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NADY 151 VR

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 car tridge

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 rvice 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 rization (R/A) Number and a service quote (if out of wa r ra n t y ) . M a ke 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 ri e n c i n g .

The warranty card enclosed with this system contains additional va l u a ble warranty and

s e rvice info r m a t i o n . Keep it in a safe place for possible future reference. Do not attempt to s e rvice this unit yo u rself 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 butor in your country through the dealer from whom you purchased this product.

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

Thank you for purchasing a Nady 151 VR wireless camcorder microphone system—and congratulations on your choice. The 151 VR operates on longrange 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 rm 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.

10

3

NADY 151 VR RECEIVER

Rugged receiver can be camera mounted or worn on the body (with removable belt clip)

Easy hookup to camcorder with supplied connecting cable

Powered by a 9V Alkaline battery in a convenient “pop-open” battery compartment

LED lights indicate low battery and receiver signal

Attached softwire antenna extends from the top of the receiver

Convenient operation with Output Level and Mute Adjusts, separate 3.5mm Audio Output and Monitor Headphone mini jacks and Headphone Volume thumbwheel control with integrated unit OFF/ON switch

Operating Instructions

Powering the Receiver

Slide the receiver’s battery cover open and place a fresh 9V battery in the BATTERY COMPARTMENT (1), observing the correct polarity. Although a fresh alkaline battery can last up to 8-10 hours in use in the receiver, in order to ensure optimum performance it is recommended that the receiver battery be replaced after 5 hours of use. Turn the receiver on by rotating the

ON/OFF/VOLUME WHEEL (8) clockwise. The LOW BATT LED (9) will flash briefly, indicating adequate battery strength. If the LOW BATT LED (9) lights during use, replace battery.

Antenna

When the system is in use, the 151 VR receiver's ANTENNA (2) should be fully extended to obtain maximum range.

Mute Adjustment

In normal operation, the MUTE CONTROL (3) should be set fully counterclockwise to the factory preset RF level of 1 µV. However, in areas of high RF activity, the mute may need to be adjusted. If, with transmitter off, the receiver’s TX LED (4) flickers or stays on, the MUTE CONTROL (3) should be turned clockwise until the TX LED (4) extinguishes.

When the mute is properly adjusted, the TX LED will light only when the

system transmitter is turned on. Note: Turning the mute control too far clockwise will yield

a quieter mute function, but reduce your operating range.

Connecting Audio Output

Plug one end of the audio cable provided into the RECEIVER OUTPUT JACK (5). The other end should be plugged into your camcorder.

(22)

Battery Indicator LED

(21) OFF/STANDBY/ON Switch

(19) Battery Holder

(20)

9V Alkaline Battery

4

9

WHT HANDHELD MICROPHONE TRANSMITTER

Features the Nady DM-10D unidirectional neodymium dynamic cartridge for optimum true sound, maximum feedback rejection and minimal handling noise

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

Operating Instru c t i o n s

1 . U n s cwr ethe BAT T E RY COMPA RTMENT COVER (18) and remove, exposing the BAT T E RY HOLDER (19). I n s e rt a fresh 9V ALKALINE BAT T E RY (20), observing the correct polarity as marked, and screw the c over back on to the microphone. M a ke sure the cover is screwed on

c o m p l e t e l y. A fresh alkaline battery can last up to 15 hours in use, but in order to ensure optimum perfo rm a n c e, it is recommended that you replace the battery after eve ry 10 hours of use.

2 . Tu rn on the WHT by sliding the O F F / S TANDBY/ON SWITCH (21) to the S TANDBY position (transmitter on, audio muted) or the ON position

( t ransmitter and audio both on). The BAT T E RY INDICATOR LED (22) w i l l g i ev 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

c o n t i nu o u s l y, 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 (4) on the 151 V R

r e c e i ver should now be lit, indicating a received signal from the tra n s m i t t e r. When ready to speak, slide the transmitter switch to the ON position.

Receiver Volume Control Adjust

Turn volume control on the 151 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.

N o t e : Microphone elements can easily be destroyed by the buildup of salts and minerals from

p e r s p i ration and saliva . It is good practice to put a windscreen on the mic element at all times to protect it.

Connecting Headphone to Monitor

You can monitor the received signal through headphones to set the transmitter’s level trim properly. Any “Walkman” type headset with a mini plug or mini plug adaptor can be used, although the signal may be heard in only one ear unless a stereo-to-mono adapter jack is used.

Monitoring through Receiver

Plug headphones into HEADPHONE JACK (6) on the receiver. The ON/OFF/VOLUME WHEEL (8) controls volume to the headset. Set the volume to a comfortable level by rotating the VOLUME WHEEL (8). 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 transmitter’s microphone input level per page 6.

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 151 VR receiver. If the sound you hear is uncomfortably loud or sounds distorted, turn the OUTPUT LEVEL CONTROL (7) counter-clockwise until good audio quality is obtained. If

volume is too low, turn

(9) (6) (5) (2)

the OUTPUT LEVEL

(8)

CONTROL (7) clock-

wise until you obtain

comfortable volume.

(4) Transmitter Set-Up

 

After completing

the

(7)

above steps, proceed

to instructions

for

 

 

operating

the Nady

 

transmitter

included

 

with your system.

 

(3)

(1) (on back)

8

5

WLT 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

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

1.Snap open the BATTERY COMPARTMENT (10) and insert a fresh 9V BATTERY (11), observing the correct polarity. Close the compartment.

2.The WLT 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.

(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.)

3.Turn on the WLT 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.

4.The microphone is now ready to use. The TX LED INDICATOR (4) on the 151 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.

(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.)

(17)

Audio Input

Level Control

(16)

(12)

3.5 mm

Battery Indicator LED

Locking Jack

(15)

(14)

Headworn

OFF/STANDBY/

Microphone

ON Switch

 

(13)

Lavalier/Lapel

(10)

Battery

Compartment

Opening Battery Compartment

(11)

9V Alkaline Battery

 

6

7