TM 1-1500-204-23-6
ZERO SIGHTS (ZERO COMMANDERS PERISCOPE TO CALIBER .50 MACHINE GUN) - Continued
47.
Record periscope elevation and deflection knob settings. Put in
a safe place in vehicle. For future sight adjustments, recorded
setting may be used after boresighting. This will make it
unnecessary to repeat zeroing procedures.
48.
Set CUPOLA POWER switch (R) to OFF, hold momentarily, then
release.
49.
50.
Set MASTER BATTERY switch (A) to OFF.
TA252820
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