TO OPERATE IN DUPLEX MODEEg. CH01 is being used in your area forrepeater use.Press [DUP] momentarily. The DUP icon appears.Press [DUP] again to deactivate the duplex operation.UH-040XR will return to simplex operation.SCANNINGThe UH-040XR has two types of scanning; Open Scanning (OS) and GroupScanning (GS), giving you flexibility and allowing you to use the radio moreeffectively.Scanning allows you to search for active channels programmed in the OS or GSmemory.To initiate scanning,1. Assuming the unit is on CH01 when switched on.2. Press [SCAN] and scanning starts.Scan icon flashes during scanning.1. Open Scan (OS) Mode (the absence of GS icon indicates that the unit is onOS mode)Allows continuous scanning of channels stored in the Open Scan (OS) memory. Ifan active channel is found, scanning will stop on that channel.Note: The factory has preprogrammed all the 40 UHF channels into the Open Scanchannel memory. However, you can change or customise the channels byfollowing the steps on programming Scan Channels on pages 10.OS/GSMEMDUPSCAN8