Plantronics Calisto Pro Series - Manual (Page 33)

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Highlight Ringtones, and press Select
(right soft key). Press Up or Down
on the navigator to highlight a ring tone. A
preview of the sound plays.
Press
Save (right soft key).
Tip: You can also assign a ring tone to a specific
contact. See “Assigning speed dials and ring tones” on page 17.
Adjusting the screen contrast
On the main screen, press Menu (left soft key).
Use the navigator to highlight Settings,
and press Select (right soft key).
Highlight Screen Contrast, and press
Select (right soft key).
Press Left or Right on the navigator to
adjust the contrast.
Press
Save (right soft key).
Setting the date and time
On the main screen, press Menu (left soft key).
Use the navigator to highlight Initial Setup, and press Select
(right soft key).
Highlight
Date/Time, and press Select
(right soft key).
Select any of the following options:
Date: Use the keypad to enter the correct
date.
MM/DD/YY: Press Left or Right on the navigator
to switch the date format between MM/DD/YY and
DD/MM/YY.
Time: Use the numbers on the keypad to enter the correct
time.
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