Siemens 1200 User Manual
Step by Step
Making Calls – Basic Functions
32
Adjusting the Receiving Volume During a Call
Precondition: You are conducting a call.
u
or
v
To raise or lower the volume, keep pressing the keys un-
til the desired volume is set.
til the desired volume is set.
u
v
simultaneously
Save.
Adjusting the Display to a Comfortable Rea-
ding Angle
ding Angle
You can swivel the display unit. Adjust the display unit
so that you can clearly read the screen.
so that you can clearly read the screen.
Display Backlight
A display backlight switches on automatically when
operating optiPoint 500 advance, for example, when di-
aling a call number . The backlight switches off auto-
matically a few seconds after the last action is comple-
ted.
operating optiPoint 500 advance, for example, when di-
aling a call number . The backlight switches off auto-
matically a few seconds after the last action is comple-
ted.
Adjusting the Display Contrast
The display has four contrast levels that you can set ac-
cording to your lighting conditions.
cording to your lighting conditions.
u
or
v
Press one of these keys while the phone is idle.
>
:
Select and confirm.
u
or
v
Change the display contrast. Press the keys repeatedly
until the desired level is reached.
until the desired level is reached.
:
Save.
This function is only available with
optiPoint 500 advance.
optiPoint 500 advance.
Display contrast?