User Manual

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PS 578A Single or Dual Mode S/TCAS Control Unit (Dual Unit shown).
PS 578A CONTROLS AND DISPLAYS
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Note: If the PS 578A is interfaced to a MST 67A Mode S transponder
and the MST 67A senses a failure, a failure annunciation will be shown.
A maintenance check should be performed.
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45
Rev 3 4/13
CAS 67A/67B ACAS II Pilot’s Guide
Controls and Displays
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