User Guide for the SIP-T54S Media IP Phone 
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5.  Press the OK soft key to accept the change. 
Note 
To configure the screen saver via phone user interface: 
1.  Press Menu->Basic->Display->Screensaver. 
2.  Press          or          , or the Switch soft key to select the desired wait time from the Wait 
Time field. 
3.  Press          or          , or the Switch soft key to select the desired value from the Display 
Clock field. 
4.  Press          or          , or the Switch soft key to select the desired screen saver type from the 
Screensaver Type field. 
This field is configurable only if you have uploaded a custom picture via web user interface. 
-  If you select System. 
The IP phone will automatically set the built-in picture as the screen saver. 
-  If you select Custom. 
The IP phone will automatically set the custom pictures you upload as the screen saver, 
and display these pictures alternately. 
 
5.  Press the Save soft key to accept the change or the Back soft key to cancel. 
Screen saver is configurable via web user interface at the path Settings->Preference. 
Power Saving 
The power saving feature is used to turn off the backlight and screen of T54S media IP phone 
and color-screen expansion module EXP50 (if connected) to conserve energy. The IP phone 
enter power-saving mode after it has been idle for a certain period of time. 
If you connect a color-screen expansion module EXP50 to the IP phone, the IP phone and EXP50 
will enter or exit power-saving mode synchronously. 
Before adding the custom picture from the USB flash drive, please make sure that the USB flash 
drive has been connected successfully.