M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/PE 1
PRACTICAL EXERCISE - ANSWERS
With the boresight telescope and adapter properly installed in
the gun barrel, the boresight telescope is rotated 90 to the right,
and the aiming point is viewed in the boresight reticle.
boresight telescope is rotated 90 to the left and the aiming point is
viewed through the boresight reticle. If the aiming point stayed in
the inner ring of the boresight reticle for both rotations, the
boresight telescope is accurate.
If the aiming point moved out of
the inner ring of the boresight reticle, the boresight telescope is
The telescope eyepiece should be at the top.
ON (TURRET POWER switch)
Zero (RANGE CONTROL knob)
HIGH (MAG switch)
CLEAR or NEUTRAL (SENSOR SELECT switch)
MANUAL (TURRET TRAVERSE DRIVE SELECT lever)
MANUAL (GUN ELEVATION DRIVE SELECT lever)
POWER (TOW ELEVATION DRIVE SELECT lever)
SAFE (ARM/SAFE/RESET switch)
Focus the gun reticle.
Turn the NIGHT VISION PWR to BRSIT.
Align the elevation and azimuth crosshairs of the gun reticle on
the boresight lamp of the buddy vehicle.
Move the SENSOR SELECT switch to NIGHT.
Adjust the brightness and contrast, and focus the gun reticle.