General This publication provides maintenance and operating instructions for the MS-2000(M) Distress Marker Light. Purpose The light is designed and intended to provide aircrew and other personnel with a high- intensity visual distress marker signal for use in the event of unscheduled abandonment of aircraft in isolated regions and other emergency and/or special operational mission situations.
Turn "OFF". Slide switch down until it stops. The unit will stop operating. White Light. With the flashguard shield in the retracted (stored) position, slightly raise the IR filter and rotate it either left/right 90°, push filter in to lock into place. (Figure 2) IR Light.
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AUTOMATICALLY by using the TS-23/A Strobe Light Tester. If the test is to be conducted MANUALLY, follow the test procedures as outlined in paragraph (1) above, except limit the test duration to two (2) minutes. Again, a flash rate of 50 ±...
Test Equipment and Tools No special test equipment other than the TS-23/A Strobe Light Tester is required to test the MS-2000(M) strobe light. If this tester is not available or functionally inoperative, flash rate testing can be accomplished MANUALLY in accordance with procedures outlined in paragraph 5.b.(1) except limit the test to two (2) minutes, counting the rate in the last minute.
Replace batteries if device is used on a mission or annually. Alignment No alignment procedures or special inspection requirements must be performed on the MS-2000(M). Periodic Inspection Requirements Normally the MS-2000(M) and associated batteries will be inspected concurrently with other equipment installed in aircraft/ejection seat survival kits, aircrew survival vest or other special requirements.
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