3. Installing the Expansion Board
Disassembly view
Remove the two screws under the front cover, and remove the rear cover
so that the expansion board can be installed.
Cut out the rectangle perforations on the rear cover so that the
connection cables of the expansion board can be passed through. The
oval perforations are for the fixing screws of the unit.
To fix the unit with screws, cut out the oval perforated areas.
Caution
4