Mitel 4125 - Manual (Page 8)

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CUSTOMIZING YOUR PHONE
Ringer Control
To adjust the Ringer Volume while the set is ringing:
z
Press or .
To adjust the Ringer Pitch while the set is idle:
1. Press SUPERKEY.
2. Press the No softkey until "Ringer Adjust?" appears.
3. Press the Yes softkey.
4. Press the Yes softkey.
5. Press or .
6. Press SUPERKEY.
Handset Receiver Volume Control
To adjust the Handset Receiver Volume when you are using the
handset:
z
Press or .
Speaker Volume Control
To adjust the Speaker Volume when making an on-hook call or when
listening to background music:
z
Press or .
Display Contrast Control
To adjust the Display Contrast while your set is idle:
z
Press or .