Polycom 331 Owner's Manual page 61

You have control over the format of the time and date display and
can turn the display of time and date off. The default time and date
format appears in the following figure.
To configure the time and date:
1. Press
2. Select Settings > Basic > Preferences > Time & Date.
3. Select from Clock Date, Clock Time, Clock Order, or Enable/
Disable.
4. Scroll through the options under each of these selections using
the and .
5. Press to confirm your choice.
For example, the following figure shows Clock Time.
6. Press
display.
Display Contrast
To adjust the contrast on the display to a comfortable level:
1. Press
2. Select Settings > Basic > Contrast.
3. Press the Up or Down soft keys to increase or decrease the
display contrast.
61
.
or repeatedly to return to the idle
.