Egpws alert discrete #2 (274), Egpwc alert discrete #3 (300) – Honeywell MK VI User Manual
Page 307

Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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307
7.1.1.5 EGPWS Alert Discrete #2 (274)
Data:
Discrete
Label:
274 Octal
Significant Bits:
(see table below)
Sign Bit:
N/A
Transmit Interval:
50 to 100 msec
Bit No.
ASSOCIATED DISCRETE PIN
DEFINITION (1 = ON)
11
J1-76
(TYPICALLY GLIDESLOPE CANCEL)
12
J1-77
GPWS ALERT
13
J1-78
GPWS WARNING
14
----
GPWS INOP
* 15
----
WINDSHEAR WARNING
16
J1-69
AUDIO ON
* 17
----
WINDSHEAR INOP
* 18
----
WINDSHEAR CAUTION
* 19
----
CALLOUTS INOP
* 20
----
VEE ONE INOP
* 21
----
ENGINE FAIL INOP
22
----
TERRAIN AWARENESS WARNING or OBSTACLE AWARENESS WARNING
23
----
TERRAIN AWARENESS CAUTION or OBSTACLE AWARENESS CAUTION
24
----
TERRAIN AWARENESS INOP
25
FRONT PANEL LED
EXTERNAL FAULT
26
FRONT PANEL LED
COMPUTER FAIL
27
----
TERRAIN AWARENESS NOT AVAILABLE
28
J1-54
TERRAIN DISPLAY DISCRETE #1
* 29
J1-49
TERRAIN DISPLAY DISCRETE #2
NOTE (*): Bits 15, 17- 21 and 29 will be set to zero when Not Supported. Bits 15, 17, & 18 are supported by MKVIII EGPWS only, provided that WS
is included in configuration. Bits 20 & 21 are Not supported.
7.1.1.6 EGPWC Alert Discrete #3 (300)
Data:
Discrete
Label:
300 Octal
Significant Bits:
(see table below)
Sign Bit:
N/A
Transmit Interval:
50 to 100 msec
BIT No.
DEFINITION
11
MODES 1-4 INOP
12
MODE 5 INOP
13
MODE 6 INOP
14
BANK ANGLE INOP
* 15
MODE 7 INOP
16
TERRAIN CLEARANCE FLOOR INOP or RUNWAY FIELD CLEARANCE FLOOR INOP
17
TERRAIN AWARENESS INOP
18
ENVELOPE MODULATION INOP
* 19
SPEED BRAKE INHIBIT
* 20
SPEED BRAKE ALERT
* 21
TCAS INHIBIT
* 22
(SPARE)
* 23
(SPARE)
* 24
(SPARE)
* 25
(SPARE)
* 26
(SPARE)
* 27
FLAP OVERRIDE LATCH
28
OBSTACLE AWARENESS CAUTION
29
OBSTACLE AWARENESS WARNING
NOTE (*): Bits 15 and 19 - 27 will be set to zero when Not Supported. Bit 15 is supported by MKVIII EGPWS only, provided that WS is included in
configuration. Bits 19 - 27 are Not supported.