Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 46
6.2 GPWS Functions
Revision History
Effectivity
Date - Modified By Description of the Updates App. Cfg.
29-NOV-99 Peter Bateman Initial Release and entry into PVCS -001 -001
08-MAR-00 M. Calhoun SCR 4908: Corrected Mode 1 curve in Figure 6.2.1-2. Added Figure
6.2.4.1-2A to correctly show Mode 4A type 5.
-001 -001
24-MAY-00 Susie Wright SCR 4795: Add Envelope Modulation for EM6/8. General document
cleanup.
-003 -003
06-JUN-00 – Susie Wright Document only change – Deleted proprietary note from footer. -003 -003
01-DEC-00 – Susie Wright Doc only change - Added Lamp Format 2 plus general document cleanup. -006 -006
27-FEB-01 – M. Calhoun SCR 5803: Added addition text to steep approach in 6.2.1. -008 -008
07-JUL-01 – S. Wright Added review comments. -008 -008
30-JAN-02 – N Paterson Doc only change. Added TAD High Integrity paragraph to mode 4. -010 -010
GPWS functions consist of Modes 1 through 5 as generally described in section 1.3. Mode outputs consist of the following:
Voice messages via the 8 and 600 ohm audio outputs.
Lamp driver outputs.
In addition, all voice messages, and lamp driver states, are output on ARINC 429 labels for EFIS display flight recording, and
test purposes.