8 UHF CB RadioUNIDEN UH507SX-2NBGroup Scan(GS) ModeTo change between OS and GS scan;1. Press (menu) three times. GS setting flashes.2. Press (ch) or or (vol) or to change the selection.3. Press & hold (menu) to save and exit.To initiate scanning,1. When vol scan is pressed during Group Scan Mode, Group Scanningbegins.2. To deactivate GS scanning, press (PTT) or press and hold vol (scan).NOTE1. If SCAN is deactivated while it is tuned to an activechannel, the UH507SX-2NB will stay on that active channel.If none of the channels re-active, the radio will reinstate theScan start channel.2. If OS/GS Scanning is initiated when there are no channelsprogrammed in OS/GS memory, an error tone will be heardand scanning will not start.Priority Channel Watch During Group ScanThe feature monitors the Priority channel every 1.5 secs during GS.1. Press (menu) four times. Pr setting flashes.2. Press (ch) or or (vol) or to select the desired channel.3. Press & hold (menu) to save and exit.Programming Scan Channels1. Select which Scanning Mode you wish to use on the channel OS or GS Mode.2. Select the channel you want to store by pressing (ch) or .3. Press and hold vol (mem) to store.M icon appears.4. To remove the channel from Memory, Press and hold vol (mem) toremove. M icon disappears.Drop-Out DelayWhile scanning, the radio stops at a busy channel and receives a signal. Whenthe received signal is over, the unit will wait for 2 seconds for the return of thesignal, otherwise, the radio resumes scanning.Operation