Nady Systems 351VR User Manual

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Connecting Audio Output  
Plug one end of the audio cable provided into the AUDIO OUTPUT JACK  
(7). The other end should be plugged into your camcorder.  
WLT-15 LAVALIER BODYPACK TRANSMITTER  
• OFF/STANDBY/ON switch allows convenient audio muting with the  
transmitter “ON”  
• Low battery LED indicator flashes once for unit “ON”; lights steady for low  
battery alert  
Connecting Headphone to Monitor  
You can monitor the received signal through headphones, and you will need  
to monitor to set the transmitter’s level trim properly. Any “Walkman” type  
headsets with a minijack or minijack adaptor can be used, though the signal  
may be heard in only one ear unless a stereo-to-mono adapter jack is used.  
• Locking 3.5mm mini-jack provides secure connection for removable  
microphone or instrument cable  
• Easily accessible input level adjust control for optimum sound  
Operating Instructions  
Monitoring through Receiver  
Plug headphones into HEADPHONE JACK (8) on the receiver. The  
ON/OFF/VOLUME WHEEL (2) controls volume to the headset. Set the  
volume to a comfortable level by rotating the volume wheel. You will be able  
to hear the received signal to the receiver when the system is operational.  
This is the monitoring method necessary when adjusting the WLT-15  
transmitter’s microphone input level per page 6.  
1. Snap open the BATTERY COMPARTMENT (10) and insert a fresh 9V  
BATTERY (11), observing the correct polarity. Close the compartment.  
2. The WLT-15 is provided with a 3.5 mm LOCKING JACK (12) for  
connecting the microphone. Plug in either the LAVALIER/LAPEL (13) or  
the HEADWORN MICROPHONE (14), as supplied. To secure the  
connection, turn the metal slip ring on the plug clockwise to thread it on to  
the jack. To unplug, reverse the process. Slip the transmitter into a pocket  
or clip on to your clothes. To use the lavalier mic, attach it at chest level.  
Do not place too close to the mouth – a distance of about six inches usually  
works best. To use the headworn mic, place it on the head and adjust the  
mic boom so that the mic is about one inch to the side of the front of the  
mouth.  
Monitoring through Camcorder  
Many camcorders allow the user to monitor by providing a headphone jack.  
If you plug your headphones into the camcorder, you may need to make a  
simple adjustment on the 351 VR receiver. If the sound you hear is  
uncomfortably loud or sounds distorted, turn the AUDIO LEVEL CONTROL  
(9) on the back of the  
receiver counter-clockwise  
until good audio quality is  
obtained. If volume is too  
low, turn the AUDIO LEVEL  
CONTROL (9) clockwise  
until you obtain comfortable  
volume.  
(9)  
(5)  
(7)  
(Note: The lavalier or headworn mic wire is also the transmit antenna, and rolling up or  
shortening the wire may reduce the effective operating range. Extend the wire fully during use,  
and keep it as straight as possible.)  
(4)  
(8)  
3. Turn on the WLT-15 by sliding the OFF/STANDBY/ON SWITCH (15) to  
the STANDBY position (transmitter on, audio muted) or the ON position  
(transmitter and audio both on). The BATTERY INDICATOR LED (16) 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.  
(2)  
(3)  
Transmitter Set-Up  
After completing the above  
steps, proceed to instructions  
for operating the Nady trans-  
mitter included with your  
system.  
M
T
(6)  
EMS  
(1)  
C.  
SYST  
IN  
4. The microphone is now ready to use. The TX LED INDICATOR (6) on  
the 351 VR receiver should now be lit, indicating a received signal from the  
transmitter. When ready to speak, slide the transmitter switch to the ON  
position and adjust the volume of the receiver as per instructions on page  
5. Re-position the microphone farther from the source or adjust the AUDIO  
INPUT LEVEL CONTROL (17) if the monitored volume is to loud or  
distorted afer adjusting the receiver as per instructions on page 5.  
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WHT-15 HANDHELD MICROPHONE TRANSMITTER  
• Features the Nady DM-10D unidirectional neodymium dynamic cartridge  
for optimum true sound, maximum feedback rejection and minimal  
handling noise  
(Note: Microphone elements can easily be destroyed by the buildup of salts and minerals from  
perspiration and saliva. It is good practice to put a windscreen on the mic element at all times to  
protect it.)  
• OFF/STANDBY/ON switch allows convenient audio muting with the  
transmitter "ON"  
(17)  
Audio Input  
Level Control  
• Low battery LED indicator flashes once for unit "ON"; lights steady for low  
battery alert  
(12)  
(16)  
3.5 mm  
Locking Jack  
Battery Indicator LED  
Operating Instructions  
1. Unscrew the BATTERY COMPARTMENT COVER (18) and remove,  
exposing the BATTERY HOLDER (19). Insert a fresh 9V ALKALINE  
BATTERY (20), 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 15 hours in use, but in  
order to ensure optimum performance, it is recommended that you replace  
the battery after every 10 hours of use.  
(14)  
(15)  
Headworn  
Microphone  
OFF/STANDBY/  
ON Switch  
(13)  
Lavalier/Lapel  
2. Turn on the WHT-15 by sliding the OFF/STANDBY/ON SWITCH (21) to  
the STANDBY position (transmitter on, audio muted) or the ON position  
(transmitter and audio both on). The BATTERY INDICATOR LED (22) 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 microphone is now ready to use. The TX LED (6) on the 351 VR  
receiver should now be lit, indicating a received signal from the transmitter.  
When ready to speak, slide the transmitter switch to the ON position.  
(10)  
Battery  
Compartment  
Receiver Volume Control Adjust  
Turn volume control on the 351 VR receiver clockwise to near full gain.  
Wearing a monitor headset plugged into the receiver's headset jack, speak  
into the lavalier microphone. Adjust the receiver's volume to a comfortable  
listening level.  
Note: Microphone elements can easily be destroyed by the buildup of salts and minerals from  
perspiration and saliva. It is good practice to put a windscreen on the mic element at all times to  
protect it.  
(11)  
Opening Battery Compartment  
9V Alkaline Battery  
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SPECIFICATIONS  
Overall System Performance  
Frequency Response ....................................................................................25 - 20,000 Hz ± 3 dB  
Operating Frequency Range ......................................Choice of 5 channel between 170-216 MHz  
Dynamic Range..........................................................120 dB (max SPL to A-weighted noise level)  
Harmonic Distortion ..............................................................................................................< 0.3%  
Frequency Stability ..................................................................................±.005%, crystal controlled  
Modulation ..................................................................................................................FM, ± 15 KHz  
Operating Range ......................................................Up to 250 feet (depending on site conditions)  
351 VR Receiver  
Controls ......................................................Headphone volume controls with unit OFF/ON switch,  
Mute adjust, Audio output level adjust  
Audio output ....................................................................................................600 ohm unbalanced  
Connectors ..............................Audio output; 3.5 mm mini jack; Headset output; 3.5 mm mini jack  
LED Indicators.............."TX" on; “LOW BATT”: unit "ON" (single flash), Low Battery Alert (steady)  
Mute ............................................................................Externally adjustable; 1 µV preset minimum  
Unwanted Signal Rejection ....................................................................60 dB image and spurious  
Power Requirements ..............................................................................Single 9V alkaline, internal  
Antenna ............................................................................................................Softwire, detachable  
(21)  
OFF/STANDBY/ON Switch  
(18)  
(22)  
Battery Indicator LED  
Battery  
Compartment  
Cover  
WLT-15 Lavalier Bodypack Transmitter  
Audio Input ..............................3.5 mm mono locking jack for connecting to omni or unidirectional  
lavalier mic or unidirectional head worn mic, with phantom power.  
Controls......................................................................OFF/STANDBY/ON switch, input level adjust  
LED Indicators ..................................................Unit "ON" (single flash), Low Battery Alert (steady)  
RF Power Out ........................................................................50 mW (maximum allowed by FCC)  
Harmonic and Spurious Emissions ....................................................................................> -40 dB  
Battery ............................................................................................................................9V alkaline  
Battery Life ................................................................................................................Up to 15 hours  
WHT-15 Handheld Microphone Transmitter  
Audio Input................................................................Nady DM-10D neodymium dynamic cartridge  
Controls ..................................................................................................OFF/STANDBY/ON switch  
LED Indicators ..................................................Unit "ON" (single flash), Low Battery Alert (steady)  
RF Power Out ........................................................................50 mW (maximum allowed by FCC)  
Harmonic and Spurious Emissions ....................................................................................< -40 dB  
Battery ............................................................................................................................9V alkaline  
Battery Life ................................................................................................................Up to 15 hours  
(22)  
Battery  
Indicator LED  
(21)  
OFF/STANDBY/ON  
Switch  
Service for your Nady Wireless System  
(U.S.) Should your wireless 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 problem you are  
experiencing.  
(19)  
Battery Holder  
The warranty card enclosed with this system contains additional valuable warranty and  
service information. Keep it in a safe place for possible future reference. Do not attempt to  
service this unit yourself as it will void the warranty.  
(20)  
(18)  
9V Alkaline Battery  
Battery  
Compartment  
Cover  
(International) For service, please contact the Nady distributor in your country through the dealer  
from whom you purchased this product.  
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