54 Basic operation
Adjusting the speaker volume
Rotate the power/volume control clockwise to
increase the speaker volume and counterclockwise to
decrease the volume.
The volume control also changes the volume
level of the radio’s audible indicators.
Locking and unlocking the
keypad
The keypad lock feature prevents you from pressing a
key accidentally. The number of keys that are locked
depends on the way your radio is programmed.
If you receive a call while the keypad is locked, press
any key to answer.
To lock the keypad:
■ Press and hold the right selection key for about
one second.
(Depending on your radio model and the way it is
programmed, your radio may have a 3-way
selector that can be used to lock the keypad.)
The message Keypad locked briefly appears on
the display, and Unlock appears above the right
selection key, in place of Menu.
When any of the locked keys are pressed, the
message Keypad lock active appears.
To unlock the keypad:
■ Press and hold the right selection key for about
one second.