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While donning and adjusting the headmount, it is possible for a
strap to slip out of a slide fastener. Perform the following procedure
to adjust the strap and sliding bar buckle.
(1) Thread the strap from the inside of the buckle over the move-
able sliding bar (see Figure 4.2.). Thread the strap back through
the buckle but this time under the moveable sliding bar and over the
serrated part of the buckle.
(2) Pull the strap through the buckle and tighten as necessary.
(3) Repeat steps 1 and 2 for other straps and buckles that may have
come undone.
4.3.3. NECK CORD MAINTENANCE
The neck cord (Figure 1.1.) may be broken, frayed, or loose at one
or both ends.
If loose, re-tie cord. If broken or severely frayed, install new cord
as follows:
(1) Insert ends through monocular holes from the rear.
(2) Thread right cord end through hole in objective lens cap.
(3) Tie a knot in each end.
4-7
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