DPT OverviewUser Manual 431.1.6 Initial 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. Thecontrast level is indicated on the display by the number of asterisks. You can adjust the contrastlevel under the following conditions:a) When on-hook, orb) During an outside/intercom call.When using the headsetThe Panasonic Digital Super Hybrid System supports the use of a headset with a ProprietaryTelephone (PT). When you use the headset (optional), you should switch the selection modefirst. Selection is explained in Section "2.2.5 Handset / Headset Selection."To change to the headset modePress: [PROGRAM] [9] [9] [9] [2] [STORE] [PROGRAM].Changing the ringing tone of a CO button / INTERCOM buttonThere are eight ringer frequencies available for each CO (Group-CO, Loop-CO, Single-CO)button, DN(PDN, SDN) button and INTERCOM button. If you wish to change them, pleaserefer to Section "2.2.13 Ringing Tone Selection for CO Buttons" or Section"2.2.14 Ringing Tone Selection for INTERCOM Button."Volume Control — Handset Receiver/Headset/Ringer/SpeakerAllows you to adjust the following volumes as necessary:— Handset Receiver volume (level 1 through 3)— Headset volume (level 1 through 3)— Ringer volume (level 0 through 3)— Speaker volume (level 1 through 12)1. Press the CONT (S1) button.2. Press the VOLUME (UP / DOWN ) Control button.• The display shows:12S 1 S 2 S 3CONTVOLUME( contrast level 3)Contrast:***
