MIL-V-62347(AT)
depression, and the launcher shall move for both forward and rearward 4 degrees control handle deflection when the action switches are depressed.
4.7.39 Nightsight tests. To determine conformance to 3.4.9, 3.6.12.9.3 and 3.6.14.2, the nightsight control linkages shall be connected and the weapon station nightsight controls exercised through their full range to verify smoothness of operation without binding. Linkages shall then be disconnected. Test shall be performed a total of ten times. Effective operation with the nightsight and controls shall be demonstrated by acquisition of a simulated night time target.
4.7.40 Hull periscopes and vision block test. To determine conformance 3.4.5, all vehicle hull periscopes and vision blocks shall be tested for fit and functional requirements.
4.7.41 ITA image quality test. To determine conformance to 3.6.13.1.2 and 3.6.13.1.3, the ITA shall be visually examined by a test gunner before and after tracking smoothness test to verify that the ITA exhibits no random motion of the image during launcher tracking, which impairs performance, and that there is no evidence of internal moisture and fogging.
4.7.42 Squad leader's periscope test. To determine conformance to 3.6.13.2, the squad leader's periscope shall be tested to verify that the specified articulations of the line-of-sight are maintained.
4.7.43 MGS interface tests. To determine conformance to 3.6.14.1, the standard set of missile guidance set (MGS) self-test 1 through 7 shall be performed as specified in MIS-14061. It shall be established that launcher elevation movements up and down result in MGS EL meter deflections right and left, and that launcher azimuth motion CW and CCW results in MGS AZ meter deflection right and left, respectively.
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