Advantech TPC-1260 - Manual (Page 46)

3 8 TPC-1260 User's Manual
5.1 LCD contrast tuning
5.1 LCD brightness tuning
The display brightness of the TPC-1260 is designed to be adjustable.
Remove the screw on the CPU board cover. Then slide the CPU board
cover toward the PC/104+ slot. Take away the CPU board cover.
Figure 5.1-1 Adjust LCD contrast
Figure 5.1-2 Remove the CPU Board cover
There is a variant resistor near the upper edge of the opening. Use a
blade screwdriver to adjust the LCD brightness so that it looks good in
certain surrounding lighting.