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The WA-120 contains a built-in high quality quartz-locked, xed
frequency VHF wireless receiver precisely matched to the Nady WHT
or WLT transmitter supplied; therefore generally no adjustments
besides audio volume are required. In high RF activity environment, the
MUTE (16) also needs adjusting to eliminate interference.
• After the amplier has been turned on by the main Power switch
(2), turn the wireless receiver’s MIC/TS Volume control (7) slightly
clockwise.
• Switch on the wireless microphone and the RF receiving indicator (6)
will light up indicating normal reception.
• Adjust the MIC/TS Volume control (7) clockwise (CW) for the desired
audio level.
• The MUTE control (16) affects the usable distance. Turn CCW for
maximum range or CW for minimum range, which also reduces the
chance of RF interference and resulting audio noise at the limit of
the operating range or when transmitter is off. A range walk test will
determine the required setting.
Note: If using more than one wireless microphone (handheld and/
or bodypack) on the same frequency, switch only one on at a time.
Microphones on the same frequency will interfere with each other.
However, one wireless microphone can be used with two or more
WA-120 wireless ampliers with the same frequency simultaneously to
increase the overall sound level.
WA-120 WIRELESS MICROPHONE RECEIVER OPERATION
WHT Handheld Microphone Transmitter
8
3
2
1
Battery LED
Power Switch
Battery Tube