M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 2
coaxial machinegun are used to move the
machinegun
to
align
the
boresighting reticle on the aiming point.
b. Boresighting the 7.62mm Coaxial Machinegun.
Before starting
the specific boresighting procedure, observe these warnings:
WARNING
Accidental
firing
of
the
7.62mm
coaxial
machinegun may result in death or injury.
Make
sure that the ARM-SAFE-RESET switch is in the
SAFE position.
Clear and unload the coaxial
machinegun before boresighting.
WARNING
Never look at the sun through the ISU; doing so
could cause blindness.
(1) To begin the boresighting procedure for the coaxial
machinegun, press the 7.62 button on the weapon control box (figure
14).
The LO AMMO indicator light will flash when this button is
pressed.
FIGURE 14.
THE 7.62 BUTTON.
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