DFI KS190-KH Installation Manual page 13

4. The system has designed Attach the other bracket (VESA mount
bracket 2) to the rear of the Panel PC.
5. Slide the Panel PC to "wall mount bracket 1" to attach the two brackets
with the hooks. Then tighten the thumb screw to secure the assembly
in place. Note that the following diagram is for illustration only and may
not resemble the actual product.
Thumb screw
Hooks
VESA mount bracket 2
Mounting screw
Thumb screw
13