Argus Mi-TIC - Replacing the Germanium Window Assembly

 e2v technologies (uk) limited 2013 CR 114528 05 Apr 2013 DAS775571AA Version 1, page 27
7.4 Replacing the Germanium Window Assembly
7.4.1 Removal
Using a small flat tool, e.g. a small flat head screwdriver, depress the
window release latch and turn the Germanium window assembly
clockwise. Note the Germanium window assembly contains a reverse
bayonet coupling.