4. Release the four latches (5) holding case-bottom a s s e m b l y (6) to
r e c e i v e r (7). Disengage latches from catches on r e c e i v e r ring.
P u l l up on detector carrying handle until extender clears rim of
Position case-top assembly so that the word CAUTION and black
Locate Connector P1 (8) on the decoder printed wiring assembly.
Push two release levers (9) apart until M43A1 Interface Cable con-
nector is ejected from Connector P1.