Basic operation 39The message PA Speaker Activated brieflyappears in the display.Adjust the volume using either the volume control(standard control head), or the and keys(hand-held control head).To turn off the external speaker:■ Long press the function key programmed forexternal speaker.The message PA Speaker Deactivated brieflyappears in the display.Locking and unlocking thekeypadThe keypad lock feature prevents you from pressing akey accidentally. The number of keys that are lockeddepends on the way your radio is programmed.If you receive a call while the keypad is locked, pressany key to answer.To lock the keypad:■ Press and hold the right selection key for aboutone second.(Depending on your radio model and the way it isprogrammed, you may be able to use the leftselection key to lock the keypad.)The message Keypad locked briefly appears inthe display, and Unlock appears above the rightselection key, in place of Menu.When any of the locked keys are pressed, themessage Keypad lock active appears.To unlock the keypad:■ Depending on the programming, press and holdthe right or left selection key for about onesecond.
