ACTinBlack DTNVG, Operator'S Manual

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2.4 Eyecup Installation:
Perform the following procedure to install
eyecup onto the Binocular.
1.
Carefully press the eyecup over the end of the
eyepiece lens.
Rotate the eyecup into proper
viewing position. Adjust for best fit. The eyecup
must seal around your eye and prevent the green
glow from escaping.
2.5 Demist Shield Installation:
Perform the following procedures to install the demist
shield on the eyepiece lens.
1. Carefully remove the eyecup.
2. Carefully press the demist shield onto the
eyepiece. Be careful not to smudge the eyepiece
lens or demist shield.
3. Replace the eyecup.
CAUTION
If the demist shield is wiped while wet or with
wet lens tissue, you will damage the coating.
NOTE
If inclement operating conditions are expected to
exist (e.g. significant temperature change and
high humidity), install demist shield to minimize
eyepiece lens fog prior to execution of mission.