Alecto FR-58 Mode D'emploi page 77

8-CHANNELSCAN:
The 8-channel scan function allows you to listen to all channels in
turn.
5x
press the M button 5x, 'SCAN' will start
flashing on the display together with the
channel number you have selected
press the button
channel scan
= scan in ascending channel order,
= scan in descending channel order)
as soon as a signal is being received on a
channel, the scan will stop to reproduce that
signal; a second after the signal stops, the
scan will be continued
press the button
scanning when you hear nothing but noise
on the current channel
press the PTT button to end the scan
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or to start the
or to continue