Operation Manual

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(2) Carefully push the sacrificial window onto the objective lens un-
til it stops. Turn the sacrificial window clockwise until it snaps into
place.
2.3.6. INSTALLATION OF LIF
Perform the following procedure to install the LIF onto the objective
lens.
FIGURE 2.9. LIF
(1) Remove the container/wrench (Figure 1.3.) from the carrying
case pouch.
CAUTION
Be careful not to touch glass surfaces. If you get fingerprints
or contamination on glass surfaces, use lens paper to clean
the LIF. If moisture is needed, use your breath to mist the sur-
face of the glass.
(2) If the objective lens cap or sacrificial window is on the objective
lens of the monocular, remove it.
(3) Carefully open the container/wrench and remove the LIF. Refer
to Figure 2.9.
(4) Hold the LIF by the ridged end (see Figure 2.9.) and thread it
clockwise, into the end of the objective lens.
CAUTION
Do not overtighten the LIF into the objective lens.
LIF
RIDGES
COUNTAINER/
WRENCH