DPT Overview 1-151.1 ConfigurationInitial SettingDisplay Contrast Adjustment (KX-T7230 and KX-T7235 only)A Soft button and the VOLUME button are used to adjust the display contrast. The contrastlevel is indicated on the display. You can adjust the volume level in the following conditions:1.) When on-hook status.2.) While having a CO/intercom call in progress.1. Press the CONT (S1) button.2. Press the VOLUME (UP / DOWN ) button.• The display shows:When using the headsetPanasonic Digital Super Hybrid System supports the use of a headset on a proprietarytelephone (PT). When you use the headset (optional), you should switch the selection modefirst. Selection is also explained in the “Handset/Headset Selection” in Station Programming(Section 2).To change to the headset modePress: [PROGRAM] [9] [9] [8] [2] [STORE] [PROGRAM]When changing the ringing tone of a CO buttonThere are eight ringer frequencies available for each CO (Group-CO, Loop-CO, Single-CO)button. If you wish to change them, refer to “Ringing Tone Selection for CO Buttons” inStation Programming (Section 2).12S 1 S 2 S 3CONTContrast: 3
