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EGPWS LINE MAINTENANCE MANUAL
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO.: 060-4199-180 REV: G SHEET 48 of 68
3.8.37 TACTICAL SELECT DISCRETE
Tactical Select discrete may be used by EGPWS for an indication that the Tactical Select switch has been pressed.
Type: momentary make/break switch
Signal Status: Tactical Select Selected or Not Selected
Level 6 Audio readout
Tactical Select Discrete
Selected =>
Not Selected =>
“Tactical Selected”
“Tactical Not Selected”
3.8.38 ALTITUDE ALERT DISCRETE
Altitude Alert discrete may be used by EGPWS for an indication that the Altitude Alert is selected.
Type: Discrete for activating the Altitude Alert tone.
Signal Status: Altitude Alert Selected or Deselected
Level 6 Audio readout
Altitude Alert Discrete
True =>
False =>
“Altitude Alert Selected”
“Altitude Alert Deselected”
3.8.39 CORRECTED BAROMETRIC ALTITUDE VALIDITY DISCRETE
Corrected Barometric Altitude Validity Discrete may be used by EGPWS to determine when the Corrected Altitude
input is invalid.
Type: Validity from Corrected Barometric Altitude computer.
Signal Status: Valid or Invalid
Level 6 Audio readout
Corrected Barometric Alt Valid
Valid =>
Invalid =>
“Corrected Altitude Valid”
“Corrected Altitude Invalid”
3.8.40 MOMENTARY FLAP OVERRIDE DISCRETE
Flap Override Discrete may be used by EGPWS to determine when Flap Override has been selected.
Type: Momentary make/break switch.
Signal Status: Selected or Not Selected
Level 6 Audio readout
Momentary Flap Override Discrete
Selected =>
Not Selected =>
“Flap Override”
“Not Flap Override”