Step by Step
Making Calls – Basic F unctions
34
Adjusting the Receiving Volume During a Call
You are engaged in a call.
u or v To raise or lower the volume: Keep pressing the keys
until the desired volume is set.
u or v simultaneously Save.
Adjusting the Display to a Comfortable Read-
ing Angle
You can swivel the display unit. Adjust the display unit
so that you can clearly read the screen.
Display backlight
When operating optiPoint 420 advance, e.g. when dial-
ling a call number, a display backlight switches on auto-
matically. The backlight switches off automatically a few
seconds after the last action is completed.
Selecting the Language of Screen Prompts
Press the key. The LED lights up.
> : Confirm.
> : Confirm.
or
qhl Enter the code.
> : Select the language you wish to use (such as "Spanish")
and press the "OK" dialog key to confirm.
Program/Service
More features?
*
48= Select language?
15=Spanish?
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