Advantech AIR-500D User Manual page 37

The installation methods of the short board and the long board correspond to differ-
ent hole distances and brackets.
2.4.4.1 Installing the Table Mount Bracket
1. Remove the wall mount bracket and 6 screws from the accessory bag.
2. Fasten 3 screws and brackets on the left and right sides of the bottom, be
reminded to install horizontally.
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