Settings
Setting the display contrast
1 The receiver is placed on the base.
2 Press the Set key.
3 Press the Up key ▲ five times.
The display shows 5ET 6 LCD.
4 Press the Set key, the current setting is shown.
5 Adjust the contrast using the Up key ▲ or the Down
key ▼.
6 Press the Set key to confirm.
If you don't want to do further settings, the phone
will return to idle state after approx. 12 seconds.
Ringer volume
Slide the switch (6) on the rear side of the phone to adjust
the ringer volume to
38
(high),
(low) or
(off).