(4) Remove two screws "a."
(5) Open the front cover and remove two screws "b."
(6) Pull the tabs of the top cover to the front and upwards (in the direction of arrows •) to release
them from the bosses provided on the main cover.
(7) Insert the tip of a flat screwdriver and unhook the latches of the top cover (in the direction of
arrows ‚), then lift up the top cover (arrow ƒ).
"a": Stepped screw
"b": Taptite, cup S M3x10
IV - 16
*For models equipped with a handset