Pre-Operation Inspection and Calibration Verification© PAT Revision E // SB // 09/03/02 190137_E275.3 Display Contrast ControlThis function serves for the contrast adjustment of the LC display. The last adjustment isstored and does not have to be repeated at every system start.Contrast adjustmentPress "CTRL".A pattern is shown by means of which thedisplay can be adjusted to the optimumcontrast. Use the functional keys to modifythe contrast upon request:darken displaybrighten displayconfirm settingPress key "OK" to store the adjustedcontrast value and to quit the function.During normal LMI operation the displaycontrast can be adjusted too by pressingbutton:F2 (brighten display) orF3 (darken display).