BendixKing FPI 3501B System FPD 500 User Manual

Page 48

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5.2.2 HSI SELF TEST

Press and hold the TEST button on the HSI to initiate the three phas-
es of self test. Release of the button will cause the previous display to
return, unless BIT test is in progress, in which case the test will com-
plete, then the display will return.

Phase 1 -

A static display that imitates the electromechanical self test

for five seconds.

• No failure flags displayed

• Compass Card - 0° (north), digital heading “000”

• Source/Distance Display - INSX/3999; or DMEX/399.9 if available,

if not available, then blank

• Glideslope - Centered

• Selected Course - 90°

• Lateral Deviation - Centered

• TO/FROM - Both displayed

• Heading Bug - 180°

If ARC or MAP mode:

•Off Scale Symbols - Both heading bug and course pointer displayed

Phase 2 -

All failure and warning flags flashing for five seconds.

• Source/Distance Display - Decluttered

• Selected Course - Decluttered

• Lateral Deviation - Decluttered

• TO/FROM - Decluttered

• Heading Bug - Decluttered

• Digital Heading/Lubber Mark - Decluttered

Phase 3 -

Steady flags displayed while internal BIT test performed.

Same as Phase 2 except flags remain on steady

Operating Instructions

5-4

FPD 500 FLAT PANEL DISPLAY SYSTEM

Rev. 0

Jan/97

A