Changes from 1 to 8 as selected by the user. Displays the current Battery charge level. LCD Screen Displays the current channel selection and other radio symbols. MENU Button Press to program the PMR settings. - (Power) button Press and hold to turn the PMR unit ON or OFF. Speaker Displayed when the Key Lock feature is activated. Displays the current Speaker volume level. Blinks when the Scan feature is turned ON. Antenna CALL button - Press to send a ringing tone to other PMR units. PTT (PUSH t