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Initial Settings
Speaker volume *
While in
Press | Press Up or Down. |
Handset/Headset volume *
While using a handset or headset
Press Up or Down.
Ringer volume
While in
RINGER
Slide the lever of the RINGER Volume Selector to the desired setting (HIGH/LOW/OFF).
Display contrast *
KX-T7730
While in
Press Left or Right.
*The above settings may return to default settings if the telephone line cord is disconnected or the main unit's power is interrupted.
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