Nady Systems Microphone UHF3HT48055 User Manual

UHF-3  
Single Channel UHF DigiTRU Diversity  
Wireless System  
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UHF-3 RECEIVER  
5. Connecting the Audio Output  
The UHF-3 receiver provides both a fixed mic level BALANCED MIC AUDIO OUTPUT  
XLR (7) and an adjustable line level AUX AUDIO OUTPUT 1/4" jack (10).  
1. Rackmounting the Receiver  
There are 2 options available for rackmounting the UHF-3 receiver: singly or side-by-  
side with another UHF-3 Series receiver.  
a. Single mounting: Remove the receiver SIDE MOUNT CLIP (1) from each side of  
the receiver (as shown) and slide in the optional ERM-3 RACK EARS (2).  
b. Side-by-side double mounting: After removing the SIDE MOUNT CLIPS (1) from  
both UHF-3 receivers, join the two receivers with the EJC-3 JOINING CLIP  
(3) and attach the ERM-33 RACK EARS (4) as shown. (Note: Do not mount  
the receiver in a rack directly above an amplifier or other source of high heat –  
this could degrade the performance of the UHF-3. Always ensure adequate  
airflow and heat dissipation in any rack configuration.)  
(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.)  
Microphone Connection  
(using the UB-3 transmitter with either a headworn or lavalier microphone or the  
UH-3 handheld microphone transmitter) For microphone use, either the BALANCED  
MIC AUDIO OUTPUT XLR (7) 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.  
2. Powering the Receiver  
Plug the 12V AC/DC ADAPTER (5) provided into the DC INPUT JACK (9) on the back  
of the receiver. Then plug the power supply into an AC outlet. (Note: Any 12V DC  
source with 400mA capability can also be used.) Press the POWER SWITCH (11)  
once to turn on the receiver. The POWER ON LED (12) will now light and the receiver  
is operational.  
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.  
3. Antennas  
The UHF-3 receiver is supplied with TELESCOPIC ANTENNAS (15). These should be  
extended fully to obtain maximum range. Optimal antenna position is 45 degrees  
from the receiver (at 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.  
The UHF-3 receiver is equipped with a 5 segment LED AF LEVEL DISPLAY (14).  
Occasional flickering of the top AF Peak LED indicator on loud inputs to the  
transmitter is normal. If this LED lights continuously, decrease the volume to the  
transmitter or overload distortion may result.  
4. Mute (Squelch) Adjustment  
In normal operation, the SQUELCH CONTROL (6) 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 receivers A  
and/or B DIVERSITY LED INDICATORS (13) 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 units 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 re-establish the radio link.  
5
4
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UH-3 HANDHELD MICROPHONE TRANSMITTER  
15  
15  
Unscrew the BATTERY COMPARTMENT COVER (16) and remove, exposing the  
BATTERY HOLDER (17). Insert 2 fresh AA ALKALINE BATTERIES (18), observing the  
correct polarity as marked, and screw the cover back on to the microphone. Make  
sure the cover is screwed on completely. Fresh alkaline batteries can last up to 10  
hours in use, but in order to ensure optimum performance, it is recommended that  
you replace the batteries after every 7-8 hours of use.  
Turn on the UH-3 by sliding the audio MUTE SWITCH (19) to the OFF position first.  
Then slide the POWER SWITCH (21) to the ON position. The TX LED indicator (22)  
will stay on. The battery indicator LED (20) 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 batteries should be  
replaced with fresh ones. To preserve battery life, turn the transmitter off when not in  
use.  
12  
11  
14  
13  
The microphone is now ready to use. The A and/or B DIVERSITY LED INDICATORS  
(13) on the UHF-3 receiver should now be lit, indicating a received signal from the  
transmitter. When ready to speak, slide the audio MUTE SWITCH (19) to the ON  
position. Adjust the volume of the receiver as per the Audio Output Microphone  
Connection section of the above UHF-3 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.]  
5
9
8
6
10  
7
18  
17  
1
2
2
21  
22  
1
20  
19  
4
16  
3
4
6
7
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UB-3 BODYPACK MICROPHONE TRANSMITTER  
(Note: Scratchy noises can sometimes occur when some electric guitars with dirty pots  
or connections are used with any wireless system. Therefore, the supplied  
INSTRUMENT CORD (34) 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. Open the hinged BATTERY DOOR (23) and insert 2 fresh AAA ALKALINE  
BATTERIES into the BATTERY COMPARTMENT (24), observing the correct polarity.  
Fresh alkaline batteries can last up to 5 hours in use, but in order to ensure optimum  
performance, it is recommended that the batteries be replaced after 3-4 hours of use.  
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 guitars  
volume and tone pots will provide extra filtering.)  
2. The UB-3 is equipped with an INPUT SELECTOR SWITCH (32) located under the  
cover 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.  
6. Microphone Use (with either a lavalier or headworn microphone)  
3. The UB-3 is provided with a 3.5 mm LOCKING JACK (26) for connecting the audio  
input selected. Connect either the INSTRUMENT CORD (34) or the HEADWORN MIC  
(35) or LAVALIER MIC CORD (36) 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  
(33) it on to your clothes or instrument strap (if using the UB-3 as an instrument  
transmitter).  
Secure the connection from the LAVALIER (36) or HEADWORN MIC CORD (35) 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. When ready  
to speak, slide the audio MUTE SWITCH (27) to the ON position. Adjust the volume of  
the receiver as per the Audio Output Microphone Connection section of the above  
UHF-3 receiver instruction  
4. Turn on the UB-3 by sliding the audio MUTE SWITCH (27) to the ON position first.  
Then slide the POWER SWITCH (29) to the ON position. The battery indicator LED  
(28) will give a single quick flash, indicating usable battery strength. In the case of  
dead or low batteries, the LED will either not go on at all or will stay on continuously,  
indicating that the batteries should be replaced with fresh ones. To preserve battery  
life, turn the transmitter off when not in use. The A AND/OR B DIVERSITY LED  
INDICATORS (13) on the UHF-3 receiver should now be lit, indicating a received  
signal from the transmitter.  
[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 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].  
5. Instrument Use  
Secure the connection from the GT CABLE (34) by turning the slip ring on the plug  
into the transmitter clockwise to thread it on the jack. To unplug, reverse the process.  
Plug the 1/4phone plug into the instrument. When ready to play, slide the audio  
MUTE SWITCH (27) to OFF position Adjust the volume of the receiver as per the  
Audio Output Instrument Connection section of the above UHF-3 receiver instruction.  
For optimum performance, an INPUT LEVEL CONTROL (25) is provided. Adjust the  
gain by turning the control with a small screw driver. 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, 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.)  
(Note: The INPUT LEVEL CONTROL (25) is deactivated and not used when the UB-3 is  
in INSTRUMENT mode. Levels should be adjusted with the volume control of your  
instrument.)  
The UHF-3 receiver is equipped with a 5 segment LED AF LEVEL DISPLAY (14).  
Occasional flickering of the top AF Peak LED indicator on loud inputs to the  
transmitter is normal. If this LED lights continuously, turn down the INPUT LEVEL  
CONTROL (25) on the UB-3 transmitter, or noticeable distortion may result.  
The UHF-3 receiver is equipped with a 5 segment LED AF LEVEL DISPLAY (14).  
Occasional flickering of the top AF Peak LED indicator on loud inputs to the  
transmitter is normal. If this LED lights continuously, but if the LED stays lit  
continuously, turn down the INPUT LEVEL CONTROL (25) on the UB-3 transmitter, or  
noticeable distortion may result.  
9
8
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SPECIFICATIONS  
UHF-3 OVERALL SYSTEM PERFORMANCE  
Frequency Response  
Dynamic Range  
30 Hz - 18 KHz, +/3 dB  
26  
27  
120 dB  
29  
28  
Total Harmonic Distortion  
RF Carrier Frequency Range  
Frequency Stability  
Modulation  
< 0.6%  
UHF, choice of single frequencies from 470-500 MHz  
+/- 0.005%, crystal controlled  
FM (F3E), +/-20KHz normal  
Up to 250 ft. typical (depending on site conditions); up to  
500+ feet optimum line-of-sight  
Operating Range  
RECEIVER  
Reception Mode  
Squelch  
Controls  
Connectors  
DigiTRU Diversity(Dual Antenna)  
External Control, Tone Key (30.720 KHz)  
Power ON/OFF, Volume Control, Squelch (Mute) Adjust  
DC in, 1/4(6.3 mm) unbalanced phone jack (360 mV/  
no load), XLR balanced output (+/-24 mV/600 Ohm load)  
Power ON, Diversity A/B, Audio Peak  
60dB image and spurious  
DC 18V @ 250 mA, AC/DC adapter included  
1.75" x 7.5" x 8.1" (4.4 x 19 x 20.7 cm)  
1.6 lbs (.73 kg)  
33  
31  
32  
LED Indicators  
Unwanted Signal Rejection  
Power Requirements  
Dimensions (Max.)  
Weight  
Antenna  
11.2" (28.5 cm), dual telescopic  
TRANSMITTERS  
Audio Inputs  
25  
UB-3 Bodypack: 3.5mm locking mini-jack, 3-way select  
switch for inputs: instrument, headworn mic,  
or lavalier mic  
UH-3 Handheld: Integral Nady DM-10D neodymium  
dynamic cartridge  
24  
Controls  
UB-3: POWER/MUTE ON/OFF, INSTRUMENT/  
HEADWORN MIC/LAV MIC, INPUT LEVEL  
UH-3: POWER/MUTE ON/OFF  
23  
LED Indicator  
UB-3: Bicolor, Unit ON(green), Low Battery  
Alert (orange)  
UH-3: Unit ON(single flash), Low Battery Alert (steady)  
50mW nominal (maximum allowed by FCC)  
< 50 dB  
UH-3: AA Alkaline (2x) UB-3: AAA Alkaline (2x)  
UH-3: 8-10 Hours (150mA draw typical) UB-3: 4-5 Hours  
UB-3 Bodypack: 3.25x 2.187x 1”  
(8.25 cm x 5.53 cm x 2.54 cm)  
RF Power Out  
Harmonic & Spurious Emissions  
Battery  
Battery Life  
Dimensions  
UH-3 Handheld: 2x 9”  
(5.08 cm x 22.86 cm)  
Weight  
UB-3 Bodypack: 2.25 oz (0.064 kg) without battery  
UH-3 Handheld: 10.15 oz (0.28 kg) without battery  
34  
35  
36  
11  
10  
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SERVICE  
(U.S.) Should your Nady Wireless Microphone System require service, please contact  
the Nady Service Department via telephone at (510) 652-2411 or e-mail to  
[email protected] 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.  
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.  
(International) For service, please contact the Nady distributor in your country  
through the dealer from whom you purchased this product.  
Nady Wireless Systems are type accepted under FCC rules parts 90, 74 and 15. The  
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 interference that may  
cause undesired operation.  
NADY SYSTEMS, INC.  
6701 Shellmound Street Emeryville, CA 94608 USA  
Tel: 510/652-2411 Fax: 510/652-5075  
OWNER'S MANUAL  
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