Operation22UNIDEN PRO5050 AM-CB TransceiverKey Beep On/Off1. Press [MENU/ENTER] five times.The Beep setting flashes.2. Turn the Rotary Channel Selector tochange the setting between ON orOFF.3. Press and hold [MENU/ENTER] to save &exit from the menu mode.NOTEIf a button is not pressed within 10 seconds the Radio will automaticallyexit the Menu Mode.NOTEIf a button is not pressed within 10 seconds the Radio will automaticallyexit the Menu Mode.Roger Beep1. Press [MENU/ENTER] four times.The roger beep (rb) setting flashes.2. Turn the Rotary Channel Selector tochange the setting between ON or OFF.3. Press and hold [MENU/ENTER] to save &exit from the menu mode.