1-22 DPT Overview1.1 ConfigurationInitial Setting for KX-T7200 SeriesDisplay Contrast Adjustment (KX-T7230 and KX-T7235 only)A Soft button and the VOLUME Control button are used to adjust the display contrast.The contrast level is indicated on the display by the number of asterisks. You can adjustthe contrast level under the following conditions:1.) When on-hook, or2.) During an outside/intercom call.1. Press the CONT (S1) button.2. Press the VOLUME (UP / DOWN ) Control button.• The display shows:(— contrast volume level 3)When using the headsetThe Panasonic Digital Super Hybrid System supports the use of a headset with aproprietary telephone (PT). When you use the headset (optional), you should switch theselection mode first. Selection is explained in the “Handset/Headset Selection” in StationProgramming (Section 2).To change to the headset modePress: [PROGRAM] [9] [9] [9] [2] [STORE] [PROGRAM].Changing the ringing tone of a CO buttonThere are eight ringer frequencies available for each CO (Loop-CO, Single-CO) button.If you wish to change them, refer to the “Ringing Tone Selection for CO Buttons” inStation Programming (Section 2).Contrast:***12S 1 S 2 S 3CONTVOLUME
