C. Crane CCPKTR - Manual (Page 10)

Disable Beep Sound
1. With the power OFF, press and hold memory button #3 for two
seconds. All beeps are disabled except ALARM and WX ALERT.
2. Repeat sequence to enable beep again.
Designate Frequency or Clock while Listening to the Radio
1. With the power OFF, press and hold memory button #4 for two
seconds. “C” will appear on the screen to indicating that the Clock
will show while listening to radio.
2. Repeat sequence to display Frequency instead. “F” will appear on
the screen to indicate that the Frequency will show when listening to
the radio.
CCPocket Page 10
Radio Setup