TM 9-2350-222-10-2
DRIVE THE VEHICLE (OPERATE PERISCOPES) - Continued
NOTE
Allow five minutes for periscope to warm
up before you adjust IR periscope for
viewing or focus through eyepiece (K).
7. Adjust for viewing as follows:
a. Push lever (L) away from you.
b. Position IR periscope.
c. Pull lever (L) toward you to lock IR periscope
8. Adjust headrest as follows:
a. Loosen wingnut (M).
b. Adjust headrest (N) for comfort.
c. Tighten wingnut (M).
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