Gigaset COMFORT 552 Manual page 54

Handset
Colour scheme
You can choose from a range of colour combinations for the display.
Settings
select the desired colour scheme
Display backlight
The display backlight always illuminates when the handset is taken out of the base station/
charging cradle or when a key is pressed. Any digit keys that are pressed appear on the display
for pre-dialling.
Switch the display backlight on/off when in idle status:
Settings
Backlight when in the charging cradle:
Backlight when not in the charging cradle:
Backlight during a call:
Save selection:
The handset's standby time may be significantly reduced if the display backlight is
switched on.
Changing the earpiece and handsfree volume
You can set the volume of the earpiece and speaker at 5 levels independently of each other.
During a conversation
Handset Volume
Without saving, the setting is automatically saved after around 3 seconds.
In idle status
Settings
then
For the earpiece:
For the speaker:
Save settings:
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OK Display
Select (
OK Display
In Charger: select On or Off
Out of Charger
In Talk State
Save
select volume Save . . . the setting is saved
OK Audio Settings
Earpiece: set the volume
Speaker set the volume
Save
OK Color Schemes
= selected)
OK Backlight
select On or Off
select On or Off
OK Handset Volume
OK
OK . . . then
OK . . .