TM 9-2350-222-10-2
ZERO SIGHTS (ZERO COMMANDER'S PERISCOPE TO CAUBER .50 MACHINE GUN) - Continued
10.
Set cupola machine gun electrical safety switch (S) to ON.
11.
Set machine gun manual safety switch (H) to position F.
12.
Press trigger (T) to fire a burst of 10 to 20 rounds to get a shot
group.
13.
If necessary, use cupola ELEVATION HANDLE (M) to relay
reticle 500 meter aiming point (P) on target aiming point (F).
TA252811
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