SCANTECH ID (Champtek company) Discovery SG-20 - Manual (Page 40)

System Integration 32
4. Put the cover to a safe place, to prevent it from being damaged
5. To replace the cover afterwards, follow the same procedure in reverse,
being careful not to damage the lock on the topside.
4.2.2
The Main Board
The main board and the display of the Discovery are shown in the illustrations
below.
The upper picture is valid for all Discovery’s up to model A360104.
The following picture shows the newer version (from A360105 onwards) where
the dipswitches are replaced by soft-switches via the buttons.