AASTRA 4425 IP Vision (SIP) for MX-ONE User Guide - Manual (Page 97)

Settings
Dialog 4425 IP Vision 98
Backlight
The display backlight level can be changed.
Change the backlight level on the display
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Select Settings in the top menu (see display).
or Press (see display).
Repeat until the
Display Backlight menu is framed.
Select Press (see display).
The display shows:
- or + Press to decrease or increase the backlight level (see
display).
Note: The menu key Cancel can be used to leave the
menu without saving the changes.
Save Press to store the backlight level (see display).
Exit Press to return to the previous menu (see display),
or
Æ
press to return to idle mode.
Settings CallList Contacts CorpDirectory Web
Backlight
Cancel - +