Audiovox GMRS7001 Owner's Manual page 14

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 5 seconds
after reception is terminated.
NOTE:
While the scan function is active, the MODE button will be inoperative. The
scan mode will reduce the overall battery life due to the battery save
function is overridden.
To enable the channel scan mode,
- From GMRS/FRS standby mode, momentarily press the SCAN
Button ; SCAN icon will appear on the LCD display.
- The radio will display each channel (1-22) in order as the scan mode
operates to find an active main channel.
- When unit doesn't find any signals and you want to transmit, press
the PTT switch to return to home channel operation. The transceiver
will automatically resume scanning approximately 5 seconds after
the communication is completed.
- If there is no activity and you want to leave the scan mode, press the
SCAN button momentarily and the unit will return to normal operation;
(SCAN) icon will disappear from the LCD display.
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