TM 9-2350-261-10
OPERATE M19 PERISCOPE — Continued
0043 00
5.
Move driving lights switch to BO DRIVE.
6.
Move I.R.-BO SELECT switch to I.R.
7.
Loosen clamping screw and adjust headrest.
8.
Turn periscope to the right or left, as needed, and tighten azimuth locking knob.
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