Audiovox GMRS-1545 - Manual (Page 9)

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corner of the LCD Panel (5) will light red while the PTT Button is pressed and
the signal indicator will display the relative strength of the transmitted signal.
Releasing the button allows the unit to revert to standby mode. When receiving
an incoming signal, the Transmit/Monitor LED indicator will light
green and
the received signal strength indicator ( ) will display the relative
strength of the signal.
The PTT Button can also be used as a two-way call ringer. Pressing the
button twice quickly will call another party on the same channel. The Transmit
LED will light
red for approximately 3 seconds and then go out.
Up Channel/Volume Button (9)
In the standby mode, pressing this button ( ) will increment the listening
volume. When in function edit mode this button will be used to adjust the
unit’s settings.
Down Channel/Volume Button (13)
In the standby mode, pressing this button ( ) will decrement the listening
volume. When in function edit mode this button will be used to adjust the
unit’s settings.
Mode Button (11)
This button is used to select various feature settings in the GMRS or weather
band mode. Holding the MODE button longer than 2 seconds will toggle
between the GMRS and weather band modes.
Emergency (EMG) Call Button Button (8)
This radio has a quick access button (EMG) to the Emergency and Assistance
Channel. This channel is not monitored by local authorities. When using
this channel,
EMG appears on the display. Pressing this button will set the
transceiver to the channel 10 (462.6750 MHz).