Customizing Your Phone53pull-down list.4. Tap the gray box of the Backlight Time field, and then select the desired time from thepull-down list.5. Tap the Save soft key to accept the change or to cancel.Backlight is configurable via web user interface at the path Settings->Preference.ContrastYou can only configure the contrast of the expansion module EXP40 connected to the SIP-T48SIP phone to a comfortable level on the phone. Ensure that the expansion module has beenconnected to the phone before configuration. The intensity of contrast ranges from 1 to 10 andthe highest intensity is 10.To configure the contrast via phone user interface:1. Tap ->Basic->Display->Contrast.If EXP40 is not connected to the phone, the Contrast Setting screen displays "No EXP".2. Tap the gray box of the Contrast field, and then select the desired value from thepull-down list.
