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The default value is 10, you can set to 1-30.
•
Click Confirm to save the change.
Backlight
Backlight determines the brightness of the touch screen display, allowing users to read easily in dark environments.
Backlight time specifies the delay time to turn off the backlight when the IP phone is inactive. Backlight turns off
quickly if a short backlight time is configured, this may not give users enough time to read messages.
Backlight has two options:
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Backlight Active Level: The intensity of the touch screen when the phone is active. You can change the
intensity of the touch screen by dragging the backlight active level slider.
•
Backlight Time: The delay time to change the intensity of the touch screen when the phone is inactive.
You can select a desired time to change the intensity or turn on the backlight permanently.
•
Always On: Backlight is on permanently.
•
15s, 30s, 60s, 120s, 300s, 600s or 1800s: Backlight is changed when the phone is inactive after the
designated time (in seconds).
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Matrix SPARSH VP710 User Guide
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