Siemens OPTIPOINT 420 ECONOMY 사용자 설명서
Making Calls – Basic Functions
33
Step by Step
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.
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.
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.
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
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.
state.
>
:
Select and confirm.
u
oder
v
Modify contrast (1 ... 4). Press the keys as often as nec-
essary until the required contrast is set.
essary until the required contrast is set.
:
Save.
Ringer volume? >
Ringer pitch? >
Display contrast? >
Label contrast? >