48 Basic operation4 Basic operationThis section describes the basic operation of yourradio.This section covers:■ Turning the radio on and off■ Adjusting the speaker volume■ Locking and unlocking the keypad■ Using a wireless headset■ Selecting a zone■ Selecting a channel■ Limiting call time■ Checking recent calls■ Setting and viewing the radio’s time and date■ Updating the radio over the air
