SERVICE FOR YOUR NADY AUDIO PRODUCT
(U.S.) Should your WA-1620U product require service, please contact the Nady Service Department
via telephone at (510) 652-2411, or e-mail at [email protected].
WA-1620U
32 Channel UHF Portable Wireless Amplifier
(International) For service, please contact the NADY SYSTEMS distributor in your country through
the dealer from whom you purchased this product.
DO NOT ATTEMPT TO SERVICE THIS UNIT
YOURSELF AS IT CAN BE DANGEROUS AND
WILL ALSO VOID THE WARRANTY.
NADY SYSTEMS, INC. • 6701 SHELLMOUND STREET, EMERYVILLE, CA 94608
USER MANUAL
CONTROLS FOR THE WA-1620U RECEIVER/AMPLIFIER
CONTROLS FOR THE WH-16U HANDHELD MICROPHONE
(2)
(3)
(27) Microphone Power Switch
(28)
(29)
(27)
(28) Microphone Power Indicator
(29) Microphone Infrared Wire Interface
(30) Antenna
(31) Bracket Connection
(32) Mic Stand Clip
(4)
(9)
(1)
BATTERY INSTALLATION
• Remove the aluminum battery cover at the transmitter’s
base by rotating the locking rotary counter-clockwise
• Insert the batteries, taking care to observe proper polarities.
• Replace the cover and rotate clockwise into locked position
(10)
(11)
(5)
(6)
(7)
(8)
(30)
BACK
(17)
FRONT FACE
(31)
(32)
(16)
(18)
(1) Power Switch
(2) Main Volume Control
(14)
(12)
(3) LCD Interface
(4 ) Infrared Wire Interface of the Receiver
(5) Tone Control
OPERATING THE WH-16U HANDHELD MICROPHONE
(6) Auxiliary Input Volume
(15) RX
(7) Auxiliary Input Jack
• Press the Transmitter Switch (27) to "ON". The Indicator (20) will light for about two seconds
indicating useable battery strength for operation and then shut off.
(8) Auxiliary Output Jack
(9) LCD Function Setup Key
(10) Fasteners of Power Cord Compartment
(11) Power Cord Compartment
(12) Channel Display
(13)
NOTE: If the Power Indicator (28) doesn’t light momentarily when first turning on the unit or flashes
during use, please change the batteries. If it lights all the time, please re-adjust the channel again.
To avoid feedback whistling or howling, keep the mic behind the receiver’s speaker and at least 5-
10 feet away. Adjust positions and volume as needed to eliminate feedback interference.
(15) TX
LCD INTERFACE
(13) Audio Level (AF) Display
(14) Signal Strength (RF) Display
(15) Battery Status Display (RX-TX)
(16) Auto-Search Open Channel Indicator
(17) RX-TX Infrared Link Indicator
(18) Manual Channel Select Indicator
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OPERATING THE WA-1620U RECEIVER/AMPLIFIER
CONTROLS FOR THE WL-16U BODYPACK TRANSMITTER
(25)
(20)
• Press the Power Switch (1) to turn on the receiver.
• The LCD display will display the channel and battery status.
(19) Power Switch
(20) Power Indicator
• Adjust the Volume Switch (2) for the level desired.
(19)
(21)
NOTE: If the LCD display doesn’t display the unit’s battery is low. Please charge first before using,
after turning the unit off with the power switch (1). The WA-1620U will automatically shut off when
power is too low for operation and must be recharged before further usage. The unit can also be
used with the AC power, and such operation will also charge the battery simultaneously while using.
If the unit is amplifying continuous high audio levels then the internal AC adapter may not provide
enough power for full operation and you’ll need to let battery charge for a while to build up a power
reserve before using again with AC.
(21) Infrared Wire Interface of the Transmitter
(22) Volume Control
(22)
(23)
(23) Volume Lock
(24) Strap Clip
(25) Lavaliere Microphone Jack
(24)
Adjusting Frequency Channel
BATTERY INSTALLATION
• Press the Battery Cover (26) outward as indicated by
the embossed arrow to pop open the battery
compartment
Auto-Searching For Open Channels
Continuously press the button labeled "OK" for 3 seconds. "
screen. Release pressing "OK". The WA-1620U receiver will go into Auto-Searching Status. The
buzzer will sound continuously when the receiver has found an open channel.
" will appear and flash on the
• Insert the batteries. (Pay attention to the correct
polarity.) Close and slide the battery cover back to the
locked position
Changing the Transmitter Channel Automatically
After the receiver’s channel has been selected above, and the receiver is still buzzing, hold the
Infrared Wireless Interface (20 & 29) of the transmitter (body pack or handheld mic) several inches
from the Infrared Wireless Interface (4) of the receiver. Turn on the switch (19 or 27) of the body
pack or handheld transmitter and wait a few seconds for the receiver buzzing to stop, which signals
the successful programming of the channel selected on the receiver into the transmitter.
NOTE: Please avoid doing the above in bright sunlight as it may effect the infra-red data transfer.
(26)
OPERATING THE WL-16U BODYPACK TRANSMITTER
Selecting the Receiver’s Operating Channel Manually
• Insert the Lavaliere Microphone into the transmitter’s microphone jack (25)
• Press the Transmitter Switch (19) to "ON". The Indicator (20) will light for about two seconds
indicating useable battery strength for operation and then shut off.
• Space the microphone about 6-12 inches from the mouth for best sound.
• To adjust the transmitted volume level for best audio, press the Volume Lock switch (23) on the
side of the transmitter to "H or L", and then the Volume Adjusting Rotary control (22) can be
• Press "
• Select Manual Channel Select mode "
• Press "OK" to select the channel displayed. It will change every time "OK" is pressed
• Select the Infrared Link mode " " by using " " " " and press "OK," the buzzer will sound
" for three seconds to enter into the function setup mode
" by using and " " "
"
continuously. Proceed to transfer this channel info to the wireless microphone or the body pack
transmitter as above.
adjusted for optimum audio. If the sound is distorted, either move the mic farther from the mouth
or turn down this control (22) to lower the audio level input to the transmitter.
Operating with Auxiliary Equipment
Operating the Audio Input
• Insert the audio input, such as from a wired microphone, Walkman or CD player into the
Auxiliary Input (7)
• Adjust the Auxiliary Volume Control (6) of the Auxiliary Input
NOTE: If the Power Indicator (20) doesn’t light momentarily when first turning on the unit or flashes
during use, please change the batteries. If it lights all the time, please re-adjust the channel again.
When the power switch is on "ST," then the receiver will be on mute status, and the system will be
quiet and operating without sound. To avoid feedback whistling or howling, keep the mic behind the
receiver’s speaker and at least 5-10 feet away. Adjust positions and volume as needed to eliminate
feedback interference.
Operating the Audio Output
• Auxiliary Output (8) is the output jack of the audio signal and can be connected with amplifying
and recording equipment
NOTE: The Main Volume Rotary control (2) should be used to adjust the audio output volume
Methods for Increasing the Audio Volume
• A single wireless microphone can be used simultaneously with any number of receivers on the
same frequency for added amplification of the volume in a given location.
• Higher power audio amplifiers can also be connected to the Output (8) for increased loudness.
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