52 Basic operationTurning the radio on and offRotate the power/volume control switch clockwise toturn the radio on. Rotate the switch counterclockwiseto turn the radio off.When the radio is first turned on, the status LED brieflyglows red, and the radio gives two short beeps.Your radio may not turn on if your battery is verylow. (See "Low battery warning" on page 162.)Security lock on power-up featureYour radio may be automatically locked each time it ispowered-up. If the message Enter PIN appears onthe display, enter your assigned PIN (personalidentification number). See “Unlocking the radio”below.Locking the radio1 Press Menu and select Radio settings >Functions > Lock radio. (Depending on how yourradio is programmed, you may be able to press afunction key to turn radio lock on and off.)2 Scroll to either On or Off and press Select.(The current setting is highlighted.)The radio is now locked, and the message EnterPIN appears on the display.The radio remains locked until the correctsequence of keys is pressed. If you forget theunlock sequence or you do not know it, contactyour radio provider for assistance.Unlocking the radio■ To unlock your radio, use the unlock sequenceyou have been given. (This is a pre-programmedsequence of four keys.)
