Operation19UNIDEN PRO5050 AM-CB TransceiverOpen Scan (OS) ModeAllows continuous scanning of all selected channels. If an active channel is found,scanning will stop on that channel. If the received signal ceases, the unit will wait 3seconds for the signal to return, otherwise scanning resumes.After transmission in scan mode, the unit will wait 20 seconds for the signal to return,otherwise scanning resumes. To skip the active channel, turn the Rotary Channel Se-lector at the base. To deactivate SCAN, press [SCAN/OS/GS].NOTEIf SCAN is deactivated while on an active channel, the AM CB Radio willstay on that active channel. If no channels are active, the AM CB Radiowill reinstate the starting channel.NOTEOS Mode is indicated by the absence of the GS icon.Group Scan (GS) ModeIncludes the accessory feature Priority Watch which allows you to monitor the InstantPriority Channel while scanning (seep.16 for setting Instant Priority Channeland p.20 to turn on Priority Watch).To use GS Mode Scanning, press andhold [SCAN/OS/GS]. GS icon appearson the display.GS Scanning checks the Instant PriorityChannel for activity regularly when PriorityWatch is ON.If the Priority Channel becomes active the radiowill stay on that channel for as long as the signalis present. If the received signal ceases, PriorityScanning continues after 3 seconds.If scanning stops on a channel which is not a Priority Channel, AM CB Radio will continuemonitoring the Priority Channel for activity while listening to the active one. To deactivateSCAN, press the [SCAN/OS/GS] button.