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|  MIL-G-45981(WC)
b. OVERRIDE position: The interruped normal circuit shall
be by-passed and the available system power shall be re-
stored to the sight current generator and the radar in-
verter when the following sequence is performed:
(1) System switch turned from ON to OFF to ON;
(2) Low voltage switch is moved to override po-
sition while warning light is flashing.
c. TEST position: A simulated low voltage circuit shall. be
activated. The warning indicator light shall flash for
approximately four seconds then become constantly illum-
inated.
3.3.25 Tracking rate. The weapon system shall be capable of
tracking targets with an angular velocity of velocity-range (V/R) greater
than on. Testing shall be as specified in 4.5.2.2.
a. The weapon system shall move smoothly during tracking
operations that will require gun movements in either eleva-
tion, azimuth or a combination of each at rates as low as
0.1 degrees per second.
b. The gun drift in any vertical direction shall be no
greater than 5.0 milliradians during a 100 round burst while
slewing in azimuth at a rate of 5.0 0.1 degrees per second.
3.3.26 Boresighting. The weapon system shall be boresighted by
utilizing a distant aiming point of at least 2500 meters. Testing shall
be as specified in 4.5.2.2.
3.3.27 Hand brakes. The weapon system hand brakes, when engaged,
shall prevent the fully equipped and serviced weapon system from rolling
on a 60 percent slope of brushed concrete. The brake-shoes shall not
drag when the brake lever is in the OFF position. Testing shall be as
specified in 4.5.2.2.
3.3.28 Towing. The weapon system, prepared for travel, shall with-
stand four 1000 mile test cycles under conditions specified in Table I
without damage or loosening of parts. The weapon system shall be capable
of ascending and descending slopes of 60 percent and negotiating side
slopes of 20 percent. The weapon system shall be capable of traversing
ditches where the sum of the slopes forming the ditch does not exceed 60
percent and the straight away of each slope is at least as long as the
combined length of the weapon system and mover. Testing shall be as
specified in 4.4.
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