The backlight on the display of the phone can be adjusted separately for the times when the phone is active and when the phone is idle. Lowering backlight intensity lowers the energy consumption of the devices. The backlight when idle can be reduced to zero bars.
NOTE: When the phone has been inactive for a specified number of seconds it will switch the backlight to idle mode. This setting is available only on the phone's web user interface, not on the phone itself.
Adjusting the backlight on the phone's display
Press the right or left arrow on the navigation key or the function key underneath or
in the function key line to decrease or increase the backlight's intensity.
Period of inactivity. The number of seconds after which the phone will switch from backlight on activity to idle backlight can be set on the phone's web interface only.
Adjusting the color and opacity on the phone's display
Color. The setting adjusts the interface colors of items (text, function keys, scrollbar, cursor, etc.) displayed on the screen.
If any expansion modules are connected to the phone, select Primary display and press
Adjusting the theme on the phone's display
You can select a display theme (predefined wallpaper and color settings) for the phone.
If any expansion modules are connected to the phone, select Primary display and press