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Siemens Optipoint 420 - Telephone Settings; Adjusting the Ringer Volume; Adjusting the Ringer Pitch; Adjusting the Display Contrast

Siemens Optipoint 420
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Step by Step
Making Calls – Basic Functions
32
Telephone settings
Adjusting the ringer volume
u or v Press one of the keys when the telephone is idle.
: Confirm.
u or v To increase/decrease the volume (1 ... 8): keep pressing
the keys until the desired volume level has been
reached.
: Save.
Adjusting the ringer pitch
u or v Press one of the keys when the telephone is idle.
> : Select and confirm.
u or v Changing the pitch (1 ... 16): keep pressing the keys un-
til the desired pitch has been reached.
: Save.
Adjusting the display contrast
The display has four contrast levels that you can set ac-
cording to your light conditions.
u or v Press one of the keys while the phone is idle.
> : Select and confirm.
u or v Change the display contrast (1 ... 4). Press the key re-
peatedly until the desired level is obtained
: Save.
Modifying the key labelling contrast
u oder v Press one of the keys, when the telephone is in an idle
state.
> : Select and confirm.
u oder v Modify contrast (1 ... 4). Press the keys as often as ne-
cessary until the required contrast is set.
: Save.
Ringer volume?
Ringer pitch?
Display contrast? >
Label contrast?

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