Plantronics Calisto Pro Series - Manual (Page 34)

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12h: Press Left or Right on the navigator to change the
time format from a 1-hour clock to a 4-hour clock and back.
Press Save (right soft key).
Setting the default language
On the main screen, press Menu (left soft key).
Use the navigator to highlight Initial Setup,
and press Select (right soft key).
Highlight Language, and press Select
(right soft key).
Highlight
English, Français, or Español.
Press Save (right soft key).
Turning the keypad tone on or off
When the keypad tone is on, you hear a sound when you press a key.
You can turn the tone off if you prefer not to hear the sound.
On the main screen, press Menu
(left soft key).
Use the navigator to highlight
Initial Setup,
and press Select (right soft key).
Highlight Keypad Tone, and press Select
(right soft key).
Highlight ON or OFF.
Press Save (right soft key).
Locking the keypad
Lock the keypad if you don’t want to accidentally dial numbers on
your handset.
Press and hold the “
*” key for 3 seconds. A lock icon
appears on the main screen when the keypad is locked.
To unlock the keypad, press and hold the “
*” key again for
3 seconds.
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