Polycom Conference Phone Owner's Manual page 62

The Backlight Idle Intensity screen displays.
6. Scroll to the intensity you want, and then press
Backlight Idle Intensity is Low.
7. If you selected a new intensity, press the Save soft key. If you
did not select a new intensity, press
8. Select Maximum Intensity.
The Maximum Intensity screen displays.
9. Press the Up or Down soft keys to increase or decrease the
maximum intensity the screen can display.
10. If you selected a new intensity, press the Ok soft key. If you did
not select a new intensity, press
11. Press to return to the idle screen.
Updating the Ring Tone
You can select from many different ring tones to distinguish your
phone from your neighbor's. You can also set distinctive ring
tones for contacts in your local directory so you can identify
callers when your phone rings.
Selecting a Ring Tone
You can choose a unique ring tone for your phone to identify it
when it rings.
To select a different ring tone:
1. Press , and then select Settings > Basic > Ring Type.
The Ring Type screen displays.
. The default
.
.