33
For locking the audio mute function press the left button. The following indication appears:
For storing all lock functions press the left and right button simultaneously. If one of these
locked functions is called, the following indication appears:
Release of the locked functions
To release the
locked functions call the respective menu and press the left button until
UNLOCKED
appears in the upper line.
1.3.9 Adjusting the contrast
You can adjust
the contrast of the display indication darker or lighter.
Press the left and the right button simultaneously:
Press the right button four times. The following indication appears:
Press the left button. You can adjust the contrast lighter with the left button or darker with
the right button. To store, press the two buttons simultaneously.
FUNCTION
LOCKED
SELECT MENU
CONTRAST
MORE
SELECT MENU
FREQ
MORE
CONTRAST SELECT
MUTE LOCKED
UNLOCK
MORE
