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3.1.13.4 Display Select Input
An input supplied by a momentarily actuated cockpit manual switch that tog-
gles between activating and de-activating the Terrain Awareness Display
(TAD).
J10-123 GND_DISC_12 (Disp. Sel.)
3.1.13.5 Terrain Awareness Inhibit Discrete
Terrain awareness will be provided via Terrain and Runway Databases. All
runways >2000 feet are provided. The nominal terrain database resolution
around the airport will be 15 arc-seconds where available. This resolution is
not needed for flat areas.
J10-126 GND_DISC_15 (Terrain Awareness Inhibit)
3.1.14
Terrain Warning
This is a means of displaying to the flight crew that there is a critical situation
involving terrain clearance and corrective action is required.
J10-116 TERRAIN WARNING
3.1.15
Terrain Caution
This is a means of displaying to the flight crew that there is a terrain clearance
situation developing that needs to be monitored.
J10-117 (TERRAIN CAUTION)
3.1.16
Weather Select Output
A discrete output for controlling the terrain display. It can be used either to
control a picture bus switching relay or connected directly to a symbol genera-
tor.
J10-118 (WX/EGPWS DISPLAY SELECT)
Rev 3, August/2002
10609I03.CDL
KMH 880/KTA 870
Page 3- 12
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