Mitel 5330/5340 IP Phones – User Guide
Enable a Screen Saver
You can program your screen saver to turn on when a specific time period of inactivity has occurred on your phone. The screen saver displays set type, software load, hardware revision, and ICP software load.
To enable a screen saver:
1.Press Settings or 
.
2.Press Screen Saver.
3.Select the inactivity time that will activate the backlight switch to dim.
4.Press the checkbox beside Display image if you want the screen saver image to display. If you prefer to have backlight dimming only (no image), then do not select this box.
5.You can use the Brightness options to adjust the brightness of the screen saver if necessary.
6.Press Save.
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