Before installing batteries, determine if they are carbon zinc, heavy duty, alkaline or rechargeable. Open the battery
compartment door and locate the “ALK/NiMH” switch, if using carbon zinc, heavy duty or alkaline batteries slide the
switch to the“ALK”position. NiMH rechargeable batteries slide the switch to the“NiMH”position.
Install (2) AA style batteries by pressing them into place, observing the proper battery polarity. Incorrect insertion may
cause both mechanical and electrical damage not covered by the limited lifetime warranty. Units will not work if the
batteries are incorrectly installed.
Plug the headphone/earphone into the 3.5mm audio output jack located on the top of the receiver housing. The
headphone/earphone cable acts as the receiver antenna. Do not bunch up the cord, wrap it tightly around your body
or wrap it around the receiver housing. For maximum range, the cord should hang loosely from the
headphone/earphone to the receiver. Use only Talk and Listen approved headphone/earphone, substitutions can
transmitter and receiver(s).
Turn the power switch on top of the Receiver to“ON”. The LCD backlight will appear and stay on until it detects 10
backlight will automatically
come back on once any of the control buttons are pressed again.
The headphone/earphone volume level on the receiver automatically defaults to “3” at start up to protect the user
from accidental ear damage. To view and adjust the volume level press the“+”or“-“buttons on the front panel, the LCD
backlight will automatically light up and the volume setting number will appear on the LCD display. To adjust the
volume level use the“+”or“-“ buttons to set at an appropriate listening level. Once the receiver detects 10 seconds of
open the battery compartment door, locate the“LOCK”button, press and hold for three seconds to unlock the receiver.
The”lock”icon on the LCD display will disappear indicating the unit is now unlocked for programming. Using the“+” or
“-“ buttons on the front panel to scroll through the available channels, select the channel. After 10
seconds on inactivity the receiver will automatically lock and the“LOCK”icon will reappear on the LCD display and the
to the headphone/earphone when there is an extremely weak signal that is weaker than the noise it is receiving or
there is no radio signal at all, either way creates annoying uncomfortable noise. This feature stops the
headphone/earphone from being able to produce the unwanted noise. The squelch setting is preset at the factory to
“3”; this is a general setting which will work for most environments. To see what squelch setting your receiver is set on,
open the battery compartment door, locate the“SET”button, press once and the squelch“SQL”number will appear on
the LCD display, it will be displayed for 5 seconds and then disappear. To adjust the squelch setting, open the battery
compartment door, locate the“LOCK”and“SET”buttons, press both simultaneously for a few seconds and the squelch
“SQL” number will appear on the LCD display, use the “+” or “-“ buttons on the front panel to choose a new setting.
After 10 seconds on inactivity the Receiver will automatically lock, the“LOCK”icon will reappear on the LCD display and
USING THE ARG-RX72BP RECEIVER
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