M2/M3 BRADLEY FIGHTING VEHICLE: TURRET - OD1609 LESSON 1/TASK 1
AMMO SW REVERSE.
The annunciator light on indicates AP and HE ammo
switches are reversed.
NO FIRE ZONE. The annunciator light on indicates weapon(s), if fired, are
in a position that could damage the vehicle.
Triggers do not work if the
annunciator light is on.
25 GUN MALF.
The annunciator light on indicates the misfire protection
system is malfunctioning.
Commander's ISU Controls.
The focus barrel adjusts the focus of the reticle
in the commander's eyepiece.
Gunner's ISU Controls.
ISU. The ISU is the sight system that enables the gunner and commander to
locate and track targets during day or night operations.
MAG Switch. The MAG switch selects HIGH or LOW magnification of scene for
both day and night vision.
The LOW setting is a 4X magnification and the HIGH
setting is a 12X magnification.
RET BRT Knob. The RET BRT knob controls the brightness of the TOW and gun
reticles in the DAY and NIGHT modes.
Range Control Knob.
The range control knob sets the range of the 25mm gun
from 0 to 3000 meters.
SENSOR SELECT Switch. The SENSOR SELECT switch filters the light entering
the ISU. The NIGHT setting allows target viewing at night, using the night vision
There are two DAY settings: CLEAR and NEUTRAL.
CLEAR setting allows
target viewing under normal daylight conditions.
NEUTRAL setting filters bright
sunlight and protects eyes against damage from laser light.
The focus barrel adjusts the focus of the reticle in the
NIGHT VISION PLRT Switch.
On the NIGHT VISION PLRT switch, the W/H
setting produces red