Audiovox GMRS121-2 - Manual (Page 12)

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VOX Selection Mode
This option enables you to have hands-free conversation. When using the
internal microphone/speaker, your voice or the signal is detected and the
radio transmits and receives automatically. Your voice or nearby sound is
detected and the radio transmits without the need to press the PTT but-
ton.
To set the radio for VOX operation:
- From GMRS/FRS standby mode, press and hold the MODE button
for 2 seconds, or until the VOX icon appears on the display.
- To terminate VOX operation, press and hold the MODE button for at
least 2 seconds; the VOX indication will disappear.
Button Beep (Key Tone)
This feature allows the transceiver to sound a confirmation tone whenever
the following keys are pressed: Power On/Off/SCAN Button, Up/Down But-
tons and MODE Button. This feature is always on.
Call Ringer Selection Mode
The transceiver provides a transmit call ring melody at the receiving unit to
alert you to an incoming call.
To activate the call ringer melody:
- From GMRS/FRS standby mode, press the PTT button twice in quick
succession; a call ring melody will sound at the receiving unit to alert
the user to an incoming transmission, provided that unit is equipped
with this capability and is set to the same channel.
Channel Scan Operation
This feature allows you to monitor all channels automatically for valid
signals. While scanning, you can transmit and receive. When a signal is
received, the scan is interrupted and will return to scan mode approxi-
mately 5 seconds after reception is terminated.
NOTE: In addition, the scan mode will reduce the overall battery life
since the battery save function is overridden.