26Setup (Menu) ModeFTM-3100R Advance ManualMenu Selection Details1 APOFunction: Enables/Disables the Automatic Power Off feature.Available Values: 0.5 H to 12.0 H (0.5 H/step) / OFFDefault: OFF2 BCLOFunction: Enables/Disables the Busy Channel Lock-Out feature.Available Values: ON / OFFDefault: OFF3 BEP KEYFunction: Enables/Disables the key beeper.Available Values: KEY+SCAN / KEY / OFFDefault: KY+SCANKEY+SCAN: The beeper sounds when any key is pressed, or when the scanner stops.KEY: The beeper sounds when any key is pressed.OFF: Beeper is disabled.4 BEP EDGEFunction: Enables/Disable the Band-edge beeper while scanning.Available Values: ON / OFFDefault: OFF5 BELLFunction: Selects the CTCSS/DCS/EPCS Bell Ringer repetitions.Available Values: 1 TIME to 20 TIMES / CONTINUE (Continuous ringing) / OFFDefault: OFF6 CLK TYPEFunction: Shifting of the CPU clock frequency.Available Values: A / BDefault: AThis function is only used to move a spurious response “birdie”, should it fall on a desiredfrequency. Select “A” for the normal operation.7 DC VOLTFunction: Indicates the DC Supply Voltage.