Nady Systems Headphones UB 10 User Manual

URR-10  
UHF Wireless Microphone System  
URR-1 0 RECEIVER  
UB-1 0 BO DYPACK TRAN SMITTER  
UH-1 0 HAN DHELD MICRO PHO N E  
NADY SYSTEMS, INC.  
6701 Shellmound Street  
Emeryville, CA 94608 USA  
Tel: 510.652.2411 • Fax: 510.652.5075  
OWNER'S MANUAL  
 
IN TRO DUCTIO N  
SPECIFICATIO N S  
Thank you for purchasing a Nady URR-10 Diversity Wireless Microphone System and  
congratulations on your choice. The URR-10 is the best performance and price value  
available in rackmount UHF wireless systems and is loaded with features:  
Frequency Response  
50 Hz - 15 KHz, +/ - 3 dB  
Dynamic Range  
120 dB  
Total Harmonic Distortion  
< 0.6%  
RF Carrier Frequency Range  
UHF, choice of single frequencies from  
794-820 MHz  
URR-10TRANSMITTERS  
Audio Inputs  
UB-10 Bodypack: 3.5mm  
locking mini-jack 3-way select  
switch for inputs: instrument,  
headworn mic, or lavalier mic  
UH-10 Handheld: Integral Nady  
DM-10D neodymium dynamic  
cartridge  
Clear channel operation on the wide open, uncluttered UHF band for  
interference-free performance in any application or locale  
Nadys proprietary companding circuitry for an industry best 120dB Dynamic  
Range, and the clearest, most natural sound available  
Tone Squelch™ for locking out potential interference  
Choice of transmitters:  
Frequency Stability  
Controls  
• UB-10 Bodypack with unique 3-way switch for selecting input type:  
instrument (guitar, bass, etc.), headmic™ headworn mic, or lavalier/ lapel mic  
• UH-10 Handheld microphone with a powerful neodymium cartridge that  
delivers unsurpassed audio, minimal handling noise and enhanced  
feedback rejection  
URR-10 receiver with DigiTRU Diversity™ for maximum range and dropout  
protection, full LED indicators, both 1/ 4" unbalanced and XLR balanced  
outputs, and special circuitry for noiseless transmitter ON/ OFF switching  
+/ - 0.005% crystal controlled  
Modulation  
FM (F3E), +/ - 20 KHz  
Operating Range  
Up to 250 feet typical (depending on  
site conditions)–up to 500+ feet line- of-  
sight  
UB-10: OFF/ STANDBY/ ON,  
INSTRUMENT/ HEADWORN  
MIC/ LAV MIC, INPUT LEVEL  
UH-10: OFF/ STANDBY/ ON  
LED Indicator  
Unit “ON” (single flash), Low Battery  
Alert (steady)  
RF Power Out  
URR-10RECEIVER  
Reception Mode  
50mW nominal (maximum allowed  
by FCC)  
Harmonic & Spurious Emissions  
< -50 dB  
DigiTRU Diversity™ (Dual Antenna)  
Squelch  
Battery  
9V Alkaline  
Tone Key (32.768 KHz), External  
Control  
Battery Life  
Controls  
8-10 Hours (35mA draw typical)  
Dimensions  
Power ON/ OFF, Volume Control, Level  
Low/ Hi Switch, Squelch (Mute) Adjust  
Connectors  
DC in, 1/ 4" (6.3 mm) unbalanced  
phone jack (750 mV/ 5K Ohm), XLR  
balanced output (60 mV/ 600 Ohm), A  
& B BNC antenna jacks, fuse  
LED Indicators  
UB-10: 4.2" x 2.5"x .88"  
(10.7 x 6.4 x 2.2 cm)  
UH-10: 9.5"x 1.37"  
(24.1 x 3.48cm)  
Weight  
UB-10: 3 oz (84g)  
UH-10: 7.5 oz (210g)  
Power ON, Diversity A/ B, RF LEVEL  
and AF LEVEL (5 segment) displays  
Unwanted Signal Rejection  
60dB image and spurious  
Power Requirements  
Specifications subject to change for  
product improvement purposes  
DC 12-15V @ 300 mA, AC/ DC  
adapter included  
Dimensions  
16.1"x 1.73"x 6.5"  
(409 x 44 x 165 mm)  
Fuse  
20mm glass type, 250V, 500mA  
Weight  
3.93 lb (1.8 Kg)  
4
13  
 
URR-1 0 RECEIVER  
1. Rackmounting the Receiver  
The URR-10 is supplied with RACK EARS (17) which can be attached with the  
screws provided on the front of the side panels to enable rackmounting the  
receiver. (Note: Do not mount the receiver in a rack directly above an amplifier or  
other source of high heatthis could degrade the performance of the URR-10.  
Always ensure adequate air flow and heat dissipation in any rack configuration.)  
2. Powering the Receiver  
24  
Plug the 12V AC/ DC ADAPTER (15) provided into the DC INPUT JACK (11) on the  
back of the receiver. Then plug the power supply into an AC outlet. (Note: Any DC  
source with 300mA capability can also be used.) Press the POWER SWITCH (8)  
once to turn on the receiver. The POWER ON LED (7) will now light and the  
receiver is operational.  
34  
26  
3. Antennas  
The URR-10 is supplied with two detachable ANTENNAS (16). These can be either  
rear-mounted (standard) on the BNC ANTENNA JACKS PROVIDED (9) or mounted  
on the front (when rackmounting the receiver) with the optional FR-2 FRONT-  
ANTENNA RACKMOUNT KIT (18). To use the FR-2 kit, attach these special rack  
ears to the front of the side panels of the receiver, as with the standard rack ears  
provided. Attach the two short cables supplied between each ANTENNA JACK (9)  
and the jacks on the back of the FR-2 RACK EARS (18). This will provide a  
connection between the FR-2 front-panel antenna jacks and the antenna jacks of  
the receiver. Connect the antennas to either these FR-2 jacks or the antenna jacks  
on the back of the receiver directly if not using the optional FR-2. Extend the  
TELESCOPIC ANTENNAS (16) fully to obtain maximum range. Optimal antenna  
position is 45 degrees from the receiver (at 90 degrees from each other).  
25  
24  
4. Squelch Adjustment  
In normal operation, the SQUELCH CONTROL (2) should be set fully clockwise to  
the factory preset RF level 10. However, in areas of high RF activity, the squelch  
(or mute, as it is sometimes called) may need to be adjusted to compensate for the  
adverse conditions in a particular location. If, with the transmitter off, the  
receivers A and/ or B DIVERSITY LED INDICATORS (3) and/ or one or more LEDs  
of the 5 LED RF LEVEL (4) display flicker or stay on, the squelch control should be  
turned counterclockwise until the LEDs extinguish. When the squelch is properly  
adjusted, the A and/ or B LEDs or the RF LEVEL LED displays will only light when  
the system transmitter is turned on. Turning the squelch control too far counter  
clockwise will reduce the range, but yield a quieter squelch (mute) function.  
During operation, especially at ranges greater than 75 feet, one or the other of the  
A or B LEDs may extinguish briefly. This is normalthe units DigiTRU Diversity™  
reception ensures that the received audio will not be interrupted. When both the  
A/ B Diversity LEDs and the 5 LED RF LEVEL display extinguish, the transmitter is  
out of range for that given location, and the user should move closer to the  
receiver to re-establish the radio link.  
24. BATTERY COMPARTMENT  
25. 9V ALKALINE BATTERY  
26. INPUT SELECTOR SWITCH  
27. 3.5mm LOCKING JACK  
28. INSTRUMENT CORD  
29. HEADWORN MIC  
30. LAVALIER MIC  
31. OFF/ STANDBY/ ON SWITCH  
32. BATTERY INDICATOR LED  
33. INPUT LEVEL CONTROL  
34. CLIP  
12  
5
 
5. Connecting the Audio Output  
For optimum performance, an INPUT LEVEL CONTROL (32) is provided. Adjust  
the gain by turning the control with your thumb. For lavalier mic use, it is recom  
mended that the level be set at about 2/ 3 maximum. For headworn mic use, it  
may be advisable to turn the gain down somewhat, depending on the volume  
levels expected. In either application, experiment and set for maximum possible  
gain without audible distortion on the high level peaks. (Note: Turning down the  
gain too much can compromise the signal-to-noise and is not recommended.)  
The URR-10 receiver provides both a fixed mic level BALANCED AUDIO OUTPUT  
XLR (14) and an adjustable line level UNBALANCED AUDIO OUTPUT 1/ 4" JACK  
(13). The level from the UNBALANCED OUTPUT is controlled by the front panel  
VOLUME CONTROL (6) and the rear panel LEVEL LOW/ HI SWITCH (12). This  
switch adjusts the maximum volume of the level range controlled by the VOLUME  
CONTROL. In the LOWposition, the level of the signal from the UNBALANCED  
OUTPUT, with the VOLUME CONTROL set to 10, is about 10% of the maximum  
volume available with the HIposition. Proper use of the LOW/ HI SWITCH  
enables better control of the UNBALANCED OUTPUT volume.  
The AF LEVEL DISPLAY (5) on the URR-10 receiver will light up to 5 LED indicators  
for all input signals. Occasional flickering on and off during use of the top red LED  
is normal, but if the red LED stays lit continuously, turn down the INPUT LEVEL  
CONTROL (33) on the UB-10 transmitter or noticeable distortion may result.  
(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.)  
Instrument Connection (using the UB-10 in the “instrument” setting)  
Insert an audio cord with a 1/ 4" mono phone plug in the UNBALANCED OUTPUT  
JACK (13) on the rear panel of the receiver. Plug the other end of the cord into an  
amplifier, effects, or mixing board. With the LEVEL LOW/ HI SWITCH (12) set to  
HI, adjust the VOLUME CONTROL (6) on the URR-10 receiver clockwise to about  
3/ 4 rotation, until the volume level is comfortable for your application. This setting  
is roughly equivalent to a direct instrument cord connection. Turning the volume up  
to 10will provide 4dB gain over a cord.  
33  
31  
Microphone Connection (using the UB-10 transmitter with either a headworn or  
lavalier microphone or the UH-10 handheld microphone transmitter)  
For microphone use, either the BALANCED MIC AUDIO OUTPUT XLR (14) or the  
1/ 4" line level UNBALANCED OUTPUT (13) can be used. The XLR output is set at  
a non-adjustable microphone level, similar to hardwired mic levels. Plug an XLR  
connector into the XLR output jack on the rear of the unit and plug the other end  
into your amplifier or mixing board. Make sure the phantom power on your  
mixing board is turned off and the volume is turned down when making connec-  
tions. For your convenience, the XLR output level is preset at the factory and is not  
adjustable with the receiver volume control.  
28  
32  
27  
30  
24  
To use the 1/ 4" UNBALANCED OUTPUT JACK (13), follow the instructions for the  
Instrument Connection (above), except start with the LEVEL LOW/ HI SWITCH set to  
LOW and the receiver volume at 1/ 2 MAX and adjust both the switch and the  
volume control until the volume level is optimal. If the volume control is set too  
high, you may overload your mixer or amp.  
29  
The URR-10 receiver is equipped with an AF LEVEL LED DISPLAY (5) which  
indicates the level of the received audio from the transmitter. There are 4 green  
and 1 red LED in this display and in normal operation they will go on and off with  
the changing signal level. If the top (red) LED stays on continuously, decrease the  
volume to the transmitter or overload distortion may result.  
6
11  
 
The AF LEVEL LED DISPLAY (5) on the URR-10 receiver will light up to 5 LEDs for  
all input signals. Occasional flickering on and off during use of the top red LED  
indicator in this display is normal, however if the red LED stays on continuously,  
turn down the instrument volume or the INPUT LEVEL CONTROL (33) on the UB-10  
transmitter, or noticeable distortion may result.  
FRONT PANEL  
(Note: Scratchy noises can sometimes occur when some electric guitars with dirty  
pots or connections are used with any wireless system. For this reason, the  
supplied INSTRUMENT CORD (28) has a factory installed capacitor inside the 1/  
4" plug. This 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 give you scratchy noises, we suggest these steps to eliminate them:  
1) Make sure all guitar volume and tone pots are clean and all contacts are  
solidthis is very important.  
4
2
3
5
6
7
8
1
2) Provide extra filtering with a 47pf capacitor soldered across the hot to ground  
terminals of the guitars volume and tone pots.)  
17  
18  
6. Microphone Use (with either a lavalier or headworn microphone)  
Secure the connection from the LAVALIER (30) or HEADWORN MIC CORD (29) by  
turning the slip ring on the plug into the transmitter clockwise to thread it on to the  
jack. To unplug, reverse the process. To use the lavalier mic, attach it at chest level.  
Do not place it too close to the moutha distance of about six inches usually works  
best. To use the headworn mic, place it on the head and adjust the boom so that  
the mic is about one inch to the side of the front of the mouth. When ready to  
speak, slide the OFF/ STANDBY/ ON SWITCH (31) to the ON position. Adjust the  
volume of the receiver as per the Audio Output Microphone Connection section of  
the above URR-10 receiver instructions. [Note: Observe care in selecting P.A.  
volume, transmitter location and speaker placement so that acoustic feedback  
(howling and screeching) will be avoided. Please also note the pickup pattern  
characteristics of the microphone selected. Omnidirectional mics pick up sound  
equally from all directions and are prone to feedback if not used carefully.  
Unidirectional mics are more resistant to feedback, but pick up sound sources best  
that are directly in front of the mic. Also, mics that are farther from the sound  
source, such a lavaliers, require more acoustic gain and thus are also more prone  
to feedback than close-source mics such as handheld or headworn models that are  
used close to the mouth].  
REAR PANEL  
9
12  
13  
14  
10  
11  
9
15  
16  
1. FRONT PANEL  
9. BNC ANTENNA JACKS  
2. SQUELCH CONTROL  
10. FUSE  
3. A/ B DIVERSITY LED INDICATORS  
4. RF LEVEL LED INDICATORS  
5. AF LEVEL LED INDICATORS  
6. VOLUME CONTROL  
7. POWER ON LED  
8. POWER SWITCH  
11. DC INPUT JACK  
12. LEVEL LOW/ HI SWITCH  
13. UNBALANCED AUDIO OUT  
14. BALANCED AUDIO OUT  
15. 12-15 VDC ADAPTER  
16. TELESCOPING ANTENNAS  
17. STANDARD RACK EARS  
18. FR-2 FRONT-ANTENNA RACK KIT (optional)  
10  
7
 
UH-1 0 HAN DHELD MICRO PHO N E  
UB-1 0 BO DYPACK TRAN SMITTER  
1. Slide open the hinged BATTERY COMPARTMENT (24) and insert a fresh 9V  
ALKALINE BATTERY (25), observing the correct polarity. A fresh alkaline battery  
can last up to 10 hours in use, but in order to ensure optimum performance, it is  
recommended that the battery be replaced after 7-8 hours of use.  
1. Unscrew the BATTERY COMPARTMENT COVER (19) and remove, exposing the  
BATTERY HOLDER (20). Insert a fresh 9V ALKALINE BATTERY (21), observing the  
correct polarity as marked, and screw the cover back on to the microphone. Make  
sure the cover is screwed on completely. A fresh alkaline battery can last up to 10  
hours in use, but in order to ensure optimum performance, it is recommended that  
you replace the battery after every 7-8 hours of use.  
2. The UB-10 is equipped with an INPUT SELECTOR SWITCH (26) in the battery  
compartment for selecting the type of audio input you will be supplying to the  
transmitter. Select from the choice of three positions: INSTRUMENT (for guitar,  
bass, etc.)/ HEADWORN MIC/ LAVALIER MIC.  
2. Turn on the UH-10 by sliding the OFF/ STANDBY/ ON SWITCH (22) to the  
STANDBY position (transmitter on, audio muted) or the ON position (transmitter  
and audio both on). The BATTERY INDICATOR LED (23) will give a single quick  
flash, indicating usable battery strength. In the case of a dead or low battery, the  
LED will either not go on at all or will stay on continuously, indicating that the  
battery should be replaced with a fresh one. To preserve battery life, turn the  
transmitter off when not in use.  
3. The UB-10 is provided with a 3.5 mm LOCKING JACK (27) for connecting the  
audio input selected. Connect either the INSTRUMENT CORD (28) or the  
HEADWORN MIC (29) or LAVALIER MIC CORD (30) as desired, according to the  
input selected. (Note: Use only the input audio source as per the input selected with  
the AUDIO INPUT SELECTOR SWITCH or the audio will not be optimala muddy or  
distorted sound may result.) To secure the connection, turn the slip ring on the plug  
clockwise to thread it on the jack. To unplug, reverse the process. Slip the transmit-  
ter into a pocket or use CLIP (34) to attach it to your clothes or instrument strap (if  
using the UB-10 as an instrument transmitter).  
3. The microphone is now ready to use. The A and/ or B DIVERSITY LED INDICA-  
TORS (3) and most or all of the RF LEVEL DISPLAY LEDs (4) on the URR-10  
receiver should now be lit, indicating a received signal from the transmitter. When  
ready to speak, slide the transmitter switch to the ON position. Adjust the volume  
of the receiver as per the Audio Output Microphone Connection section of the  
above URR-10 receiver instructions. [Note: Observe care in selecting P.A. volume,  
transmitter location and speaker placement so that acoustic feedback (howling or  
screeching) will be avoided.]  
4. Turn on the UB-10 by sliding the OFF/ STANDBY/ ON SWITCH (31) to the  
STANDBY position (transmitter on, audio muted) or the ON position (transmitter  
and audio both on). The BATTERY INDICATOR LED (32) will give a single quick  
flash, indicating usable battery strength. In the case of a dead or low battery, the  
LED either will not go on at all or will stay on continuously, indicating that the  
battery should be replaced with a fresh one. To preserve battery life, turn the  
transmitter off when not in use. The transmitter is now ready to use. The A and/ or  
B DIVERSITY LED INDICATORS (3) and most or all of the RF DISPLAY LEDs (4) on  
the URR-10 receiver should now be lit, indicating a received signal from the  
transmitter.  
21  
20  
19  
5. Instrument Use  
Plug the 1/ 4" phone plug from the INSTRUMENT CORD (28) into the instrument.  
As the cord to the instrument also serves as the antenna, be sure to extend it fully  
for maximum range. Rolling up or shortening the cord may reduce the effective  
operating range. When ready to play, slide the audio OFF/ STANDBY/ ON  
SWITCH (31) to the ON position. Adjust the volume of the receiver as per the  
Audio Output Instrument Connections section of the above URR-10 receiver  
instructions. For optimum performance, an INPUT LEVEL CONTROL (33) is  
provided on the top panel of the UB-10. Adjust the gain by turning the control with  
your thumb. For instrument use, it is recommended that this control be turned to  
maximum gain. However, for ultra high-gain instrument sources such as active  
bass pickups or even extra hot guitar pickups, turning the level down slightly will  
create a cleaner sound. (Note: Turning down the input gain too much can compro  
mise the signal-to-noise ratio and is not recommended. Set for the maximum  
possible gain and headroom without noticeable distortion on the high level peaks).  
19  
23  
22  
19. BATTERY COMPARTMENT COVER  
20. BATTERY HOLDER  
21. 9V ALKALINE BATTERY  
22. OFF/ STANDBY/ ON SWITCH  
23. BATTERY INDICATOR LED  
8
9
 

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