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2. Select Settings > Basic > Contrast.
3. Press the Up or Down soft keys, or the volume keys, to increase or
decrease the display contrast.
4. Press the Ok soft key to accept your changes.
5. Press to return to the idle screen.
Changing the Backlight Intensity
Backlight intensity on the SoundPoint IP 550/560 phone has three
components:
• Backlight On
• Backlight Idle
• Maximum Intensity
You can modify the Backlight On Intensity and the Backlight Idle Intensity
separately. You can choose a high, medium, or low intensity, or turn the
backlight off entirely.
When you modify the Maximum Intensity, you are modifying the entire
backlight intensity scale. For example, if you decrease the Maximum Intensity,
the low, medium, and high values for the Backlight On intensity and the
Backlight Idle intensity will decrease proportionally.
The backlight automatically turns on with any button, soft key, hookswitch,
USB, or telephony activity. After 20 seconds of inactivity, the backlight dims
to its idle intensity.
To modify the backlight intensity:
1. Press .
2. Select Settings > Basic > Backlight Intensity.