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|  MIL-T-45379D(AT)
4.6.4.9.5.2.10 FEED switch. To determine conformance to 3.5.9.5.2.10, the FEED switch
shall be tested for proper operation as specified during ranging operation tests.
4.6.4.9.5.2.11 LIGHT rheostat. To determine conformance to 3.5.9.5.2.11, the LIGHT
control shall be operated through its full range while observing the panel lights and range
readouts for proper operation as specified.
4.6.4.9.5.2.12 Emergency power switch. To determine conformance to 3.5.9.5.2.12, the
computer power shall be turned off, the emergency power switch shall be actuated and the LRF
shall be observed for normal operation.
4.6.4.9.5.2.13 Battle range switch. To determine conformance to 3.5.9.5.2.13, the battle
range switch shall be actuated as the computer and LRF is observed for proper operation as
specified.
4.6.4.9.5.2.14 Laser self test. To determine conformance to 3.5.9.5.2.14, the laser mode
control switch shall be placed in TEST position and input as specified in table IX shall be
applied while all controls are observed for proper operation. Tests shall be conducted with
ranging inputs from the commander's station and from the gunner's control handle.
4.6.4.9.5.2.15 Laser system lasing. To determine conformance to 3.5.9.2.15, targets as
described shall be located at the specified distances and lasing operations in accordance with all
requirements of 3.5.9.2.15 and table X shall be performed. Tests shall be conducted to verify
correct operation from the gunner's and commander's station and with the gunner's remote range
switch. During these tests correct LRF operation per the requirements of 3.5.9.5.2.1 through
3.5.9.5.3.14 shall be verified.
CAUTION: WHEN CONDUCTING THESE TESTS, SAFETY PRECAUTIONS SHALL
BE EXERCISED (SEE 6.3.2).
4.6.4.9.6 Computer system.
4.6.4.9.6.1 Computer self test. To determine conformance to 3.5.9.6.1, the gunner's
computer control unit mode selector switch shall first be placed in the LAMP position and then
in the TEST position; the lamps shall be observed for operation as specified.
4.6.4.9.6.2 Common zero and zeroing. To determine conformance to 3.5.9.6.2, each jump
and zeroing knob shall be checked as follows:
a. Elevation. The elevation common zeroing knobs of the gunner's control unit shall be
rotated at +3.0 and -3.0 mil positions and the output unit superelevation counter shall
be observed for a corresponding 3.0 mil count within + 0.30 mil. The knob shall be
rotated back to zero and the counter again observed, this time for return to its original
count within + 0.30 mil.
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