Polycom SoundPoint IP 550 User Manual page 29

3. Select Backlight On Intensity.
4. Use or
Select soft key.
The default level is medium.
5. Select Backlight Idle Intensity.
6. Use or
Select soft key.
The default level is low.
7. Select Maximum Intensity.
8. Press the Up or Down soft keys to increase or decrease the backlight
intensity.
9. Press the Ok or Cancel soft keys to accept or cancel changes.
to select high, medium, low, or off, and then press the
to select high, medium, low, or off, and then press the
Customizing Your Phone
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