Nady Systems Microphone UIC80PP User Manual

O W ner’ S M anU al  
W
-
1KU  
1000 Channel UHF Wireless System  
 
System Features  
W-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  
1000 user selectable UHF frequencies  
per band  
True Diversity circuitry with two complete  
front ends for maximizing range and  
most effective elimination of dropouts  
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  
Sophisticated IF filtering for simultaneous  
operation of HT-1KU or BT-1KU systems  
in the same location  
Front panel touch control buttons and  
user-friendly LCD configuration menus  
ASC(Auto-Sync Channel) IR download  
feature 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  
Front panel backlit LCD display indicates  
selected audio output Volume level,  
Group, Channel, RF signal strength meter,  
A/B Diversity antenna status; Separate  
audio LED bar graph display provides  
instantaneous audio level status from  
a distance  
HT-1KU and BT-1KU transmitters feature  
LCD displays indicating selected Group,  
Channel, Volume (Input Audio Level), 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 longest reliable,  
economical battery life  
Back panel Balanced XLR Mic level and  
Unbalanced 1⁄4” Line level audio output  
jacks, squelch control, RF BNC connectors  
for dual removable 1/2 wave antennas,  
and DC power input jack  
Externally powered (adapter included).  
Rugged all-metal housing—optionally  
rack mountable (single or dual)  
3
 
Quick User Controls Guide  
W-1KU receiver: Front View  
GROUP CHANNEL VOL  
1
2
8
9
10  
11  
12  
7
3
GROUP CHANNEL VOL  
3
4
5
6
1. AF/PEAK LED TREE Shows audio level—the RED 9.  
UP BUTTON To change the receiver output  
LED indicates maximum audio level allowable  
VOL level, GRP/CH up by one step at a time  
DOWN BUTTON To change the receiver output  
VOL level, GRP/CH down by one step at a time  
2. LCD DISPLAY For indication of GRP (00-09)/CH  
(00-99), Volume Levels (0-63), A-B Diversity,  
and RF signal strength indicator 1-6 bars  
10. IR Infrared LED transmitter window for linking  
the RX to the TX for frequency download  
3. DIVERSITY A/B INDICATORS Indicates A or B  
receiver active when transmitter is on  
11. SYNC BUTTON Press to make the IR link  
download the receiver’s selected frequency  
to the TX. Positioning the HT-1KU/BT-1KU  
transmitters’ IR window 6”-12” away from the  
RX IR window, press the SYNC button once  
and wait one second for the RX to respond.  
If the IR data download is successful the RX  
will show all six RF LCD bars and one of the  
Diversity antenna icons on the LCD display.  
4. FREQUENCY GROUP Indicates selected  
frequency group from 00-09  
5. FREQUENCY CHANNEL Indicates selected  
frequency channel from 00-99  
6. OUTPUT VOLUME CONTROL Indicates selected  
output volume level range from 00-63  
7. RF SIGNAL METER Indicates received signal  
strength level from 1-6 bars  
12. POWER BUTTON Press for one second to turn  
8. SET To scroll LCD menu and set the selected  
receiver ON-OFF  
program/function  
4
 
W-1KU receiver: Back View  
13  
15  
16  
17  
18  
19  
14  
13. DC INPUT JACK For connecting external  
17. UNBALANCED AUDIO OUT Line level  
audio output—adjustable  
AC/DC adapter for powering receiver  
14. DC POWER SUPPLY UNIT DC15VDC/400mA  
15. BALANCED MIC OUT Audio output—  
fixed mic level  
18. RF CONNECTORS A/B Antenna jacks  
for RF True Diversity reception  
19. ANTENNA 1/2 wave antennas for  
A/B connectors  
16. MUTE (SQUELCH) CONTROL Controls the mute  
level for the receiver—turn CCW for maximum  
range; turn CW, if needed, to minimize noises  
from outside RF interference upon muting  
Mounting rackears for receiver  
20. SINGLE UNIT RACK MOUNT KIT  
(Optional) RMK-1KUS  
21. DUAL UNIT RACK MOUNT KIT  
(Optional) RMT-1KUD  
21  
20  
5
 
Quick User Controls Guide  
HT-1KU Handheld Transmitter  
22  
23  
24  
25 26  
27  
28 29  
37  
39  
40  
38  
31  
30  
32  
22. BATTERY COVER Unscrew to insert two  
26. SET To scroll LCD menu and set the  
AA alkaline batteries  
selected program/function  
23. MIC BALL Windscreen  
27. POWER HI/LOW RF power level setting for  
high or low RF output power  
24. LCD DISPLAY For indication of GRP (00-09)/CH  
(00-99), INPUT AUDIO LEVEL, and BATTERY  
status (1 bar=empty). See 37/38/39 in diagram  
above for display indicators detail.  
28. ON/OFF SWITCH Slide power switch up-down  
to turn ON-OFF  
29. INTERNAL ANTENNA Built-In antenna  
25.  
UP BUTTON To change the VOL level or  
GRP/CH settings up by one step at a time  
DOWN BUTTON To change the VOL level  
or GRP/CH down by one step at a time  
30. IR RECEPTOR SENSOR/WINDOW Infrared LED  
sensor for linking the TX to the RX during  
IR frequency download.  
31. BATTERY COMPARTMENT  
32. 2 x AA ALKALINE BATTERIES  
6
 
Quick User Controls Guide  
BT-1KU Bodypack Transmitter (lT, lT/HM or GT)  
33  
34  
35  
37  
38  
40  
39  
36  
43  
44  
41  
42  
45  
46  
47  
48  
33. INPUT JACK 3.5mm locking mini jack for  
41. IR RECEPTOR SENSOR Infrared LED sensor for  
linking the TX to the RX during IR frequency  
download  
connecting audio input cord from lapel mic  
(LT), Headmic(LT/HM), or instrument (GT)  
34. OFF/MUTE/ON Slide power switch to ON or OFF 42. RF POWER HI/LOW SWITCH To select power  
to turn ON-OFF, set to MUTE to turn power on  
with audio muted  
level setting for high or low RF output power  
43.  
UP BUTTON To change the VOL level or  
GRP/CH settings up by one step at a time  
DOWN BUTTON To change the VOL level  
or GRP/CH down by one step at a time  
35. ANTENNA Permanently attached antenna  
36. LCD DISPLAY For indication of GRP (00-09)/CH  
(00-99), INPUT AUDIO LEVEL, and BATTERY  
status (1 bar=empty). See 37/38/39 in diagram  
above for display indicators detail.  
44. SET BUTTON To scroll LCD menu and set the  
selected program/function  
37. FREQUENCY GROUP Indicates selected  
45. BATTERY COMPARTMENT  
frequency group from 00-09  
46. LATCHING BATTERY COMPARTMENT DOOR  
47. 2 x AA ALKALINE BATTERIES  
38. FREQUENCY CHANNEL Indicates selected  
frequency channel from 00-99  
48. BELT CLIP (on back of unit)—removable clip can  
be set for top of transmitter pointing either up  
or down  
39. INPUT VOLUME METER Indicates input audio  
level ranging from 00dB to -30dB  
40. BATTERY METER Indicates battery status  
(5 bars=full, 1 bar=empty). Change battery  
when flashing.  
7
 
System Operation  
Press the (Up) or (Down) Buttons once  
or the Set button once prior to pressing  
or for single stepping through the  
W-1KU receiver  
Volume levels (6). Or hold continuously for  
faster level selection. Select one of 63 levels  
from the Volume menu and advance to Exit  
Set Up Mode by pressing the Set Button (8).  
Choose the W-1KU operating frequency  
by selecting one of ten Groups (4) and one  
of 100 Channels (5) that are determined to  
be desirable open channels. Press the Set  
button twice to skip the volume setting and  
enter the Group setup mode, then press  
the or buttons 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 advance to Channel Setup Mode by  
pressing the Set button. Or, press the Set  
button twice to exit without changing the  
channel. Press the or buttons three  
times or press the Set button again after  
group setting to enter the Channel setup  
mode. Press the or buttons once for  
single stepping through the channels,  
or hold continuously for faster channel  
selection. Select one of 100 channels  
available from the channel menu or press  
the Set button again to exit.  
Buttons Function  
The Power Button (12) is used to turn the  
receiver on or off. When the button is  
pressed, the lit blue backlight on the  
lCD Display (2) indicates the receiver is on.  
Press the Power button again to turn off  
the receiver. The backlight on the LCD  
will turn off indicating the receiver is off.  
At power-off the W-1KU receiver 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 08,  
Channel 00, and Volume 63.  
When the Set Button (8) is repeatedly  
pressed the LCD main menu will cycle  
in this order:  
>
>
>
MAIN MENU VOLUME GROUP  
>
CHANNEL repeat  
The selected function will flash for 20  
seconds before returning to the main menu.  
The (Up) or (Down) Buttons (9) are  
active while in the Set mode, or can be used  
to change Volume level (6) at anytime.  
rack-mounting the receiver  
The Ir Sync Button (11) is used to transfer  
the frequency-selected info from the  
receiver to the transmitter being used for  
easy synchronization prior to use. Press  
the IR Sync Button while the main menu  
is displayed, and the Ir leD (10) will flash  
quickly. This LED indicates IR transmission  
is in progress. Press the SET Button  
again to stop the flashing or it will halt in  
20 seconds automatically.  
There are two options available for rack  
mounting the W-1KU: single or side-by-side  
with another W-1KU receiver.  
Single Unit rack Mount Kit (20): Attach the  
optional RMK-1KUS Rack Kit ears to each  
side and tighten with supplied screws.  
Dual Unit rack Mount Kit (21): Attach the  
optional RMT-1KUD Dual Receiver Rack Tray  
to bottom of both receivers and tighten with  
supplied screws.  
Selecting the W-1KU receiver  
Volume level / Group / Channel  
See RF Interference and Finding Open  
Channels. This section will also aid in finding  
desired channel(s) of operation when setting  
up your system(s).  
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  
W-1KU. Always ensure adequate airflow and  
heat dissipation in any rack configuration.  
8
 
receiver signal and the diversity indicators  
are flickering or stay on continuously, the  
squelch should be adjusted to a higher  
level (clockwise for less mute sensitivity  
level) to stop the flickering. Be careful  
not to select too high a clockwise 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  
clockwise (maximum squelch) setting will  
also yield a quieter mute function, which  
might be desired in certain applications.  
The squelch level is factory preset at  
maximum sensitivity and operating range  
(i.e. counterclockwise for minimum squelch  
level—maximum usable range).  
Installing antennas  
Install antennas by connecting the two  
antennas (19) included with your system to  
the two rF Connectors (18) located on the  
back of your W-1KU receiver. The optimal  
positions of the antennas are 45 degrees  
from the receiver and 90 degrees 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.  
Powering the receiver  
To power the receiver, plug the provided  
aC/DC Power Supply (14) adapter into the  
DC Input Jack (13) on the back of the receiver,  
then plug the adapter into an AC outlet.  
audio level and Peak leD Indicator  
Note: Any 15-18VDC source with minimum  
400mA capacity can also be used.  
The W-1KU receiver has a 5-segment  
aF level leD Display (1) that lights 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.  
Connect either the 1⁄4” Unbalanced line  
Out (17) or Xlr Balanced Mic Out (15) to  
your mixing board, effect, or amplifier  
(see Connecting the Audio Equipment).  
To turn on, press the Power Button (12)  
for two seconds. The lCD Display (2) will  
light (showing Group, Channel, RF Level  
Meter, Diversity, and Output Volume). The  
5-segment aF leD Tree (1) will display the  
received audio level when the transmitter is  
activated and audio transmitted. To turn off,  
press the Power button for three seconds  
and release. The receiver will turn off.  
Connecting the audio Output  
The W-1KU audio output is set up for either  
balanced mic (fixed level) or unbalanced line  
(adjustable level). The Unbalanced Line Out  
is controlled by the or volume control  
buttons. The receiver Volume Display (6) will  
indicate the level selected. For balanced  
output, plug an audio cable with an XLR  
connector into the Xlr Balanced Mic Out (15)  
socket and plug the other end into your  
mixing board or amplifier. For unbalanced  
output, plug an audio cable with a 1⁄4”  
mono (Tip/Sleeve) plug into the Unbalanced  
line Out (17) jack and plug the other end into  
your mixing board or amplifier. When using  
the BT-1KU instrument transmitter system,  
connect the Unbalanced Line Out directly  
to your instrument amp or preamp.  
adjusting the Squelch  
The rF Squelch (16) simultaneously controls  
both of the A and B True Diversity receiver  
mute sections. The control should be  
adjusted counterclockwise to the minimum  
RF squelch setting at which the rF level  
Meter (7) and the Diversity Indicator (3) 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  
squelch control may need to be adjusted  
clockwise. If the transmitter is off and the  
9
 
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.  
Powering the Transmitter On/Off  
To turn on the transmitter, slide the power  
On/Off Switch (28) 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/Channel/Battery (24) indicator  
icons stay on for normal operation.  
Note: 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.  
Your W-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  
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.  
transmitter included with your system.  
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.  
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. No LCD or backlight is lit up and  
the unit will be off.  
HT-1KU Handheld  
Microphone Transmitter  
Programming the HT-1KU  
to the Selected Channel  
Setting up the Transmitter  
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.  
The HT-1KU requires two AA size batteries  
to operate. To install the batteries onto  
the battery compartment, unscrew the  
Battery Compartment Cover (22) by turning  
counterclockwise until loose and slide down  
the cover, exposing the Battery Compartment  
(31). 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 optimum  
performance it is recommended that the  
batteries be replaced after 6-8 hours of  
use or as indicated to be necessary by the  
flashing Battery (40) icon.  
Ir Sync Programming:  
Use the wireless Ir leD receptor Sensor (30)  
to download pre-programmed channels  
from the receiver (see Selecting the W-1KU  
Receiver Volume Level/Group/Channel and  
Selecting the HT-1KU Transmitter Group and  
Channel). Start programming by holding the  
IR LED Receptor Sensor about 6”-12” from  
the receiver, then press the Ir Sync Button  
(11) on the receiver. The red Ir leD (10) on  
the receiver will flash once after one second  
indicating IR data transfer, and then once  
more at three seconds, indicating that the  
IR transmission is over. Upon successful  
data transfer (usually in less than two  
seconds) the transmitter’s backlight will  
light up and the transmitter will transmit  
10  
 
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 no action is taken during the  
three seconds of active data transfer, the  
receiver and the transmitter units do not link  
and transmitter’s previous program channel  
remains unchanged.  
HT-1KU Transmitter Switches  
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.  
The default factory setting is Group 08,  
Channel 00.  
The rF Power level Switch (27) is used  
to select Hi/Low power transmission  
(see Operating the HT-1KU Handheld  
Transmitter).  
Note: 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  
the receiver.  
Each time the Set Button (19) is pressed,  
the LCD main menu will cycle in this order:  
>
>
>
MAIN MENU GROUP CHANNEL  
>
VOLUME repeat  
Manual Programming (GrP/CH and Volume):  
The selected function will flash for 20  
seconds before returning to the main menu.  
The transmitter’s frequency is set using the  
Set Button (26) and then the (UP) or (DOWn)  
Buttons (25). To start, press the Set button  
once. The backlight on the lCD (36) will light  
up and the Group Icon (24) will flash. Use the  
or buttons to change the group. When a  
group selection is finished, press the Set  
button again for the channel selection. The  
Channel Icon (24) will now flash. Again, use  
the or buttons to change the channel as  
desired. When the Group/Channel selection  
is done, press the Set button to enter the  
volume level input setting and then press  
or to change in four steps from 0dB to  
-30dB (for loudest input) or press the Set  
button a second time to exit to the main  
menu. To change the volume input level  
only, press the Set button three times to  
select the volume input level setting. Use  
or to change in four steps from 0dB to  
-30dB (for loudest input). The level is preset  
at -10dB for the HT-1KU, which is best for  
most applications.  
The or Buttons (25) 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.  
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 (27) 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.  
For normal operation, the transmitter should  
have the same Group/Channel as displayed on  
the receiver. After programming is finished,  
slide the battery cover back then turn the  
Mic Ball (23) counterclockwise to secure the  
housing. The HT-1KU is now ready for use.  
Slide the On/Off switch to the on position  
and the microphone is now ready to use.  
The receiver’s rF Signal Meter (7) and  
Diversity a or B (3) indicators should now  
11  
 
be on, indicating a received signal from  
the transmitter. Adjust the volume of the  
receiver per Connecting Audio Output.  
Powering the Transmitter On/Off  
To turn on the transmitter, slide the  
Power Off/Mute/On Switch (34) 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 Icon (37) and Battery Meter (40)  
remain on in normal operation.  
Note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
Note: The RF Signal meter and the Diversity A/B  
indicator on the receiver’s LCD display should be  
“On” in normal operation.  
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 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. No LCD or backlight is lit up  
and the unit will be off.  
BT-1KU Bodypack Transmitter  
(lT, lT/HM or GT)  
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 (46) by grabbing  
the two spring-loaded locking tabs and pull  
out, exposing the Battery Compartment (45).  
Insert two fresh AA batteries 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 (40).  
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 (41)  
to download pre-programmed channels  
from the receiver (see Selecting the W-1KU  
Receiver Volume Level/Group/Channel and  
Selecting the BT-1KU Transmitter Group and  
Channel). Start programming by holding the  
IR LED Receptor Sensor about 6”-12” from  
the receiver, then press the Ir Sync Button (11)  
on the receiver. The red Ir leD (10) on the  
receiver will flash once after one second  
indicating IR data transfer, and then once  
Connecting Input audio Source  
Use audio Input (33) 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.  
12  
 
more at three seconds, indicating that the  
IR transmission is over. Upon successful  
data transfer (usually in less than two  
seconds) 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 no action is taken during the  
three seconds of active data transfer, the  
receiver and the transmitter units do not link  
and transmitter’s previous program channel  
remains unchanged.  
input level only, press the Set button three  
times to select the volume input level  
setting. Use the or to change in four  
steps from 0dB to -30dB (for loudest input).  
The level is preset at 0dB for GT and -10dB  
for LT/HM. These settings are optimal for  
most applications.  
For normal operation, the transmitter should  
have the same Group/Channel as displayed on  
the receiver. After programming is finished,  
close the battery compartment door,  
ensuring that it latches. The BT-1KU is  
now ready for use.  
Note: 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 the receiver.  
BT-1KU Transmitter Switches  
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.  
The default factory setting is Group 08,  
Channel 00.  
Manual Programming (GrP/CH and Volume):  
The rF Power level Switch (42) is used  
to select Hi/Low power transmission  
(see Operating the BT-1KU Handheld  
Transmitter).  
The transmitter’s frequency is set using  
the Set Button (44) and then the (UP) or  
(DOWn) Buttons (43). To start, press the  
Set button once. The backlight on the lCD  
(36) will light up and the Group Icon (37) will  
flash. Use the or buttons to change  
the group. When a group selection is  
finished, press the Set button again for the  
channel selection. The Channel Icon (38) will  
now flash. Again, use the or buttons  
to change the channel as desired. When  
the group/channel selection is done, press  
the Set button to enter volume level input  
setting and then press or to change in  
four steps from 0dB to -30dB (for loudest  
When the Set Button (44) is pressed, the  
LCD main menu will cycle in this order:  
>
>
>
MAIN MENU GROUP CHANNEL  
>
VOLUME repeat  
The selected function will flash for 20  
seconds before returning to the 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  
input) or press the Set button a second time also be used to select the desired Input  
to exit to the main menu. To change volume audio level VOL setting.  
13  
 
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 (42) to “H” to increase the  
Instrument Use (BT-1KU/GT only)  
Secure the connection of the GT (instrument)  
cable by lining up the slot of the 3.5mm  
mini connector and turning the ring to  
securely lock in. When ready to play, slide  
the Power Off/Mute/On switch (26) to ON  
position to un-mute the audio. Adjust the  
volume on the receiver for one-to-one unity  
gain (possible with Input Level set to 0dB  
only) with a hardwired cord or select up  
to an added 4-5dB boost by adjusting the  
receiver volume to maximum for normal  
use with guitars and bass guitars.  
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.  
The Power Off/Mute/On Switch (34) 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. To mute/un-mute  
the audio during use, set the power switch  
accordingly. The transmitter is now ready  
to use. Slide the On/Off switch to the on  
position and the microphone is now ready  
to use. The receiver’s rF Signal Meter (7)  
and Diversity a/B (3) indicators should now  
be on, indicating a received signal from the  
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 Output.  
Note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
Note: The RF Signal meter and the Diversity A/B  
indicator on the receiver’s LCD display should be  
“On” in normal operation.  
14  
 
Specifications  
SYSTeM OVerall SPeCIFICaTIOnS  
Operating Frequency range  
Freq. Synthesized  
672MHz-697MHz (US)  
(1000 channels switchable) 25kHz/step  
<0.005%  
Pll system frequency stability  
Frequency response  
Dynamic range  
Harmonic Distortion  
Modulation  
30Hz-18kHz +/-3dB  
120dB  
<0.5%  
FM (F3E) +/-25kHz normal, +/-75kHz max  
150-250 feet typical, 500+feet max line-of-sight  
Operating range  
W-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  
Single backlight LCD panel 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: 360mV adjustable audio output @ +/- 25 KHz deviation  
Balanced output: 24mV fixed level audio output @ +/- 25 KHz deviation  
Balanced and unbalanced: 600 Ω  
15VDC/0.4A  
Dual BNC right angle  
8.25”W x 6.25”D x 1.75”H (21.6cm x 15.9cm x 4.5cm)  
2 lbs (0.907 Kg)  
Metal  
lCD Display  
leD Display  
audio Output level  
Output Impedance  
Power requirement  
antennas  
Dimensions  
Weight  
Housing Construction  
HT-1KU HanDHelD TranSMITTer SPeCIFICaTIOnS  
rF Output Power  
HI/LOW selectable  
HI: +14dBm (25mW typical), LOW: +4dBm (2.5mW typical)  
Harmonic and Spurious emission -50dBc normal  
audio Input levels  
Impedance  
Controls  
lCD Display  
antenna Type  
Battery Type  
Battery life  
Dimensions  
Weight (w/o batteries)  
Housing Construction  
24mV for +/- 25 KHz deviation  
6.0 kΩ  
Power ON/OFF, RF Power HI/LOW switches, Set/Up/Down  
Group/Channels/Volume/Battery Levels  
Integral  
2 x AA alkaline batteries operation  
8-10 hours typical  
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)  
Harmonic and Spurious emission -50dBc normal  
audio Input levels  
75mV (Lapel/Lavaliere—LT ) / 310mV (HeadmicLT/HM) /  
225mV (Instrument—GT) for +/- 25KHz deviation)  
500 kΩ (Instr.)  
Power OFF/MUTE/ON, RF Power HI/LOW switches, Set/Up/Down  
Mini 3.5mm with locking nut  
Group/Channels/Volume/Battery Levels  
External fixed  
2 x AA alkaline batteries operation  
8-10 Hours typical  
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  
Input Impedance  
Controls  
Input Connector  
lCD Display  
antenna Type  
Battery Type  
Battery life  
Dimensions  
Weight (w/o batteries)  
Housing Construction  
Specifications subject to change at any time without prior notice for purposes of product improvement  
15  
 
Cautions and Troubleshooting  
Programming the HT-1KU/BT-1KU  
to the Selected Channel  
Feedback  
Avoid acoustic feedback (howling or  
screeching) by taking care in selecting  
PA volume, transmitter location and  
speaker placement.  
Programming the HT-1KU/BT-1KU with the  
Group/Channel Selected on the Receiver  
To reprogram, you must first find an open  
channel. To do this, follow the operating  
procedure outlined in Selecting the W-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 (7) (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 W-1KU Series systems  
simultaneously, repeat this procedure  
with every new channel being selected,  
with previously tuned systems all on,  
both transmitters and receivers.  
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 (34) is not in the Mute  
position. The receiver’s Unbalanced line  
level Out (17) is adjustable so make sure  
the Volume (6) 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  
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 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.  
Note: More bars in the Received Signal (39) 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.  
See: Selecting the W-1KU Receiver Volume  
Level / Group / Channel  
Selecting the HT-1KU/BT-1KU Transmitter  
Group and Channel  
16  
 
Miscellaneous Tips  
For optimum operation with external  
antennas, low loss RF shielded cable  
should be used and the length of the  
cable should not exceed 10’ (3 m).  
For the best operation, the receiver  
should be placed at least 3’ (1 m) above  
the ground and 3’ (1 m) away from a wall  
or metal surface. The transmitter should  
also be at least 3’ (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’  
(1 m) as that may overload the receiver’s  
input circuitry and cause noises.  
17  
 
Frequency  
Frequency Plan  
Band 1: 672.000-696.975MHz  
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 1⁄4”  
AC-W1KU  
RMK-1KUS  
RMT-1KUD  
15-18VDC/400mA AC/DC receiver power supply adapter included  
Single receiver rack mount kit (optional)  
Dual (side-by-side) receiver rack mount tray kit (optional)  
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 and 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.  
18  
 
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) 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.  
19  
 
|
6701 Shellmound Street Emeryville, CA USA 94608  
|
|
T 510.652.2411 F 510.652.5075 www.nady.com  
 

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