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S P E C I F I C AT I O N S
Overall System Performance
Frequency Response ....................................................................................25 - 20,000 Hz ± 3 dB
Dynamic Range..........................................................120 dB (max SPL to A-weighted noise level)
Harmonic Distortion ..............................................................................................................< 0.3%
RF Carrier Frequency....................................One of four standard channels in the VHF high band
Frequency Stability ..................................................................................±.005%, crystal controlled
Modulation ..................................................................................................................FM, ± 15 KHz
Operating Range ......................................................up to 250 feet (depending on site conditions)
151 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 ................................................................................................................Attached Softwire
WLT 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 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
S e r vice for your Nady Wi reless System
( U . S . ) Should your wireless system require serv i c e , please contact the Nady Service Depart m e n t
via telephone at (510) 652-2411 or e-mail to serv i c e @ n a d y.com for a Return Au t h o r ization (R/A)
Number and a service quote (if out of wa r r a n t y ) . M a k e 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, Emery v i l l e , CA 94608.Include a brief description of the problem you are ex p e r i e n c i n g .
The warranty card enclosed with this system contains additional va l u a b le warranty and
s e rvice info r m a t i o n . Keep it in a safe place for possible future refe r e n c e. Do not attempt to
s e rvice this unit yo u r self as it will void the warranty.
( I n t e r n a t i o n a l ) For serv i c e , please contact the Nady distri b utor in your country through the dealer
from whom you purchased this product.
3
Thank you for purchasing a Nady 151 VR wireless camcorder microphone
system—and congratulations on your choice. The 151 VR operates on long-
range interference-free VHF high band frequencies. It also utilizes a patented
companding noise reduction system for excellent dynamic range (120 dB) and
hiss-free perfo r m a n c e .The 151 VR will make a tremendous difference in yo u r
v i d e o s , adding professional quality audio to eve ry production.
Using this Manual
Please read these instructions completely before operating your unit. T h i s
booklet gives instructions for the operation of the Nady 151 VR wireless
system which consists of a wireless receive r, an audio cord to connect the
r e c e i ver to your camcorder, and a wireless microphone transmitter—either the
W LT lavalier or Nady WHT handheld.
TABLE OF CONTENTS
Using this Manual..................................................................3
151 VR Receiver ..................................................................4
WLT Lavalier Bodypack Transmitter ......................................6
WHT Handheld Microphone Transmitter ..............................8
Specifications ......................................................................10
Service ................................................................................10
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