Advantech FPM-3120TH Series User Manual page 21

Note:
If you find that the brightness of LCD is dark, please follow the steps
to adjust it.
1. Find the OSD in the rear side of FPM-3120TH
2. Press two buttons, " " & " " , at the same time.
3. The LCD will reset and get brighter.
Chapter 2 System Setup
15