Flex FX2231 Operator's Manual page 11

The cover plate should snap securely and
audibly onto the rear of the base (Fig. 7).
Removal:
Press down on the two release tabs and slide
the cover plate forward about 1/2 inch.
Lift the cover plate off the base to remove it
(Fig. 8 & 9).
Fig. 7
Fig. 8
Fig. 9
2
-11-
Release Tabs
1