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1. Press or while the
phone is ringing or idle.
1. Press or while on a
handset call.
1. Press or in handsfree
mode.
Do not lift handset.
1. Press or while the
phone is idle.
To adjust the LCD
contrast for display
phones:
To adjust the Speaker
Volume:
To adjust the Handset
Receiver Volume:
To adjust the Ringing
Volume:
Volume Control
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