UNIDEN Model uh015sx UHF CB RadioAlarm Mode343. Use the Channel Selector to change the Alarm mode.4. When finished, press /ENTER to store .Three successive beeps are heard.5. Press /ENTER for 2 seconds to exit. The radio returns to normaloperation.-or-Turn the Channel Selector to go to the next programmable parameter.Group 01 mode sets the tone period to 1 tone period.Group 02 mode sets the first group tone period to 3 tone periods.1. Press and hold then turn power on. Rotate the Channel Selector until(or 02) is displayed.2. Press /ENTER and Group mode editing is possible.3. Use the Channel Selector to change the Group mode.Group Call ModeMENUMENUMENUMENU