5-235.3.3 Setting Mode: “Liquid Crystal Display Contrast Adjustment” (Contrast)Touching [Setting] on the initial screen of the system menu and then the [Contrast] key of the settingmode menu displays the contrast adjustment screen. The contrast of the GT main unit LCD is adjustedhere.Contrast adjustment screenProcedure for bringing up the screen[Initial screen]↓[Setting]↓[Contrast]Touch panel operation:[ADJUST] Touching the [+] key increases the contrast, and touching the [-] key decreases it. The valuesand the ♦ mark are the value set. The standard value is 7 and when the ♦ mark is located atthe center.[RETURN] To complete the settings and return to the previous screen, touch the [ESC] key.Adjust to the best contrast depending on your needs.