Programmable Settings35Display optionsHandset LCD contrastYou can adjust the handset displaycontrast. There are 6 levels. The defaultsetting is level 3.1 Press {MENU}.2 Scroll to “Initial setting” bypressing {V} or {^}, then press {>}.3 Scroll to “LCD contrast” by pressing{V} or {^}, then press {>}.4 Press {V} or {^} repeatedly to selectthe desired setting.5 Press {Save}, then press {OFF}.Telephone settingsDialing modeIf you cannot make calls, change thissetting depending on your telephone lineservice.“Tone” (default): For tone dial service.“Pulse”: For rotary pulse dial service.1 Press {MENU}.2 Scroll to “Initial setting” bypressing {V} or {^}, then press {>}.3 Scroll to “Set tel line” by pressing{V} or {^}, then press {>}.4 Scroll to “Set dial mode” by pressing{V} or {^}, then press {>}.5 Press {V} or {^} repeatedly to selectthe desired setting.6 Press {Save}, then press {OFF}.Flash timeThe flash time depends on your telephoneexchange or host PBX.You can select: “90ms” (milliseconds),“100ms”, “110ms”, “250ms”, “300ms”,“400ms”, “600ms”, or “700ms” (default).1 Press {MENU}.2 Scroll to “Initial setting” bypressing {V} or {^}, then press {>}.3 Scroll to “Set tel line” by pressing{V} or {^}, then press {>}.4 Scroll to “Set flash time” bypressing {V} or {^}, then press {>}.5 Press {V} or {^} repeatedly to selectthe desired setting.6 Press {Save}, then press {OFF}.