增强型近地警告系统 Enhanced Ground Proximity Warning 航线维护手册 Systems Line Maintenance Manual(23)

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Action:  Program the Configuration Module.  See Maintenance Practices section. 
Enunciation:  “CONFIGURATION MODULE NOT COMPATIBLE” (MK VI or MK VIII only) 
Probable Cause:  The Configuration Module is not compatible with the EGPWC h/w or s/w or it’s faulty. 
Action:  Verify Configuration Module connections.  Cycle power to the EGPWC.  If the problem persists, reprogram the Configuration Module.  If the condition persist, replace the Configuration Module.  See Removal/Installation section. 
Enunciation:  “GPWS INHIBITED”, “TERRAIN INHIBITED” 
Probable Cause:  The “Audio Inhibit” input discrete is true, or both “GPWS Inhibit” and “Terrain Inhibit” discrete inputs are true. 
Action:  Deselect or remove these inputs. 
Enunciation:  “GPWS INHIBITED” 
Probable Cause:  The “GPWS Inhibit” discrete input is true (selected) and “Terrain Inhibit” is not. 
Action:  Deselect or remove this input. 
Enunciation:  “SELF-TEST INHIBITED” 
Probable Cause:  The “Steep Approach” input discrete(s) is enabled and active (selected). 
Action:  Deselect or remove this input (cockpit switch). 

3.3.2 SHORT LEVEL 1 SELF-TEST
The Short Level 1 Self-Test is intended to provide a Go/No Go confidence test to indicate EGPWS functionality. It indicates which Modes of the EGPWC are currently not available and activates system outputs.  The short Level 1 Self-Test is a subset of the Long Level 1 Self-Test.
Upon successful completion of the preamble the short Self-Test is started.  A Short Level 1 Self-Test sequence (following the Preamble) is as follows:
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GPWS INOP, Windshear INOP, Terrain INOP (or Terrain Not Available) lights turn on *

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Amber caution (GPWS or Below G/S) lights turn on

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 Voice: “GLIDESLOPE”

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Amber caution (GPWS or Below G/S) lights turns off

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G/S Cancel light turns on (if installed)

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G/S Cancel light turns off (if installed)

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Red Warning (Pull Up or GPWS) lights turns on

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Voice: “PULL UP”

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Red Warning (Pull Up or GPWS) lights turns off

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Red Windshear Warning lights turns on

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Voice: “(SIREN) WINDSHEAR, WINDSHEAR, WINDSHEAR”

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Red Windshear Warning lights turns off

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Amber Windshear Caution lights turns on (if installed)

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Amber Windshear Caution lights turns off (if installed)

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Red Warning (Pull Up or GPWS) lights turns on

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Voice: “TERRAIN, TERRAIN, PULL UP”

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Terrain test pattern is displayed
　
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