Initial Settings
Speaker volume *
While in on-hook or during a conversation
SP-PHONE
Press SP-PHONE.
Handset/Headset volume *
While using a handset or headset
Ringer volume
While in on-hook or receiving a call
Slide the lever of the RINGER Volume Selector
to the desired setting (HIGH/LOW/OFF).
Display contrast *
While in on-hook or receiving a call
* The above settings may return to default settings if the telephone line cord is
disconnected or the main unit's power is interrupted.
Press Up or Down.
Press Up or Down.
RINGER
Press Left or Right.
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