Nady Systems Microphone UHF 10 User Manual

 
CO N TEN TS  
IN TRO DUCTIO N  
Thank you for purchasing a Nady UHF 10 Diversity Wireless Microphone  
System and congratulations on your choice. The UHF 10 is the best perfor-  
mance and price value available in UHF wireless systems and is loaded with  
features:  
• Clear channel operation on the wide open, uncluttered UHF band  
for interference-free performance in any application or locale  
• Nady's 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:  
CONTENTS ............................................................................1  
INTRODUCTION ................................................................. 2  
UHF 10 RECEIVER .............................................................. 3  
UH-10 HANDHELD MICROPHONE ...................................... 5  
UB-10 BODYPACK TRANSMITTER ....................................... 7  
SPECIFICATIONS ................................................................. 11  
SERVICE ............................................................................. 12  
• 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 car-  
tridge that delivers unsurpassed audio, minimal handling noise  
and enhanced feedback rejection  
• UHF 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  
1
2
 
UHF 1 0 RECEIVER  
1. Powering the Receiver  
Plug the 12V AC/ DC ADAPTER (12) provided into the DC INPUT JACK  
(6) 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 (5) once to turn on the receiver. The POWER  
ON LED (1) will now light and the receiver is operational.  
5
6
8
7
9
10  
11  
2. Antennas  
Extend ANTENNAS (4) fully to obtain maximum range. Optimal antenna  
5. POWER SWITCH  
6. DC INPUT JACK  
position is 45 degrees from the receiver (at 90 degrees from each other).  
7. FREQUENCY LABEL  
8. SQUELCH CONTROL  
9. AUX VOLUME CONTROL  
10. AUX AUDIO OUTPUT  
11. BALANCED MIC AUDIO  
OUTPUT XLR  
3. Squelch Adjustment  
12  
In normal operation, the SQUELCH CONTROL (8) should be set fully  
clockwise to the factory preset RF level (Max. Sens.). 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 receiver's A and/ or B  
DIVERSITY LED INDICATORS (2) flicker or stay on, the squelch control  
should be turned counterclockwise until the A and/ or B LEDs extinguish.  
When the squelch is properly adjusted, the A and/ or B LEDs will only  
light when the system transmitter is turned on. Turning the squelch  
control too far counterclockwise 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 unit's  
DigiTRU Diversityreception ensures that the received audio will not  
be interrupted. When both LEDs extinguish, the transmitter is out of range  
for that given location, and the user should move closer to the receiver to  
12. 12V AC/ DC ADAPTER  
4. Connecting the Audio Output  
The UHF 10 receiver provides both a fixed mic level BALANCED MIC  
AUDIO OUTPUT XLR (11) and an adjustable line level AUX AUDIO  
OUTPUT 1/ 4" jack (10).  
(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 transmitter in the "Instrument"  
setting)  
re-establish the radio link.  
4
Insert an audio cord with a 1/ 4" mono phone plug in the AUX  
AUDIO OUTPUT JACK (10) on the rear panel of the receiver. Plug the  
other end of the cord into an amplifier, effects, or mixing board.  
Adjust the AUX VOLUME CONTROL (9) on the UHF-10 receiver clock-  
wise to about 3/ 4 full, 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 MAX will provide 4dB gain over a  
cord.  
1
2
3
3. AF PEAK LED INDICATOR  
4. ANTENNAS  
1. POWER ON LED INDICATOR  
2. DIVERSITY LED INDICATORS  
3
4
 
Microphone Connection (using the UB-10 transmitter with either a  
headworn or lavalier microphone or the UH-10 handheld microphone  
transmitter)  
3. The microphone is now ready to use. The A and/ or B DIVERSITY LED  
INDICATORS (2) on the UHF 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 UHF  
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.]  
For microphone use, either the BALANCED MIC AUDIO OUTPUT XLR (11)  
or the 1/ 4" line level AUX AUDIO OUTPUT (10) 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 socket 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 connections. For your  
convenience, the XLR output level is preset at the factory and is not  
adjustable with the receiver volume control.  
15  
To use the 1/ 4" AUX AUDIO OUTPUT socket, follow the instructions for  
the Instrument Connection (above), except start the receiver volume at  
1/ 2 MAX and adjust until the volume level is optimal. If the volume  
control is set too high, you may overload your mixer or amp.  
14  
13  
The UHF 10 receiver is equipped with an AF PEAK LED INDICATOR (3)  
which lights with a strong audio signal from the transmitter. Occasional  
flickering on loud inputs to the transmitter is normal. If the LED lights  
continuously, decrease the volume to the transmitter or overload distor-  
tion may result.  
13  
UH-1 0 HAN DHELD MICRO PHO N E  
17  
16  
1. Unscrew the BATTERY COMPARTMENT COVER (13) and remove,  
exposing the BATTERY HOLDER (14). Insert a fresh 9V ALKALINE  
BATTERY (15), 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. Turn on the UH-10 by sliding the OFF/ STANDBY/ ON SWITCH (16) to  
the STANDBY position (transmitter on, audio muted) or the ON position  
(transmitter and audio both on). The BATTERY INDICATOR LED (17) 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.  
13. BATTERY COMPARTMENT COVER  
14. BATTERY HOLDER  
15. 9V ALKALINE BATTERY  
16. OFF/ STANDBY/ ON SWITCH  
17. BATTERY INDICATOR LED  
5
6
 
UB-1 0 BO DYPACK TRAN SMITTER  
1. Slide open the hinged BATTERY COMPARTMENT (18) and insert a fresh  
9V ALKALINE BATTERY (19), 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.  
(Note: The INPUT LEVEL CONTROL (27) is deactivated and not used when  
the UB-10 is in INSTRUMENT mode. Levels should be adjusted with the  
volume control of your instrument.)  
2. The UB-10 is equipped with an INPUT SELECTOR SWITCH (20) 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.  
The AF PEAK LED INDICATOR (3) on the UHF 10 receiver will light for all  
loud input signals. Occasional flickering on and off during use is normal,  
however if the LED stays on continuously, turn down the instrument  
volume or noticeable distortion may result.  
3. The UB-10 is provided with a 3.5 mm LOCKING JACK (21) for connect-  
ing the audio input selected. Connect either the INSTRUMENT CORD (22)  
or the HEADWORN MIC (23) or LAVALIER MIC CORD (24) 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 clock wise to thread  
it on the jack. To unplug, reverse the process. Slip the transmitter into a  
pocket or CLIP (28) it on to your clothes or instrument strap (if using the  
UB-10 as an instrument transmitter). The CLIP can be rotated 900 if the  
transmitter is to be attached horizontally (instead of vertically) by  
loosening the screw holding the clip.  
(Note: Scratchy noises can sometimes occur when some electric guitars  
with dirty pots or connections are used with any wireless system. There  
fore, the supplied INSTRUMENT CORD (22) 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.  
2) A 47pf capacitor soldered across the hot to ground terminals of the  
guitar's volume and tone pots will provide extra filtering.)  
6. Microphone Use (with either a lavalier or headworn microphone)  
Secure the connection from the LAVALIER (24) or HEADWORN MIC  
CORD (23) 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. As the microphone  
cord also serves as the antenna, be sure to extend it fully. Rolling up or  
shortening the cord may reduce the effective operating rangekeep it as  
straight as possible.  
4. Turn on the UB-10 by sliding the OFF/ STANDBY/ ON SWITCH (25) to the  
STANDBY position (transmitter on, audio muted) or the ON position  
(transmitter and audio both on). The BATTERY INDICATOR LED (26) 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 INDICA-  
TORS (2) on the UHF 10 receiver should now be lit, indicating a received  
signal from the transmitter.  
When ready to speak, slide the OFF/ STANDBY/ ON SWITCH (25) to the  
ON position. Adjust the volume of the receiver as per the Audio Output  
Microphone Connection section of the above UHF 10 receiver instruc-  
5. Instrument Use  
Plug the 1/ 4" phone plug from the INSTRUMENT CORD (22) 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 (25) to the ON position.  
Adjust the volume of the receiver as per the Audio Output Instrument  
Connections section of the above UHF 10 receiver instructions.  
7
8
 
tions. [Note: Observe care in selecting P.A. volume, transmitter location  
and speaker placement so that acoustic feedback (howling and screech-  
ing) 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 as 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].  
18  
28  
20  
For optimum performance, an INPUT LEVEL CONTROL (27) is provided.  
Adjust the gain by turning the control with your thumb. For lavalier mic  
use, it is recommended 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, experi-  
ment and set for maximum possible gain without audible distortion on  
the high level peaks. (Note: Turning down the gain too much can com-  
promise the signal-to-noise and is not recommended.)  
19  
18  
The AF PEAK LED INDICATOR (3) on the UHF 10 receiver will light for all  
loud input signals. Occasional flickering on and off during use is normal,  
but if the LED stays lit continuously, turn down the INPUT LEVEL CON-  
TROL (27) on the UB-10 transmitter, or noticeable distortion may result.  
27  
25  
22  
21  
26  
18. BATTERY COMPARTMENT  
19. 9V ALKALINE BATTERY  
20. INPUT SELECTOR SWITCH  
21. 3.5mm LOCKING JACK  
22. INSTRUMENT CORD  
23. HEADWORN MIC  
24  
23  
24. LAVALIER MIC  
25. OFF/ STANDBY/ ON SWITCH  
26. BATTERY INDICATOR LED  
27. INPUT LEVEL CONTROL  
28. CLIP  
18  
9
10  
 
SPECIFICATIO N S  
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  
Frequency Stability  
+/ 0.005% crystal controlled  
Modulation  
FM (F3E), +/ 20 KHz  
Operating Range  
250 feet typicalup to 500+ feet line-  
of-sight  
UHF 10 TRANSMITTERS  
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  
Nady wireless systems are type accepted under FCC rules, parts  
90, 74 and 15.  
Controls  
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  
This device complies with RSS-210 of Industry & Science  
Canada. Operation is subject to the following two conditions:  
(1) this device may not cause harmful interference, and (2) this  
device must accept any interference received, including  
interence that may cause undesired operation.  
UHF 10 RECEIVER  
Reception Mode  
DigiTRU Diversity(Dual Antenna)  
Squelch  
Tone Key (32.768 KHz), External  
Control  
50mW nominal (maximum allowed  
by FCC)  
Harmonic & Spurious Emissions  
< 50 dB  
Battery  
Controls  
9V Alkaline  
Battery Life  
SERVICE  
Power ON/ OFF, Volume Control,  
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)  
LED Indicators  
Power ON, Diversity A/ B, Audio  
Peak  
Unwanted Signal Rejection  
60dB image and spurious  
Power Requirements  
DC 12-15V @ 300 mA, AC/ DC  
8-10 Hours (35mA draw typical)  
Dimensions  
UB-10: 4.2x 2.5x .88”  
(10.7 x 6.4 x 2.2 cm)  
UH-10: 9.5x 1.37”  
(24.1 x 3.48cm)  
Weight  
UB-10: 3 oz (84g)  
UH-10: 7.5 oz (210g)  
(U.S.) Should your Nady UHF 10 Wireless Microphone System require  
service, please contact the Nady Service Department via phone at (510)  
652-2411 or e-mail to service@nadywireless.com for a Return Authorization  
(R/ A) Number and a service quote (if out of warranty). Make sure the R/ A  
Number is clearly marked on the outside of the package and enclose a  
cashier's check or money order (if not prepaid with a credit card). Ship the  
unit prepaid to: Nady Systems, Inc., Service Department, 6701 Shellmound  
Street, Emeryville, CA 94608. Include a brief description of the problems  
you are experiencing.  
(International) For service, please contact the Nady distributor in your  
country through the dealer from whom you purchased this product.  
adapter included  
Dimensions  
16x 9.4x 1.73”  
(41.0 x 24.0 x 4.4 cm)  
Weight  
The warranty card enclosed with this system contains additional valuable  
warranty and service information. Keep it in a safe place for future  
possible reference. Do not attempt to service this unit yourself as it will  
void the warranty.  
1.15 lb (0.52 Kg)  
11  
12  
 
 

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