Honeywell MK VI - Manual (Page 318)

Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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7.5.1 System Status Messages
System Status Messages provide additional information beyond Internal and External Current Faults in order to help isolate
the reason for certain EGPWC INOP situations. These messages will be read out during Present Status on the RS-232
interface or voice output during Self-Test Level 2. The table below defines the System Status Messages.
TABLE 7.5.1-1: EGPWC SYSTEM STATUS MESSAGES
System Level Event
INTERNAL INDICATIONS
System Status Message
Bank Angle INOP BAINOP TRUE Bank Angle INOP
Envelope Mod INOP EMINOP Exists and set TRUE Envelope Modulation INOP
Mode 1 INOP M1INOP TRUE Mode 1 INOP
Mode 2 INOP M2INOP TRUE Mode 2 INOP
Mode 3 INOP M3INOP TRUE Mode 3 INOP
Mode 4 INOP M4INOP TRUE Mode 4 INOP
Mode 5 INOP M5GPWINOP TRUE Mode 5 INOP
Mode 6 INOP M6INOP TRUE Mode 6 INOP
TAD Deselected 1 Latitude Invalid Terrain Awareness – No Valid Latitude
Longitude Invalid Terrain Awareness - No Valid Longitude
True Heading Invalid Terrain Awareness - No Valid True Heading
Corrected Altitude Invalid Terrain Awareness - No Valid Corrected Altitude
Barometric Altitude Rate Invalid Terrain Awareness - No Valid Altitude Rate
Roll Invalid Terrain Awareness - No Valid Roll
Wx Mode 1 Invalid Terrain Awareness - Display Mode 1 Invalid
Wx Mode 2 Invalid Terrain Awareness - Display Mode 2 Invalid
Range 1 Invalid Terrain Awareness - Range 1 Invalid
Range 2 Invalid Terrain Awareness - Range 2 Invalid
Runway Distance invalid Terrain Awareness - No Valid Runway
Obstacle Database Invalid Terrain Awareness: No Valid Obstacle
Terrain Awareness INOP 2
TAINOP TRUE Terrain Awareness INOP
Terrain Clearance Floor
INOP 3 TCFINOP TRUE
(Always Created) Terrain Clearance Floor INOP
Position Error AND TCFINOP TRUE Terrain Clearance Floor - Position Error
Terrain Not Available 4
TAD Position Error AND TAINOP FALSE Terrain Awareness - Position Error
Outside Regional Database TRUE (MK VI
ONLY) Terrain Awareness – Outside Regional Terrain
Database
Windshear INOP 5
WSINOP TRUE Windshear INOP
1 The following preconditions apply: a) The signal must not be faulted since if faulted, signal fault message will exist,
b) TAD/TCF Inhibit Discrete is NOT selected, c) TAD Disable program pin is NOT selected, d) The signal condition
must NOT be masked via the configuration database and both On-Ground and In-Air masks must be taken into account,
e) The associated input signal must exist for the current aircraft configuration.
2 TAD INOP Preconditions: a) TAD/TCF Inhibit Discrete NOT selected, and b) TAD Disable configuration NOT
selected.
3 TCF INOP Precond itions: a) TCF Disable configuration NOT selected (TRUE causes TCF INOP).
4 TAD INOP Preconditions: a) TAD/TCF Inhibit Discrete NOT selected, and b) TAD Disable configuration NOT
selected.
5 Windshear INOP Precondition: The windshear algorithm has been defined within the current aircraft configuration