Basic operation 27Turning the radio on and offLong press the on/off key to turn the radio either onor off.When the radio is first turned on, the red, green, andorange LEDs flash briefly, and the radio gives two shortbeeps. A brief message may appear on the display.Security lock on power-up featureYour radio may be automatically locked each time it ispowered-up. If the message Enter PIN appears in thedisplay, enter your assigned PIN (personal identificationnumber). See “Unlocking the radio”.Locking the radio1 Press Menu and select Radio settings > Functions> Lock radio. (Depending on how your radio isprogrammed, you may be able to press a functionkey to turn radio lock on and off.)2 Scroll to either On or Off and press Select. (Thecurrent setting is highlighted.)The radio is now locked and the message Enter PINappears in the display.Unlocking the radio■ To unlock your radio, use the unlock sequence youhave been given. (This is a pre-programmedsequence of four keys.)The radio remains locked until the correct sequence ofkeys is pressed. If you forget the unlock sequence or youdo not know it, contact your radio provider for assistance.volume controlon/off key