Customizing Your Phone21To configure the backlight via phone user interface:1. Press Menu->Basic->Display->General.2. Press or , or the Switch soft key to select the desired level from theBacklight On Intensity field.3. Press or , or the Switch soft key to select the desired value from theBacklight Idle Intensity field.4. Press or , or the Switch soft key to select the desired time from theBacklight Time field.5. Press the Save soft key to accept the change or the Back soft key to cancel.Backlight is configurable via web user interface at the path Settings->Preference.You can configure the contrast of the expansion module (EXP40) to a comfortable level.Ensure the expansion module has been connected to the phone.To configure the contrast via phone user interface:1. Press Menu->Advanced (password: admin) ->Phone Settings->Contrast.2. Press or , or the Switch soft key to increase or decrease the intensity ofcontrast.The default contrast level is 6.3. Press the Save soft key to accept the change or the Back soft key to cancel.