HEEYOUNG Co. Ltd. MM20 Benutzerhandbuch

5) LUMINANCE 
      SELECT brightness Calibration. 

Adjust the Brightness automatically to the target luminance value 
Before activating, connect the photo sensor between the front of screen and RS-232 port 

    of LCD Monitor. 

 
6) INFORMATION 
        Display    the information of the monitor status,    Maximum Resolution, Model Name, 
        Time of using