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 TM 55-1905-220-14-2
2-117. ALARM SYSTEM TEST (Cont).
(c) Simultaneous Grounds -
Simultaneous grounds have no immediate ground lamp indication. These grounds create a false alarm.
1
Place switch (2) in the OFF position.
2
If the GROUND NEG. LINE lamp (3) is brightly lit, a simultaneous ground is indicated.
3
Request assistance to correct the problem.
2-609
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