Honeywell

MK XXII EGPWS Installation Manual

3.3.11 Category 11 – Heading Input Select

Category 11 defines the Magnetic Heading interface.

Appendix E Table E 3.1.11 defines the Heading Input Select types and identifies the first MK XXII EGPWS version in which the option was available (see the Effectivity entry).

3.3.11.1 Instructions

1.Using Appendix E Tables E 3, E 3.1.11 and E 3.1.11-x, select Heading Input type that matches the aircraft configuration, feature preferences, and version (part number) being installed.

2.Record the ID number for the Heading Input Select from Appendix E Table E 3.1.11 under the Ident No. heading for Step (Category) 11 on Table E 3. This number will be used for programming the configuration module.

3.Using the Heading Input Select number from Appendix E Table E 3.1.11 as “x”, go to Appendix E Table E 3.1.11-x.The electrical interfaces (pin-outs) for the Heading Input Select Type are shown in Appendix E Table E 3.1.11-xare used to determine the wiring interconnects and record it on Appendix A Fig A1-3.

3.3.11.2 Magnetic Heading

Magnetic Heading is used for Terrain Awareness alert and display and for Envelope Modulation.

CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225

REV: C SHEET 92

Page 92
Image 92
Honeywell MKXXII installation manual Category 11 Heading Input Select, Magnetic Heading