Retevis T-628 User Manual And Instructions page 6

To avoid accidentally changing your radio settings, press and hold ©
3 seconds or until «
volume, receive, transmit, send a call tone, and monitor channels. All other
functions are locked.
To unlock the radio, press and hold © for 3 seconds or until ®
longer displayed.
Use scanning to monitor channels for transmissions or to find someone in
your group who has accidentally changed channels.
To start scanning, briefly press and release ^
displays. When the radio detects channel activity, it stops scanning and you
can hear the transmission. To respond to the transmission, press PTT within
5 seconds.
If the radio stops scanning on a channel you do not w ant to listen to, briefly
press and release UP or D O W N button to resume scanning for the next
active channel.
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To remove a channel so the radio does not stop on it while scanning, press
and hold IIP or DOWN for at least 3 seconds, then release. This temporarily
removes the channel from the scan list
To restore the channel, turn the radio off and then back on
displays. You can turn the radio on and off, adjust the
Page 5
The scan indicator
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