Honeywell MK V - Weather Radar On;Off; Localizer Validity Discretes (MK V and MK VII Only); Attitude Validity Discretes; Airspeed Validity Discrete

EGPWS LINE MAINTENANCE MANUAL
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO.: 060-4199-180 REV: G SHEET 45 of 68
3.8.24 WEATHER RADAR ON/OFF
Type: WXR On/Off switch input
Signal Status: Radar turned on or off
Level 6 Audio readout
WXR #1 On Discrete
On =>
Off =>
“Weather On”
“Weather Off”
WXR #2 On Discrete
On =>
Off =>
“Weather 2 On”
“Weather 2 Off”
3.8.25 LOCALIZER VALIDITY DISCRETES (MK V AND MK VII ONLY)
Two Localizer validity discretes may be used by EGPWS, one for each possible ARINC 547 Localizer Receiver
input.
Type: Validity from ARINC 547 Localizer receiver.
Signal Status: Valid or Invalid
Level 6 Audio readout
Localizer Validity Discrete #1
Valid =>
Invalid =>
“Localizer 1 Valid”
“Localizer 1 Invalid”
Localizer Validity Discrete #2
Valid =>
Invalid =>
“Localizer 2 Valid”
“Localizer 2 Invalid”
3.8.26 ATTITUDE VALIDITY DISCRETES
Two Attitude validity discretes may be used by EGPWS, one for each possible Attitude sensor.
Type: Validity from Attitude sensor.
Signal Status: Valid or Invalid
Level 6 Audio readout
Attitude Validity Discrete #1
Valid =>
Invalid =>
“Attitude 1 Valid”
“Attitude 1 Invalid”
Attitude Validity Discrete #2
Valid =>
Invalid =>
“Attitude 2 Valid”
“Attitude 2 Invalid”
3.8.27 AIRSPEED VALIDITY DISCRETE
Airspeed validity discrete may be used by EGPWS for the Airspeed sensor.
Type: Validity from Airspeed sensor.
Signal Status: Valid or Invalid
Level 6 Audio readout
Airspeed Validity Discrete
Valid =>
Invalid =>
“Airspeed Valid”
“Airspeed Invalid”