these transmitters into one wireless receiver.  
However, as this is a two receiver unit, two  
transmitters on separate frequencies can be  
utilized, one with each receiver.  
10  
 
Powering the Transmitter On/Off  
HT-1KU Handheld  
To turn on the transmitter, slide the  
Power On/Off Switch (34) to the “ON”  
position. The LCD backlight will light up,  
indicating the unit is now on. After ten  
seconds the backlight will automatically  
turn off to conserve battery life. The Group  
(27), Channel (28), Input Volume level (29), and  
Battery Meter (30) indicator icons stay on  
for normal operation.  
Microphone Transmitter  
Buttons Function  
The RF Power level Switch (33) is used to  
select Hi/Low power transmission.  
Each time the Set Button (32) is pressed, the  
LCD menu will cycle in the following order:  
>
>
>
MAIN MENU VOLUME GROUP  
As many of the LCD battery levels should  
stay lit as possible, as they indicate usable  
battery strength. As the batteries weaken,  
fewer of the level indicators will stay lit until  
only one bar shows, which will then flash to  
warn that the batteries are now too low and  
should be replaced as soon as possible with  
fresh ones.  
>
(repeats)  
CHANNEL MAIN MENU  
The (Up) or (Down) Buttons (31) work in  
the set mode only. They can be used to  
change any Group/Channel as selected  
(if not using IR Sync from receiver).  
They can also be used to select the desired  
Input audio level VOL setting. Or they can  
be used to turn on the LCD display.  
To preserve battery life, turn the transmitter  
off when not in use. To turn the transmitter  
off, slide the power on/off switch to the  
“OFF” position. The LCD will display “OFF,”  
no LCD or backlight is lit up and the unit will  
be off.  
During manual programming, the selected  
function will flash for five seconds, or press  
the Set button to confirm the selection and  
the display will return to the main menu.  
At Power Off the transmitter will store  
the last settings entered and re-display  
them at the next power on where it can be  
reprogrammed to any new Group/Channel  
or Volume level at the first time of use or  
anytime later. The factory default setting for  
Volume -10dB is same for all transmitters.  
These settings are optimal for most  
applications.  
Setting up the Transmitter  
The HT-1KU requires two AA size batteries  
to operate. To install the batteries onto  
the battery compartment, unscrew the  
Battery Compartment Cover (24) by turning  
counterclockwise until loose and slide down  
the cover, exposing the Battery Compartment  
(37). Insert two fresh AA batteries according  
to the correct polarity as indicated on the  
transmitter body. Screw the battery cover  
back onto the microphone, making sure it is  
securely tightened. Fresh alkaline batteries  
can provide up to 8-10 hours of operation,  
but in order to ensure optimal performance  
it is recommended that the batteries  
Programming the HT-1KU  
to the Selected Channel  
The transmitter can be programmed to the  
same frequency as selected for the receiver,  
either via automatic synchronization using  
the IR Sync function or manually on the  
transmitter itself.  
be replaced after 6-8 hours of use or as  
indicated to be necessary by the flashing  
Battery “BaTT” Meter Icon (30).  
11  
 
IR Sync Programming:  
press the Set button again for the channel  
selection. The Channel Icon (28) will now  
flash. Again, use the Up/Down buttons to  
change the channel as desired. When the  
Group/Channel selection is done, press the  
Set button again to enter the Volume level  
Input (29) setting and then press Up/Down  
to change in four steps from 00dB to -30dB  
(for loudest input) or press the Set button  
the again to exit to the main menu.  
Use the wireless IR leD Receptor Sensor (36)  
to download pre-programmed channels  
from the receiver. Start programming by  
holding the IR LED Receptor about 6-12”  
from the receiver’s IR leD Window (1), then  
press the IR Sync Button (2) on the receiver  
to be used. When short pressing the aSC IR  
Sync Button (2), while the main menu is  
displayed, the IR LED will light up red and  
stay for about three seconds. This indicates  
IR transmission is in progress and IR data  
is transferring during this period. Upon  
successful data transfer (usually in about  
three seconds) the IR LED stops and the  
transmitter’s backlight will light up and  
the transmitter will transmit a radio signal  
on the same channel as the receiver. The  
Signal Strength and Diversity indicators on  
the receiver’s LCD display will then light up,  
indicating that the IR link is completed.  
To change the volume input level only,  
press the Set button three times to select  
the volume input level setting. Use the Up/  
Down button to change in four steps from  
00dB to -30dB (for loudest input). The level  
is preset at -10dB for the HT-1KU, which is  
best for most applications.  
For normal operation, the transmitter should  
have the same Group/Channel as displayed  
on the receiver. The default factory setting is  
Group 04 (Transmitter 1) and 05 (Transmitter  
2), and Channel 00 for all transmitters.  
After programming is finished, slide the  
battery cover back then turn the Mic Ball (25)  
counterclockwise to secure the housing.  
The HT-1KU is now ready for use.  
Note: If procedure is not done correctly during the  
three seconds of active data transfer, the receiver  
and the transmitter do not link and transmitter’s  
previous programmed channel remains  
unchanged.  
The IR link is infrared light and thus works best  
when this data transfer is accomplished in a  
light-shielded or darker environment. It may not  
be successful in a brightly lit area. If the transfer  
fails, repeat the procedure in a darker location  
or somehow shield the link from outside light to  
successfully program the transmitter with the  
pre-programmed group and channel info from  
Note: If you are using multiple transmitters at  
the same location, set up the first transmitter  
and leave it ON and keep it 3 ft. away from the  
receivers. Then start AUTO-SCAN on the second  
receiver. This avoids duplicate selection of the  
same channel as already selected for the first  
receiver.  
the receiver.  
If you are not satisfied with a channel after  
scanning, repeat again anytime for another  
free channel.  
Manual Programming (GRP/CH and Volume):  
The transmitter’s frequency is set using the  
Set Button (32) and then the (Up) or (Down)  
Buttons (31) . During manual programming,  
the selected function will flash for five  
seconds or press the Set button to confirm  
the selection and the display will return  
to the main menu. To start, press the Set  
button once. The backlight on the lCD (26)  
Operating the HT-1KU  
Handheld Transmitter  
During normal operation with the unit  
powered ON, the transmitter power  
level can be changed by sliding the  
RF Power Switch (33) to “H” to increase the  
will light up and the Group Icon (27) will flash. transmitted RF power (for longer range) or  
Use the Up/Down buttons to change the  
group. When a group selection is finished,  
to “L” to decrease the RF power (reduced  
range). This is a useful feature as the “L”  
12  
 
setting increases battery life and also  
optimizes the number of channels that can  
be used simultaneously in a given location.  
Use this setting for normal use not requiring  
maximum operating range. A range walk  
test before use will determine which setting  
is best for your application.  
Setting up the Transmitter  
The BT-1KU bodypack requires two AA size  
batteries to operate. To install the batteries  
into the battery compartment, lift the  
Battery Compartment Door (48) by grabbing  
the two spring-loaded locking tabs and pull  
out, exposing the Battery Compartment (47).  
Insert two fresh aa batteries (50) according  
to the correct polarity as indicated on the  
transmitter body. Close the battery cover,  
ensuring the cover is snapped shut. Fresh  
alkaline batteries can last provide up to 8-10  
hours of operation, but in order to ensure  
optimum performance it is recommended  
that the batteries be replaced after 6-8 hours  
of use or as indicated necessary by the  
flashing Battery Meter “BaTT” Icon (30).  
Slide the On/Off switch to the “ON”  
position and the microphone is now ready to  
use. The receiver’s RF Signal Meter (12) and  
one Diversity a or B (8/13) indicator should  
now be on, indicating a received signal from  
the transmitter. Adjust the volume of the  
receiver per Connecting the Audio Output  
section above.  
note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
The RF Signal meter and the Diversity A or B  
indicator on the receiver’s LCD display should  
be “ON” in normal operation.  
Connecting Input audio Source  
Use the audio Input (40) 3.5mm locking mini  
jack for connecting the audio input cord  
from lapel mic (LT), Headmic(LT/HM),  
or instrument (GT), depending on which  
version transmitter is being used. Secure  
the connection to the cable by lining up  
the slot of the 3.5mm mini connector and  
turning the ring to securely lock in.  
BT-1KU Bodypack Transmitter  
(lT, lT/HM or GT)  
Buttons Function  
The RF Power level Switch (45) is used to  
select Hi/Low power transmission.  
Powering the Transmitter On/Off  
When the Set Button (44) is pressed, the LCD  
To turn on the transmitter, slide the  
Power Off/Mute/On Switch (41) to the “MUTE”  
(middle) position (transmitter on, audio  
muted). The LCD backlight will light up.  
The unit is now on. After ten seconds the  
backlight will automatically turn off. The  
Group (27), Channel (28), Input Volume level (29)  
and Battery Meter (30) remain on in normal  
operation.  
main menu will cycle in the following order:  
>
>
>
MAIN MENU VOLUME GROUP  
>
(repeats)  
CHANNEL MAIN MENU  
The (Up) or (Down) Buttons (43) work in  
the set mode only. They can be used to  
change any Group/Channel as selected  
(if not using IR Sync from receiver). They  
can also be used to select the desired Input  
audio level VOL setting. Or they can be  
used to turn on the LCD display.  
As many of the five LCD battery levels  
should stay lit as possible, indicating usable  
battery strength. As the batteries weaken,  
fewer of the level indicators stay lit until  
only one bar shows, which will then flash to  
warn that the batteries are now too low and  
During manual programming, the selected  
function will flash for five seconds or press  
the Set button to confirm the selection and  
the display will return to the main menu.  
13  
 
Note: If procedure is not done correctly during the  
three seconds of active data transfer, the receiver  
and the transmitter do not link and transmitter’s  
previous programmed channel remains  
unchanged.  
should be replaced as soon as possible. To  
preserve battery life, turn the transmitter off  
when not in use. To turn the transmitter off,  
slide the Off/Mute/On switch to “MUTE”  
and then “OFF”. The LCD will display  
“OFF”, no LCD or backlight is lit up and the  
unit will be off.  
The IR link is infrared light and thus works best  
when this data transfer is accomplished in a  
light-shielded or darker environment. It may not  
be successful in a brightly lit area. If the transfer  
fails, repeat the procedure in a darker location  
or somehow shield the link from outside light to  
success-fully program the transmitter with the  
pre-programmed group and channel info from  
At Power Off the transmitter will store  
the last settings entered and re-display  
them at the next power on where it can be  
reprogrammed to any new Group/Channel  
or Volume level at the first time of use or  
anytime later. The factory default setting  
for Volume 0dB is same for all transmitters.  
These settings are optimal for most  
applications.  
the receiver.  
Manual Programming (GRP/CH and Volume):  
The transmitter’s frequency is set using the  
Set Button (44) and then the (Up) or (Down)  
Buttons (43). During manual programming,  
the selected function will flash for five  
seconds, or press the Set button to confirm  
the selection and the display will return  
to the main menu. To start, press the Set  
button once. The backlight on the lCD (39)  
will light up and the Group (27) icon will flash.  
Use the Up/Down buttons to change the  
group. When a group selection is finished,  
press the Set button again for the channel  
selection. The Channel Icon (28) will now  
flash. Again, use the Up/Down buttons to  
change the channel as desired. When the  
group/channel selection is done, press the  
Set button again to enter volume level input  
setting and then press Up/Down button to  
change in four steps from 00dB to -30dB  
(for loudest input) or press the Set button a  
second time to exit to the main menu.  
Programming the BT-1KU  
to the Selected Channel  
The transmitter can be programmed to the  
same frequency as selected for the receiver,  
either via automatic synchronization using  
the IR Sync function or manually on the  
transmitter itself.  
IR Sync Programming:  
Use the wireless IR leD Receptor Sensor (45)  
to download pre-programmed channels from  
the receiver. Start programming by holding  
the IR LED Receptor about 6”-12” from  
the receiver’s IR leD Window (1), then press  
the IR Sync Button (2) on the receiver to be  
used. When short pressing the ASC IR Sync  
Button, while the main menu is displayed,  
the IR LED will light up red for about three  
seconds. This indicates IR transmission is in  
progress and IR data is transferring during  
this period. Upon successful data transfer  
(usually in about three seconds) the IR LED  
stops and the transmitter’s backlight will  
light up and the transmitter will transmit  
a radio signal on the same channel as the  
receiver. The Signal Strength and Diversity  
Indicators on the receiver’s LCD display will  
then light up, indicating that the IR link is  
completed.  
To change volume input level only, press the  
Set button three times to select the volume  
input level setting. Use the Up/Down to  
change in four steps from 0dB to -30dB  
(-30dB for loudest input). The level is preset  
at -10dB for LT/HM and 0dB for GT. These  
settings are optimal for most applications.  
14  
 
For normal operation, the transmitter should be on, indicating a received signal from the  
have the same Group/Channel as displayed  
on the receiver. The default factory setting  
is Group 00 (Transmitter 1), 03 (Transmitter  
2), 06 (Transmitter 3) and 09 (Transmitter 4),  
and Channel 00 for all transmitters. After  
programming is finished, close the battery  
compartment door, ensuring that it latches.  
The BT-1KU is now ready for use.  
transmitter. When ready to transmit audio,  
slide the power switch to “ON” to un-mute.  
To mute, slide the power switch to “MUTE”  
again. Adjust the volume of the receiver per  
Connecting Audio Outputs section above.  
Note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
note: If you are using multiple transmitters at  
the same location, set up the first transmitter  
and leave it ON and keep it 3 ft. away from the  
receivers. Then start AUTO-SCAN on the second  
receiver. This avoids duplicate selection of the  
same channel as already selected for the first  
receiver.  
The RF Signal meter and the Diversity A/B  
indicator on the receiver’s LCD display should  
be “On” in normal operation.  
Instrument Use (BT-1KU/GT only)  
Secure the connection of the GT  
(instrument) cable by lining up the slot  
of the 3.5mm mini locking Input Jack (40)  
connector and turning the ring to securely  
lock in. When ready to play, slide the Power  
Off/Mute/On Switch (41) to “ON” position  
to un-mute the audio. Adjust the volume  
lower on the receiver’s line level SUM  
Output (18) for one-to-one unity gain with a  
hardwired cord or select up to an added  
4-5dB boost by leaving the receiver volume  
to maximum for normal use with guitars  
and bass guitars. Note this function is best  
when using two transmitters for switching  
during performance as these is only a single  
mixed output from the two receivers. If an  
individual output per receiver is desired, use  
the XLR Mic Outputs (17), noting that those  
are only fixed Mic level outputs.  
If you are not satisfied with a channel after  
scanning, repeat again anytime for another  
free channel.  
Operating the BT-1KU  
Bodypack Transmitter  
During normal operation with the unit  
powered on, the transmitter power level  
can be changed by sliding the RF Power  
Switch (46) to “H” to increase the  
transmitted RF power (for longer range) or  
to “L” to decrease the RF power (reduced  
range). This is a useful feature as the “L”  
setting increases battery life and also  
optimizes the number of channels that can  
be used simultaneously in a given location.  
Use this setting for normal use not requiring  
maximum operating range. A range walk  
test before use will determine which  
setting is best for your application.  
Note: The audio level should be adjusted on  
the instrument as when using a hard-wired cord.  
For most applications the transmitter’s Input  
Volume Level (29) should be set at 0dB for optimal  
performance. Use attenuation levels (-10dB, -20dB,  
-30dB) only for higher output instruments, such as  
bass guitars with active pickups, and then only if  
needed for cleaner sound.  
The Power Off/Mute/On Switch (41) has three  
positions and functions both as a power  
on/off and as an audio mute on/off switch.  
After the unit is powered on, slide the  
power switch to the “ON” position to un-  
mute the audio. With Power Off/Mute/On  
switch in either in “MUTE” or ON” position  
the receiver’s RF Signal Meter (12) and one  
Diversity a or B (8/13) indicator should now  
15  
 
Specifications  
SYSTeM OVeRall SPeCIFICaTIOnS  
Operating Frequency Range  
Freq. Synthesized  
Pll System Frequency Stability  
Frequency Response  
Dynamic Range  
(U.S.) Band 1: 672.000-696.975MHz, (Int.) Band 2: 795.000-819.975MHz  
(1000 channels switchable) 25kHz/step  
<0.005%  
30Hz-18kHz +/-3dB  
120dB  
Harmonic Distortion  
Modulation  
Operating Range  
<0.5%  
FM (F3E) +/-25kHz normal, +/-75kHz max  
150-250 feet typical, 500+feet max line-of-sight  
2W-1KU ReCeIVeR SPeCIFICaTIOnS  
Receiver System  
Dual conversion Super Heterodyne with True Diversity  
(two complete receiver sections with optimum audio selected)  
60dB, normal +/-75kHz offset  
Selectivity  
Image Rejection  
Sensitivity  
Spurious Rejection  
Mute Threshold  
Controls  
-70dB, minimum  
-107dBm, normal  
65dB, normal  
-65dBm to -95dBm (adjustable)  
UP/DOWN selects, SET, IR Sync, Power ON/OFF buttons,  
MUTE Level control  
lCD Display  
Dual backlight LCD panels indicating selected Group/Channel, Received  
RF levels, A/B diversity, and unbalanced receiver Out Volume levels  
5-segment LED tree indicating received audio levels from transmitter  
Unbalanced output: LINE Level output adjustable  
Balanced output: MIC level output fixed  
Balanced and unbalanced: 600 Ω  
aF/PeaK leD Display  
audio Output level  
Output Impedance  
Power Requirement  
antennas  
16VDC/0.8A  
Dual BNC right angle  
Dimensions  
Weight  
17”W x 7.5”D x 2”H (43.2cm x 19.1cm x 5.1cm)  
4.08 lbs (1.85 Kg)  
Housing Construction  
Metal  
HT-1KU HanDHelD TRanSMITTeR SPeCIFICaTIOnS  
RF Output Power  
HI/LOW selectable  
HI: +14dBm (25mW typical), LOW: +4dBm (2.5mW typical)  
Harmonic and Spurious emission  
audio Input levels  
Impedance  
-50dBc normal  
24mV for +/- 25 KHz deviation  
6.0 kΩ  
Controls  
Power ON/OFF, RF Power HI/LOW switches, Set/Up/Down  
lCD Display  
antenna Type  
Group/Channels/ Input Volume/ Battery Levels  
Integral  
Battery Type  
Battery life  
2 x AA alkaline batteries operation  
8-10 hours typical  
Dimensions  
Weight (w/o batteries)  
Housing Construction  
10”L x 2”D (25.4 cm x 5.1 cm)  
11 oz (0.312 kg)  
Metal  
BT-1KU BODYPaCK TRanSMITTeR SPeCIFICaTIOnS  
RF Output Power  
Hi/Lo selectable  
HI: +14dBm (25mW typical), LOW: +4dBm (2.5mW typical)  
-50dBc normal  
(Lapel/Lavaliere—LT)/ (Headmic™ LT/HM)/ (Instrument—GT)  
5kΩ (Lav Mic), 500 kΩ (Instr.)  
Power OFF/MUTE/ON, RF Power HI/LOW switches, Set/Up/Down  
Mini 3.5mm with locking nut  
Harmonic and Spurious emission  
audio Input levels  
Input Impedance  
Controls  
Input Connector  
lCD Display  
Group/ Channels/ Input Volume/ Battery Levels  
External fixed  
antenna Type  
Battery Type  
Battery life  
2 x AA alkaline batteries operation  
8-10 Hours typical  
Dimensions  
Weight (w/o batteries)  
Housing Construction  
2.5”W x 3.25”H x 1-13/16”D (6.35cm x 8.3cm x 1.82cm)  
3.8 oz (0.108 kg)  
Metal  
Specifications subject to change at any time without prior notice for purposes of product improvement  
16  
 
Cautions and Troubleshooting  
To reprogram, you must first find an open  
Feedback  
channel. To do this, follow the operating  
procedure outlined in Selecting the 2W-1KU  
Receiver Volume Level / Group / Channel.  
With the associated transmitter off, scroll  
through the groups/channels to find one that  
shows no received signal on the receiver’s  
RF Signal Meter (12) (no bars). Also, there  
must be no bars either on each of the  
three immediately adjacent channels both  
above and below the selected channel for  
optimum interference-free operation (i.e. in  
a field of seven adjacent channel total—  
with the channel used in the middle). If  
operating multiple 2W-1KU Series systems  
simultaneously, repeat this procedure  
with every new channel being selected,  
with previously tuned systems all on,  
both transmitters and receivers.  
Avoid acoustic feedback (howling or  
screeching) by taking care in selecting  
PA volume, transmitter location and  
speaker placement.  
Please also note the pickup pattern  
characteristics of the microphone selected.  
Unidirectional mics are more resistant to  
feedback. However, they pick up sound  
sources best that are directly in front of the  
mic. Also mics that are farther from the  
sound source require more acoustic gain  
and thus are also more prone to feed back  
than close-source mics such as handheld.  
no or low audio  
If you are not getting audio through the  
system, carefully re-check all setups.  
Especially note that the receiver and  
transmitter must be set to operate on the  
same RF channel. For BT-1KU bodypack  
transmitter, also confirm that the Power  
Off/Mute/On Switch (41) is not in the Mute  
position. The receiver’s Unbalanced line  
level Out (18) is adjustable so make sure  
the Volume (11) is set properly.  
Please note that wireless frequencies are  
shared with other radio services. According  
to FCC regulations, wireless microphone  
operations are unprotected from  
interference from other licensed operations  
in the band. If any interference is received  
by any Government or non-government  
operation, the wireless microphone must  
cease operation or change frequencies.  
The above statement is valid only for use  
in the U.S.A.  
RF Interference and  
Finding Open Channels  
Note: More bars in the Received Signal (12) icon  
indicate good signal strength in operation with the  
transmitter on, but more than 1 bar showing with  
the transmitter off also indicates the presence of  
likely RF interfering signals at that location. If this  
happens, select a different GRP/CH. One bar or  
less is ideal for interference-free operation.  
If you encounter slight receiving interference  
when the transmitter is far from the receiver  
(from other than an operating TV station  
on the same frequency), often it can be  
overcome by adjusting the receiver‘s Squelch  
Control (16) (see 2W-1KU Receiver: Adjusting  
the Squelch). If receiving interference on a  
selected channel with the transmitter off,  
you must reprogram the receiver  
and transmitter to a different channel.  
See: Selecting the 2W-1KU Receiver Volume  
Level / Group / Channel  
Programming the HT-1KU/BT-1KU  
to the Selected Channel  
17  
 
Miscellaneous Tips  
For optimal operation with external  
antennas, low loss RF shielded cable  
should be used and the length of the  
cable should not exceed 10 ft. (3 m).  
For the best operation, the receiver should  
be placed at least 3 ft. (1 m) above the  
ground and 3 ft. (1 m) away from a wall or  
metal surface. The transmitter should also  
be at least 3 ft. (1 m) from the receiver.  
Keep antennas away from noise sources  
such as motors, automobiles, neon lights,  
signal processors, computers, as well as  
large metal objects.  
The receiver antennas should be kept  
away from any metal surfaces whenever  
possible as they can reflect away or  
shield the incoming RF signal.  
If the receiver’s volume control is set  
too high, it may overdrive the input  
of the attached audio mixer, causing  
distortion. Conversely, if the output is set  
too low, the overall signal-to-noise ratio  
of the system may be reduced, causing  
noticeable hiss. If such noise occurs,  
adjust the output level of the receiver  
so that highest sound pressure level  
going into the microphone transmitter  
causes no input overload in the mixer, but  
permits the mixer level control to operate  
in the normal range (not too high and  
not too low). This provides the optimum  
signal-to-noise for the entire system.  
A receiver cannot receive signals from  
two or more transmitters simultaneously.  
Turn the transmitter off when it is not  
in use. For longest life, remove the  
batteries if the unit is not to be used for  
a long period as the transmitters draw  
a tiny residual current to maintain the  
programmed settings, even when turned  
off. Also, since batteries installed for a  
long time can sometimes corrode and/or  
leak, causing damage, it is generally  
recommended that batteries be removed  
whenever the transmitters are not  
being used.  
Before inserting the batteries, ensure that When using the BT-1KU bodypack for  
they are inserted with the correct polarity.  
instrument use: Scratchy noises can  
sometimes occur when an electric guitar  
with dirty pots or connections is used with  
a wireless system. Therefore, the supplied  
capacitor provides first-order filtering of  
the RF signal from the cord into the guitar  
and eliminates virtually all scratchy noises.  
Should your equipment still produce  
scratchy noise, we suggest these steps  
to eliminate problems:  
Before operation, confirm that the  
receiver and associated transmitter are  
tuned to the same frequency group and  
channel number.  
After making a receiver channel change,  
ensure that the corresponding change is  
also made on the matching transmitter.  
Use only brand new alkaline batteries.  
Do not use “general purpose” carbon  
batteries. When batteries are weak,  
replace all the batteries at the same time.  
Do not mix new and old batteries.  
1) Make sure all guitar volume and tone  
pots are clean and all contacts are solid.  
This is very important.  
2) Solder a 47pF capacitor across the pot  
to ground terminal of the guitar’s volume  
and tone pots to provide extra filtering.  
Position the receiver so that it has the least  
possible obstructions between it and the  
transmitter. Line-of-sight is best!  
During operation, the transmitter and the  
receiver should be as close as possible for  
optimum results but never closer than 3 ft.  
(1 m) as that may overload the receiver’s  
input circuitry and cause noises.  
18  
 
Frequency  
Frequency Plan  
Band 1 (U.S.): 672.000-696.975MHz  
Band 2 (International): 795.000-819.975MHz  
25KHz per step (1000 Channels) U.S.  
Accessories  
Part number  
Description  
IC-U1K  
Instrument cable included for BT-1KU/GT transmitter,  
3.5mm locking mini plug to ¼”  
Service Information  
In the U.S. If you are experiencing operational problems with your system, please refer to  
service, please contact the Nady Service Department at (510) 652-2411 for a Return  
Authorization (R/A) Number and service quote (if out of warranty). Make sure the R/A  
Number is clearly marked on the outside of the package that you are returning.  
If your unit is out of warranty, please enclose a cashier’s check or money order (or pay  
by credit card) per instructions by the Nady Service Department. Ship your unit prepaid  
to: Nady Systems, Service Department, 6701 Shellmound Street, Emeryville, CA 94608.  
Include a brief description of the problem you are experiencing. For service of a unit under  
warranty, please follow the instructions in the following section.  
Outside the U.S For service or warranty matters please contact the Nady distributor in your  
country through the dealer/store from which you purchased this product.  
Do not attempt to service this unit yourself as  
it can be dangerous and will also void the warranty.  
19  
 
One Year Limited Warranty  
Nady Systems, Inc. warrants to the original consumer purchaser that the unit is free from any defects  
in material or workmanship for a period of one year from the date of original retail purchase. If any such  
defect is discovered within the warranty period, Nady Systems, Inc. will repair or replace the unit free of  
charge, subject to verification of the defect or malfunction upon return to Nady Systems. Please do not  
return your Nady product to the store where it was purchased as Nady Systems handles your warranty  
service directly. Communication with our Service Department is the most efficient means of servicing  
your unit and we are dedicated to keeping you a satisfied customer.  
To the extent permitted by law, any applicable implied warranties, including warranties of merchantability  
and fitness are hereby limited to one year from the date of purchase. Consequential or incidental  
damages resulting from a breach of any applicable express or implied warranties are hereby excluded.  
This warranty is in lieu of all other agreements and warranties, general or special, express or implied  
and no representative or person including a Nady dealer, agent, or employee is authorized to assume  
for us any other liability in connection with the sale or use of this Nady Systems’ product.  
Whereas some states do not allow limitations on how long implied warranties last, and do not allow  
exclusion of incidental or consequential damages, the above limitations and exclusions may not apply  
to you. This warranty gives you specific legal rights and you may also have other rights which may vary  
from state to state.  
This warranty is subject to the following conditions:  
1) This system must have been purchased from an authorized Nady dealer and all warranty  
service must be performed by Nady’s service department. Any service not performed by Nady  
will automatically void this warranty.  
2) Items not covered: physical damage resulting from improper handling of the unit in transit from the  
factory by the shipper (Nady Systems is not responsible for such damage and all such claims must be  
made against the shipping company by the consignee); defects caused by normal wear of the product  
(expendable parts are typically connectors, cables, potentiometers, switches and similar components);  
damage or defects caused by abuse, neglect, accident, failure to connect or operate the unit in any way  
that does not comply with applicable technical or safety regulations, or improper repair, excessive heat  
or humidity, alteration or unreasonable use of the unit, causing cracks, broken cases/housings or parts;  
damage caused by leaking batteries; finish or appearance items; items damaged in shipment en route to  
Nady Systems, Inc. for repair. The warranty is null and void if any Nady serial number has been removed  
or defaced.  
How To Obtain Service:  
1) If factory service is required, you must contact our Service Department at (510) 652-2411 for a return  
authorization (RA) number. Make sure the RA number is clearly marked on the outside of your package.  
(Please note: if an RA number is not included, our shipping department cannot accept your package.)  
2) Send the unit back to Nady Systems, 6701 Shellmound Street, Emeryville, CA, 94608 freight  
pre-paid. You must include proof of date and place of purchase (i.e., photocopy of your bill of sale) and  
a brief description of the unit’s problem(s) or Nady cannot be responsible for repair or replacement.  
Nady Systems, Inc. will not repair, nor be held responsible, for any units returned without proper  
identification, return address, and RA number clearly marked on the package.  
3) Per the above, Nady will perform all warranty service and return the unit to you at no charge.  
Nady Systems will inform the buyer if product sent in does not meet the terms of this warranty  
and will provide a quote for fixing the unit and/or shipping it back exclusively at the buyer’s expense.  
|
6701 Shellmound Street Emeryville, CA USA 94608  
|
|
T 510.652.2411 F 510.652.5075 www.nady.com  
12/21/10  
 

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