AASTRA 600d for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 132)

The Device Menu
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Display
Language: Select a display language from the list.
Font settings: (Aastra 620d/630d only) You can select a small, medium or large
font for the display.
Color schemes: (Aastra 620d/630d only) You have a range of 5 different back-
ground colours to choose from for the menus.
Brightness: (Aastra 620d/630d only) Change display brightness to adjust to
current ambient lighting conditions using the and navigation keys
or by entering a number (1 … 8).
Contrast: (Aastra 610d only) Change display contrast to adjust to current
lighting conditions using the and navigation keys or by entering a
number (1 … 8).
Illumination
Display dimming: This setting is for keeping the display illumination always
on, or dimmed for a definable time (1 min … 48 min), also for when the
device is idle or on the charger. This setting reduces battery operating
times. This is why you should only select the On setting (permanent) if
you regularly charge the mobile unit after usage.
Display: This is for setting how long full display illumination (e.g. after each key
press) remains on (10 … 240 sec).
Keyboard: This is where you set how long keyboard illumination remains on
after each key press (Off, 1 … 240 sec).
Charger: This is where you set how long display illumination remains on when
the device is placed on the charger (Off, 1 … 240 sec).
Conversation: To save battery power, you can define how the display is illumi-
nated during a call connection (Light off, Light on, Light dimmed).
LED indications: You can switch LED display on/off as desired (see also
page 30).
Life indication: LED slowly flashing green or orange.
Incoming call: LED quickly flashing green or orange with incoming
calls.