Nady Systems Microphone UWS100 User Manual

O W ner ’ S M anU al  
UWS  
-
100  
100-Channel Select UHF Wireless System  
 
Contents  
System Features  
Introduction ............................................................................................................................. 2  
Using this Manual.................................................................................................................... 2  
System Features ..................................................................................................................... 3  
Quick User Controls Guide...................................................................................................... 4  
System Operation  
UHT-100 Handheld Mic Transmitter  
UWS-100 System  
Off/On/Mute power switch allows  
convenient audio muting with the  
transmitter on  
Unsurpassed state-of-the-art PLL UHF  
performance with 120dB dynamic range  
and operation, up to 500 ft. (line-of-sight)  
RF power HI/LO and TX power lock  
On/Off switches  
DigiTRU Diversity™ for maximum range  
and dropout protection  
LCD display indicates Power/Battery Level  
status and Channel selected  
100 UHF frequencies per band. Clear  
channels user selectable manually or with  
Autoscan for quick, convenient set up,  
with selected channel stored in memory  
for subsequent use.  
UWS-100 Receiver.............................................................................................................. 8  
UHT-100 Handheld Microphone Transmitter......................................................................10  
UBT-100 Bodypack Microphone/Instrument Transmitter...................................................11  
Cautions and Troubleshooting................................................................................................14  
Miscellaneous Tips.................................................................................................................15  
Specifications .........................................................................................................................16  
Frequency Plan.......................................................................................................................17  
Optional Accessories..............................................................................................................17  
Service Information ................................................................................................................17  
Warranty.................................................................................................................................18  
Convenient, economical operation with  
two AA alkaline or NiMH batteries  
Features the Nady DM-10D unidirectional  
neodymium dynamic cartridge for optimal  
true sound, maximum feedback rejection  
and minimal handling noise  
ASC™ (Auto-Sync Channels) download  
feature sends selected Channel  
information to transmitter via IR sender for  
easy frequency synchronization  
Sleek housing with internal antenna for  
durable long life and optimum aesthetics  
Sophisticated IF filtering for optimal  
simultaneous operation of multiple  
systems in the same location  
Rubber-feel finish for sure grip  
Front panel touch control buttons for ease  
of channel selection and ASC™ operation  
UBT-100 Bodypack Transmitter  
Off/On/Mute power switch allows  
convenient audio muting with the  
transmitter on  
Dual front panel permanently attached  
swivel antennas  
Full front panel LED indicators including  
A/B diversity, Channel selected, ASC™  
transfer status, and bi-color (green/red)  
AF level  
LCD display indicates Power/Battery Level  
status and Group/Channel selected  
Introduction  
Convenient, economical operation with  
two AA alkaline or NiMH batteries  
Thank you for choosing the Nady UWS-100 wireless system, and congratulations on  
your choice. The UWS-100 has the best performance and price value in professional  
UHF wireless, offering clear-channel, frequency-agile operation on the UHF band for  
interference-free performance in any application or locale. The UWS-100 delivers 100  
user-selectable channels, frequency synthesized in 00-99 channels in the US frequency  
band 667MHz-697MHz. The built-in Autoscan feature offers a quick and convenient way  
to select an open channel for single system use or to set up many wireless systems at the  
same location for simultaneous multichannel operation. The UWS-100 features proprietary  
companding and low-noise circuitry for an industry-best 120dB dynamic range, and the  
clearest, most natural sound available in wireless today  
Back panel On/Off switch, balanced XLR  
fixed Mic Level and adjustable unbalanced  
¼” jack audio Line Level outputs; squelch  
(RF mute) adjust; DC input jack; volume  
control for ease of operation  
Easily accessible input level adjustment  
(HM/LT)  
Compact housing, durable removable  
antenna and unique locking 3.5mm mini  
plug connector for mic or instrument cable  
Externally powered with included DC  
adapter (15 VDC 400 mA)  
Rugged all-metal receiver for long-term  
durability  
Choice of transmitters: UHT-100 handheld  
mic or UBT-100 bodypack—lavalier (LT),  
Headmic™ (HM), or instrument (GT)  
Using This Manual  
Optional RMT-1KUD available for  
rackmounting single or dual UWS-100  
receivers  
This booklet provides instructions for the operation of the UWS-100 and includes a  
description of features, a quick user controls guide, a step-by-step guide to operations for  
each unit, system specifications, a troubleshooting guide, miscellaneous tips, and servicing  
information.  
2
3
 
1. DUAL ANTENNAS Permanently mounted.  
Rotate to 45° as shown for optimal reception  
2. SELECT BUTTON Press once quickly to start  
the Auto Scan function to search for an  
interference-free channel. Press and hold  
for ~2 seconds to manually select one of  
100 channels  
8. DC INPUT JACK For connecting external AC/DC  
adapter to power receiver (DC15VDC/400mA)  
9. POWER ROCKER SWITCH Press right side to turn  
On or press left side to turn Off receiver. The  
Channel Display (3) is lit when the unit is on  
10. BALANCED MIC OUT XLR JACK Audio output at  
fixed MIC level  
Quick User Controls Guide  
UWS-100 receiver: Front View  
3. CHANNEL DISPLAY LED indicator displays the  
selected channel from 00-99 in numerical  
format  
11. UNBALANCED LINE OUT ¼” JACK Line level  
audio output, adjustable with Volume control  
12. VOLUME CONTROL Selects desired output  
volume level for the Unbalanced Line Out  
13. MUTE LEVEL (RF SQUELCH) Controls the mute  
level for the receiver. Turn clockwise for  
maximum range or turn counterclockwise,  
if needed, to minimize noises from outside  
RF interference upon muting  
1
4. AF LED INDICATOR Bi-color LED (green/orange)  
displays received audio level (orange indicates  
maximum allowable audio level)  
5. RF A/B LED INDICATORS Indicate diversity A or B  
antenna reception when transmitter is on  
6. IR WINDOW Transmits LED Infrared signal  
for linking the receiver to the transmitter for  
frequency downloads, with blinking IR LED  
status indicator  
14. DC POWER SUPPLY ADAPTER DC15VDC/400mA  
UWS-100  
UHF PLL WIRELESS SYSTEM  
igiTRU Diversity™  
A
7. ASCSYNC BUTTON Starts the IR link  
download of the receiver’s selected channel  
to the transmitter. Position the transmitter IR  
receptor window 6-12” away from the receiver  
IR window, press the ASC button once and  
wait one second for the receiver to respond.  
The red LED inside the IR window will flash  
twice within two seconds. If the IR data  
download is successful, the transmitter LCD  
display’s backlight will light and the receiver’s  
RF A/B LED will also light, indicating reception  
of the receiver signal from the transmitter  
ASCSYSTEM  
AF  
RF  
A
B
B
SELECT CHA NNEL  
IR  
ASC  
2
3
4
5
6
7
UWS-100 receiver: Back View  
POWER  
15VDC IN  
400mA  
LINE OUT  
UNBALANCED  
VOLUME MUTE LEVEL  
+
MIN MAX  
MIC OUT  
BALA NCED  
8
9
10  
11  
12 13  
14  
4
5
 
Quick User Controls Guide  
Quick User Controls Guide  
UHT-100 Handheld Transmitter: Front and Back  
UB-100 Bodypack Transmitter  
40  
41  
42  
24  
15  
16 17 18  
25  
26  
16A  
16B  
16C  
19  
T
L O B A  
O F  
N O  
F
Y
S T D B  
20  
21  
27A  
27B  
27  
29  
UBT-100  
28  
IR  
22  
ASCSYSTEM  
23  
30  
31  
15. MIC BALL Windscreen  
19. BATTERY COMPARTMENT Holds two AA alkaline  
or NiMH batteriesobserve correct polarity  
20. TRANSMITTER LOCK SWITCH Slide the switch  
to ON to lock the TX, or OFF to unlock the  
TX. (IR channel programming still functions  
normally)  
24. ANTENNA Removable antenna—should be  
attached during operation  
29. IR RECEPTOR SENSOR Infrared LED sensor for  
linking the transmitter to the receiver during  
IR frequency download  
16A. LCD DISPLAY: CHANNEL Indicates channel  
(00-99)  
25. OFF/STDBY/ON SWITCH Slide power switch to  
ON or OFF to turn on/off. Set to STDBY to  
turn power on with audio muted  
30. LATCHING BATTERY COMPARTMENT DOOR  
Slide open to insert batteries  
16B. LCD DISPLAY: BATTERY Indicates battery status  
from one (weakest) to five (strongest) bars.  
Flashing “BATT” indicates low battery  
16C. LCD DISPLAY: TX LOCK KEY Indicates Power  
On/Off switch is locked (see #20)  
26. INPUT JACK Locking 3.5mm mini-jack for  
connecting audio input cord from lapel mic (LT),  
Headmic(LT/HM), or instrument (GT) cable  
27A. LCD DISPLAY: CHANNEL Indicates channel  
(00-99)  
31. BATTERY COMPARTMENT Holds two AA alkaline  
or NiMH batteries  
21. RF POWER HI/LO Slide the switch to HI for  
more RF output, or LOW for less RF output—  
consumes less battery power in this setting  
and also better for simultaneous multichannel  
operation applications  
37. INPUT VOLUME LEVEL (On back of unit) Adjusts  
input (LT/HM) audio level for optimal sound  
40. INSTRUMENT CORD GT cable—connects  
Instrument’s audio output to TX input jack  
41. HEADMICHeadworn microphoneconnects  
to transmitter input jack  
17. IR RECEPTOR SENSOR/WINDOW Infrared LED  
sensor for linking the transmitter microphone  
to the receiver during IR frequency downloads  
18. OFF/STBY/ON Slide power switch to ON or OFF  
to turn mic on/off, or to STBY to turn on power  
with audio muted  
27B. LCD DISPLAY: BATTERY Indicates battery status  
from one (weakest) to five (strongest) bars  
and flashing “BATT” for low battery  
28. BELT CLIP On back of unit  
22. INTERNAL ANTENNA For best operating range,  
do not handle this antenna during use  
23. BATTERY COVER Slide open battery slot to  
insert batteries  
42. LAVALIER MIC Lavalier (lapel) microphone—  
connects to transmitter input jack  
6
7
 
System Operation  
UWS-100 receiver  
Press the Select button for one second  
to start the 100 channel (00-99) Autoscan  
for open frequencies. A running bar in a  
clockwise direction shows the scanning  
process which normally takes ten seconds.  
When it finds an interference-free channel,  
it will stop and store the channel for use.  
Instructions for Setup of Simultaneous  
Multichannel Operation  
The UWS-100 receiver is capable of  
finding an open channel with its Autoscan  
capability. This built-in feature is a  
quick, convenient way to set up many  
wireless systems at the same location for  
simultaneous multichannel operation.  
adjusting the Squelch  
The MUTe leVel/rF SQUelCH (13) controls  
the mute circuits in the receiver. The  
powering the receiver  
control should be adjusted clockwise to  
the minimum RF squelch setting at which  
the rF a/B leD (5) 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 counterclockwise. If  
the transmitter is off and the receiver signal  
diversity A or B LED indicator flickers or  
stays on continuously, the squelch should  
be adjusted counterclockwise to a higher  
level to stop the flickering. Be careful  
not to select too high a counterclockwise  
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 squelch)  
setting will also yield a quieter mute  
To power the receiver, plug the provided  
DC pOWer SUpply UnIT (14) adapter into the  
DC InpUT JaCK (8) on the back of the receiver,  
then plug the adapter into a 120VAC outlet.  
If manual channel selection is preferred,  
press and hold the Select button for at  
least two seconds to start programming to  
a desired channel. The right digit will flash  
for five seconds. Select the desired digit  
by briefly pressing the Select button to  
scroll though choices 0-9 until the desired  
number is displayed. Then, to switch  
between the right and left digits, press and  
hold the Select button for two seconds.  
As with the right digit, briefly pressing the  
Select button again will advance the left  
digit displayed to the next higher number  
0 to 9. This completes the manual channel  
programming.  
Note: Any 15-18VDC source with minimum  
400mA capacity can also be used.  
If you are using multiple transmitters at the  
same location, set up the first transmitter  
and leave it ON and keep 10 feet away  
from the receivers and 1 foot away from  
transmitter to transmitter. This avoids  
possible duplicate selection of the same  
channel as already selected for the first  
receiver. Then start the Autoscan function  
on the second UWS-100 receiver. Repeat  
this procedure for all receivers/transmitters  
to be used in your system. Finally with all  
the transmitters ON, perform a range walk  
test in the location these systems will be  
used in to check for potential crosstalk  
interference in this application.  
The pOWer rOCKer SWITCH (9) is used  
to turn the receiver on or off. To turn on,  
press down the right side of the switch  
(“I”). The leD DISplay (3) will light, showing  
Channel 00-99. The aF leD (4) and rF a/B  
leDs (5) remain dark. They will display the  
received RF A/B and audio level when  
the transmitter is activated and audio  
transmitted. To turn off, press down the  
left side of the switch (“O”). The receiver  
will turn off. All the LEDs will be turned off,  
indicating the receiver is off. At power off  
the UWS-100 receiver will store the last  
selected channel and re-display them at  
power on. It can be reprogrammed to any  
new channel. The default factory setting is  
Channel 14.  
Note: If the Select button is not pressed within the  
five seconds flashing period during either the right  
or left digit selection, the program is terminated  
and the process needs to be repeated.  
function, which might be desired in certain  
applications. The squelch level is factory  
preset at maximum sensitivity and operating  
range (i.e. clockwise for minimum squelch  
level—maximum usable range).  
If you are not satisfied with any of the  
The aSC SynC BUTTOn (7) is used to transfer channels scanned, repeat the Autoscan  
the selected channel info from the receiver  
to the transmitter for easy synchronization  
prior to use. Briefly press the ASC Sync  
button to start the transfer. A red LED inside  
the Ir leD (6) window will flash twice quickly  
within two seconds. This LED indicates  
IR transmission is in progress. If needed,  
press the ASC Sync button again, to restart  
synchronization. When the synchronization  
is completed successfully, either the  
diversity rF a or B leD (5) on the receiver  
will light up.  
procedure for that receiver again anytime for  
finding another free channel.  
Note: For easier intuitive operation, the MIN  
and MAX indications for this control refer to the  
minimum and maximum operating range settings,  
not to the actual mute levels selected, which are  
the opposite as per above.  
rackmounting receivers  
audio level and peak leD Indicator  
A single or dual UWS-100 receivers can be  
rackmounted with the optional RMT-1KUD  
rack tray.  
The UWS-100 receiver has a bi-color  
aF leD (4) that lights up green indicating  
normal level audio signal from the  
transmitter. Occasional flickering of the  
AF LED as orange (peak level) on loud inputs  
to the transmitter is normal. If the LED lights  
orange continuously, decrease the input  
audio level to the transmitter or overload  
distortion may result.  
adjusting antennas  
Selecting the UWS-100  
receiver Channel  
See RF Interference and Finding Open  
Channels in the Cautions and Troubleshooting  
section. This section will also aid in finding  
desired channel(s) of operation when setting  
up your system(s).  
The UWS-100 has two permanently  
attached, flexible elbow anTennaS (1)  
for diversity reception. Unfold and rotate  
these antennas to operate the receiver.  
The optimal positions of the antennas are  
flared 45° out from the receiver sides 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.  
To program the preselected channel into  
the transmitter, place the transmitter’s  
Ir reCepTOr SenSOr WInDOW (17, 29)  
6-12” away from the receiver’s Ir WInDOW  
(6). Press the aSC SynC BUTTOn (7) once to  
start programming. (See Programming the  
UHT/UBT-100 Transmitters to the Selected  
Channel in the following section.)  
Connecting the audio Output  
The SeleCT BUTTOn (2) has two functions.  
A short press (~1 second) scans for a clear  
channel and a long press (> 2 seconds)  
manually programs a desired channel.  
The UWS-100 audio output is set up for  
either adjustable level ¼” UnBalanCeD  
lIne OUT (11) or fixed level XLR BalanCeD  
MIC OUT (10). The ¼” unbalanced line out  
8
9
 
is controlled by the VOlUMe COnTrOl (12).  
simultaneous multichannel operation.  
Select the level for your application  
accordingly. A range walk test will  
determine if the LO setting is adequate.  
Ir Sync programming  
UHT-100 Handheld  
Microphone Transmitter  
Use the wireless Ir reCepTOr SenSOr  
WInDOW (17) infrared LED to download  
pre-programmed channels from the receiver.  
For unbalanced line output connection, plug  
an audio cable with a ¼” mono (Tip/Sleeve)  
plug into the Unbalanced Line Out jack and  
plug the other end into your mixing board  
or amplifier. Adjusting the Volume control  
will increase or decrease the audio level at  
the ¼” Unbalanced Line Out only. When  
using the UBT-100 instrument transmitter  
system, connect the Unbalanced Line Out  
directly to your instrument amp or preamp.  
At maximum receiver volume setting, the  
system output is approximately +4dB higher  
than a direct cord-to-amp connection.  
Setting up the Transmitter  
The UHT-100 requires two AA alkaline or  
NiMH batteries to operate (do not mix  
Start programming by holding the IR  
receptor sensor/window about 6-12”  
from the front of the receiver, then press  
the aSC SynC BUTTOn (7) briefly on the  
receiver. The red LED inside the receiver’s  
Ir WInDOW (6) will flash twice quickly  
within two seconds. This LED indicates IR  
transmission is in progress. If necessary, the  
ASC transfer can be repeated by pressing  
the ASC Sync button again. When the  
synchronization is completed successfully,  
either the rF a Or B leD (5) on the receiver  
will light up. 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 diversity  
RF A/B LED indicator on the receiver will  
then light up, indicating that the IR linking  
is completed. The lCD DISplay (16) will  
show the matching channel as receiver.  
If no action is taken during the two seconds  
of active IR data transfer, the receiver and  
the transmitter units do not link and the  
transmitter’s previous program channel  
remains unchanged.  
powering the Transmitter On/Off  
To turn on the transmitter, slide the  
OFF/STBy/On pOWer SWITCH (18) to the  
middle standby position. The lCD BaCKlIgHT  
(16) will light up, indicating the unit is now  
on. After five seconds the backlight will  
automatically turn off to conserve battery  
life. The lCD DISplay (16) indicator icons  
stay on for normal operation.  
types). To install the batteries, press at the  
“Open” end of the BaTTery COVer (23) and  
slide down per the arrow indicator, exposing  
the BaTTery COMparTMenT (19). Insert two  
fresh AA batteries according to the polarity  
indicated on the transmitter body. Slide the  
battery cover back onto the microphone,  
making sure it is secure. 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 be replaced after 6-8 hours of use  
or as indicated necessary by the flashing  
BaTT ICOn (16B). The transmitter has a built-in  
InTernal anTenna (22). For best operating  
range, do not handle this antenna during use.  
For XLR Balanced Mic Output connection,  
plug an audio cable with an XLR connector  
into the XLR BalanCeD MIC OUT (10) socket  
and plug the other end into your mixing  
board or amplifier and control the audio  
levels from there.  
As many of the five LCD display BaTTery  
leVel BarS (16B) should stay lit as possible,  
indicating usable battery strength. As  
the batteries weaken, fewer of the level  
indicators will stay lit until only one bar  
shows, which will then flash “BATT” to  
warn that the batteries are now too low  
and should be replaced as soon as possible  
with fresh ones.  
Both the ¼” Unbalanced Line Out and the  
XLR Balanced Mic Out can be used at the  
same time to connect to your mixing board,  
effect, or amplifier.  
The UHT-100 handheld transmitter has two  
small switches under the battery cover;  
the TranSMITTer lOCK SWITCH (20) and the  
rF HI/lO pOWer SWITCH (21). To access these  
two switches, slide down and remove the  
cover. These switches have ON and OFF  
positions and function as follows:  
To preserve battery life, turn the transmitter  
off when not in use. To turn the transmitter  
off, check that the TranSMITTer lOCK  
SWITCH (20) is in OFF position with the Key  
ICOn (16C) not showing on the lCD DISplay  
(16). Then slide the power On/Off switch to  
the OFF position. The LCD or backlight are  
not lit up, indicating the unit is off.  
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.  
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.  
For normal operation, the transmitter  
should have the same channel as displayed  
on the receiver. The transmitter is now  
ready for use.  
When the transmitter lock switch is in the  
OFF position, the Key ICOn (16C) does not  
appear on the lCD DISplay (16). To prevent  
the possibility of accidentally turning off  
the transmitter during use, switch it to the  
ON position. The key icon will appear on the  
LCD display and the transmitter OFF/STBY/  
ON switch will be disabled. The standby and  
IR channel programming will still function  
normally.  
At power off the transmitter will store the  
last settings entered and re-display them  
at the next power on. The default factory  
setting is Channel 14.  
Your UWS-100 receiver is now operational  
and ready to use. Proceed to the following  
instructions for the UHT-100 handheld  
microphone transmitter or UBT-100  
bodypack transmitter included with  
your system.  
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.  
programming the UHT-100  
to the Selected Channel  
The transmitter must be programmed to  
the same frequency as selected for the  
receiver via automatic synchronization using  
the IR ASCSync function. It can not be  
programmed on the transmitter itself.  
The RF HI/LO power switch can be set  
either in HI (more RF output) or in LO  
(less RF output). The LO setting will prolong  
battery life and is also recommended for  
10  
11  
 
or somehow shield the link from outside light to  
successfully program the transmitter with the  
pre-programmed group and channel info from  
the receiver.  
batteries according to the correct polarity as  
indicated on the transmitter body. Slide the  
battery compartment door back onto the  
transmitter, making sure it is secure. 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 be replaced after  
6-8 hours of use or as indicated to be  
necessary by the flashing “BATT” icon.  
The transmitter has a removable anTenna  
(24) but it should be attached (screwed  
on tightly counterclockwise). For best  
transmitting power during use, make  
sure it is not blocked. A walk test before  
use will determine the operating range in  
your application.  
Operating the UHT-100  
Handheld Transmitter  
programming the UBT-100  
to the Selected Channel  
The transmitter must be programmed to the  
same frequency as selected for the receiver  
via automatic synchronization using the IR  
Sync function. It cannot be programmed on  
the transmitter itself.  
The OFF/STBy/On pOWer SWITCH (18) has  
three positions and functions both as a  
power On/Off and as an audio mute On/  
Standby switch. During normal operation  
with the unit powered on standby, slide  
the OFF/STBY/ON power switch to the ON  
position. You will feel a slight click indicating  
the ON position is selected. The receiver’s  
rF a/B leD (5) diversity indicators should now  
be on, indicating a received signal from the  
transmitter.  
Connecting Input audio Source  
Lapel/Head Mic Uses (UBT-100 LT/HM)  
The mini 3.5mm locking InpUT JaCK (26)  
is for connecting the audio input from a  
lavalier/lapel mic (LT), a Headmic(HM),  
or an instrument (GT) cable, depending on  
which transmitter version is being used.  
Secure the connection to the cable by  
tightening the cable mini plug’s outer ring  
counterclockwise.  
IR Sync Programming:  
Use the wireless Ir reCepTOr SenSOr  
WInDOW (29) infrared LED to download  
pre-programmed channels from the receiver.  
Start programming by holding the IR receptor  
sensor/window about 6-12” in front of the  
receiver, then press the aSC SynC BUTTOn  
(7) briefly on the receiver. The red LED  
inside the receiver Ir WInDOW (6) will flash  
twice quickly within two seconds. This LED  
indicates IR transmission is in progress. If  
necessary, the ASC transfer can be repeated  
by pressing the ASC Sync button again.  
When the synchronization is completed  
successfully, either the rF a or B leD (5) on  
the receiver will light up. 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 diversity RF A or B LED indicator on the  
receiver will then light up, indicating that the  
IR link is completed. The lCD DISplay (27)  
will show the matching channel as receiver.  
If no action is taken during the two seconds  
of active IR data transfer, the receiver and  
the transmitter units do not link and the  
transmitter’s previous program channel  
remains unchanged.  
After the unit is powered on, slide the  
power switch to the ON position to un-  
mute the audio or to STBY to mute the  
audio. Set the power switch accordingly  
and the microphone is now ready to use.  
The receiver’s diversity RF A or B LED  
indicator should now be on, indicating a  
received signal from the transmitter.  
Instrument Use (UBT-100 GT)  
powering the Transmitter On/Off  
Secure the connection of the GT  
To turn on the transmitter, slide the OFF/  
STBy/On pOWer SWITCH (32) to the standby  
position. The LCD backlight will light up,  
indicating the unit is now on. After five  
seconds the backlight will automatically  
turn off to conserve battery life. The  
lCD DISplay (27) indicator icons stay on  
for normal operation.  
(instrument) cable by tightening the  
mini-plug outer ring counterclockwise  
onto the 3.5mm locking InpUT JaCK (26).  
When ready to play, slide the OFF/STBy/  
On pOWer SWITCH (25) to the ON position  
to un-mute the audio. Adjust the volume  
on the receiver for one-to-one unity gain  
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.  
When ready to transmit audio, slide the  
power switch to ON to un-mute. To mute,  
slide the power switch to STBY again.  
Adjust the volume of the receiver per the  
previous section, Connecting the Audio  
Output.  
As many of the five LCD display BaTTery  
leVel BarS (27B) should stay lit as possible,  
indicating usable battery strength. As the  
batteries weaken, fewer of the level  
indicators will stay lit until only one bar  
shows, which will then flash “BATT” to  
warn that the batteries are now too low  
and should be replaced as soon as possible  
with fresh ones.  
Note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
Note: The audio level should be adjusted on the  
instrument as when using a hard-wired cord.  
UBT-100 Bodypack Transmitter  
(lT, HM or gT)  
Operating the UBT-100  
Bodypack Transmitter  
The OFF/STBy/On pOWer SWITCH (25) has  
three positions and functions both as a  
power On/Off and as an audio mute On/  
Standby switch. During normal operation  
with the unit set to Standby, slide the switch  
to the ON position. The receiver’s rF a/B  
leD (5) diversity indicators should now be  
on, indicating a received signal from the  
transmitter.  
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.  
Setting up the Transmitter  
For normal operation, the transmitter should  
have the same channel as displayed on the  
receiver. The transmitter is now ready for use.  
The UBT-100 bodypack requires two  
alkaline or NiMH AA batteries to operate  
(do not mix types). To install the batteries  
into the battery compartment, press at  
the arrow end and slide down and remove  
the laTCHIng BaTTery COMparTMenT  
DOOr (30), exposing the BaTTery  
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  
At power off the transmitter will store the  
last settings entered and re-display them  
at the next power on. The default factory  
setting is Channel 14.  
COMparTMenT (31). Insert two fresh AA  
12  
13  
 
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), it can often be  
overcome by adjusting the receiver‘s  
MUTe leVel/SQUelCH (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.  
After the unit is powered on, slide the power slide the power switch to STBY again. Adjust  
switch to the ON position to un-mute the  
audio or to STBY to mute the audio. Set the  
power switch accordingly and the transmitter  
is now ready to use. The receiver’s RF A/B  
LED indicator should now be on, indicating a  
received signal from the transmitter.  
the volume of the receiver per the previous  
section, Connecting the Audio Output.  
Note: Avoid acoustic feedback (howling or  
screeching) by taking care in selecting PA volume,  
transmitter location and speaker placement.  
When ready to transmit audio, slide the  
power switch to ON to un-mute. To mute,  
To reprogram, you must first find an open  
channel. To do this, follow the procedure  
outlined in Selecting the UWS-100 Receiver  
Channel. With the associated transmitter  
off, scroll through the channels to find one  
that shows no received signal (not lit) on  
the receiver’s rF a/B leDs (5). Also, neither  
of these LEDs should be lit on each of the  
three immediately adjacent channels both  
above and below the selected channel for  
optimal interference-free operation (i.e. in a  
field of seven total adjacent channels—with  
the channel used in the middle).  
Cautions and Troubleshooting  
thus are also more prone to feedback than  
close-source mics.  
Feedback  
Avoid acoustic feedback (howling or  
screeching) by taking care in selecting  
PA volume, transmitter location and  
speaker placement.  
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. Also confirm that  
the transmitter’s pOWer OFF/STBy/On  
SWITCH (18, 25) is not in the STBY position.  
The receiver’s UnBalanCeD lIne OUT (11)  
is adjustable so make sure the VOlUMe  
COnTrOl (12) is set properly.  
Please also note the pickup pattern  
characteristics of the microphone selected.  
Unidirectional microphones are more  
resistant to feedback. However, they pick  
up sound sources best that are directly in  
front of the microphone. Also, mics that are  
farther from the sound source (such as a  
handheld) require more acoustic gain and  
If operating multiple UWS-100 Series  
systems simultaneously, repeat this  
procedure with every new channel being  
selected, with previously tuned systems all  
on, both transmitters and receivers. See  
“Instructions for Setup of Simultaneous  
Multichannel Operation “  
Also see:  
Selecting the UWS-100 Receiver Channel  
rF Interference and Finding Open Channels  
The FCC mandates the following information be provided to all end users of this equipment:  
Programming the UH-100 to the  
Selected Channel  
Programming the UB-100 to the  
Selected Channel  
Consumer alert  
Most users do not need a license to operate this wireless microphone system. Nevertheless,  
operating this microphone system without a license is subject to certain restrictions: the system  
may not cause harmful interference; it must operate at a low power level (not in excess of 50mW);  
and it has no protection from interference received from any other device. Purchasers should also  
be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules  
are subject to change.  
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.  
For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC)  
14  
15  
 
If rackmounting the receiver, keep away  
from heat sources such as amps by  
allowing enough space between them for  
adequate ventilation.  
Miscellaneous Tips  
Specifications  
The receiver antennas should be kept  
away from any metal surfaces whenever  
possible as they can reflect away or shield  
the incoming RF signal.  
OVerall SySTeM perFOrManCe  
Operating Frequency range  
Freq. Synthesized  
pll system frequency stability  
Frequency response  
Dynamic range  
Harmonic Distortion  
Modulation  
Operating range  
667.0MHz-696.7MHz (U.S.)  
(100 channels switchable) 300kHz/step  
<0.005%  
50Hz-18kHz +/-3dB  
120dB  
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.  
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 optimal signal-to-  
noise for the entire system.  
<0.5%  
FM (F3E) +/-25kHz normal, +/-75kHz max  
150-250 feet typical, 500+feet max line-of-sight  
UWS-100 reCeIVer  
receiver System  
Dual conversion Super Heterodyne with Digi-True Diversity  
(dual antennas with optimum reception selected)  
60dB, normal +/-75kHz offset  
-70dB, minimum  
-107dBm, normal  
65dB, normal  
Adjustable ( -65dBm to -95dBm)  
SELECT/AUTOSCAN, ASC Sync buttons, Power ON/OFF Rocker  
Switch, MUTE level pot, VOLUME line level pot  
Two Digits LED panel indicating selected Channel; RF A or B diversity  
LED indicator; AF/Peak audio bi-color LED indicator  
LINE OUT UNBALANCED: adjustable line audio output  
MIC OUT BALANCED: fixed mic level audio output  
Unbalanced: 1k Ω and Balanced: for 600 Ω loads  
15VDC/0.4A  
Selectivity  
Image rejection  
Sensitivity  
Spurious rejection  
Mute Threshold  
Controls  
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.  
leD Display  
audio Outputs  
Output Impedance  
power requirement  
antennas  
Dimensions  
Weight  
Before inserting the batteries, ensure that  
they are inserted with the correct polarity.  
Dual permanently attached swivel antennas  
6”W x 4.8”D x 1.5”H (15.3cm x 12.2cm x 3.8cm)  
17oz (482g)  
Before operation, confirm that the receiver  
and associated transmitter are tuned to  
the same frequency group and channel  
number.  
Housing Construction  
Metal  
UH-100 HanDHelD TranSMITTer  
rF Output power  
Harmonic/Spurious emission  
Impedance  
Controls  
lCD Display  
antenna Type  
Battery Type  
Battery life  
Dimensions  
+14dBm (25mW typical)  
-50dBc normal  
3.0 kΩ  
Power OFF/STBY/ON, RF HI/LO and TX Lock switches  
Channels/Battery Levels/TX Lock  
Integral  
2 x AA alkaline batteries operation  
8-10 hours typical  
After making a receiver channel change,  
ensure that the corresponding change is  
also made on the matching transmitter.  
When using the bodypack for 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:  
Use only new alkaline or fully recharged  
NiMH 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.  
11”L x 2”D (28cm x 5.1cm)  
8.3 oz (235g)  
ABS Plastic  
Weight (w/o batteries)  
Housing Construction  
UB-100 BODypaCK TranSMITTer  
rF Output power  
Harmonic/Spurious emission  
Input Impedance  
Controls  
Input Connector  
lCD Display  
antenna Type  
Battery Type  
Battery life  
Dimensions  
+14dBm (25mW typical)  
-50dBc normal  
5k Ω (Lavalier); 500 kΩ (Instrument)  
Power OFF/STBY/ON  
Locking 3.5mm mini-jack  
Channels/Battery Levels  
External Removable  
2 x AA alkaline or NiMH  
8-10 Hours typical, alkaline  
2.5”W x 1”H x 3.75”D (6.35cm x 2.54cm x 9.53cm)  
3.1 oz (88g)  
Position the receiver so that it has the  
least possible obstructions between it and  
the transmitter. Line-of-sight is best!  
1) Make sure all guitar volume and tone  
pots are clean and all contacts are solid.  
This is very important.  
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.  
2) Solder a 47pF capacitor across the pot  
to ground terminal of the guitar’s volume  
and tone pots to provide extra filtering  
Weight (w/o batteries)  
Housing Construction  
ABS Plastic  
Specifications subject to change at any time without prior notice for purposes of product improvement  
16  
17  
 
Frequency Plan  
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.  
Band 1: 667.000-696.700MHz (U.S.)  
100 Channels / 300 KHz per step  
Channel  
00s  
0
1
2
3
4
5
6
7
8
9
667.000 670.000 673.000 676.000 679.000 682.000 685.000 688.000 691.000 694.000  
667.300 670.300 673.300 676.300 679.300 682.300 685.300 688.300 691.300 694.300  
667.600 670.600 673.600 676.600 679.600 682.600 685.600 688.600 691.600 694.600  
667.900 670.900 673.900 676.900 679.900 682.900 685.900 688.900 691.900 694.900  
668.200 671.200 674.200 677.200 680.200 683.200 686.200 689.200 692.200 695.200  
668.500 671.500 674.500 677.500 680.500 683.500 686.500 689.500 692.500 695.500  
668.800 671.800 674.800 677.800 680.800 683.800 686.800 689.800 692.800 695.800  
669.100 672.100 675.100 678.100 681.100 684.100 687.100 690.100 693.100 696.100  
669.400 672.400 675.400 678.400 681.400 684.400 687.400 690.400 693.400 696.400  
669.700 672.700 675.700 678.700 681.700 684.700 687.700 690.700 693.700 696.700  
10s  
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.  
20s  
30s  
40s  
50s  
60s  
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.  
70s  
80s  
This warranty is subject to the following conditions:  
90s  
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.  
Optional Accessories  
RMT-1KUD rack tray for rackmounting either one or two UWS-100 receivers  
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.  
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.)  
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 Dept, 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.  
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.  
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.  
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.  
Do not attempt to service this unit yourself as it can be dangerous and will also void the warranty.  
18  
 

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