SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
Enhanced Ground Proximity Warning System (Optional)
D--2
Single Weather Radar Controller
With a single weather radar controller , pushing the MFD EGPWS
switch toggles the display in the following sequence:
D Terrain data with map terrain data only terrain data with map.
If the WX ONLY display is disabled, pushing the MFD EGPWS switch
only displays terrain data with map.
Dual Weather Radar Controllers
With dual weather radar controllers, pushing the MFD EGPWS switch
toggles the display in the following sequence:
D Terrain data with map (range set by left controller)
D Terrain data only (range set by left controller)
D Terrain data with map (range set by right controller)
D Terrain data only (range set by right controller)
D Terrain data with map (range set by left controller).
If the WX ONLY display is disabled, pushing the MFD EGPWS switch
toggles the display in the following sequence:
D Terrain data with map (range set by left controller)
D Terrain data with map (range set by right controller)
D Terrain data with map (range set by left controller).
Terrain Range Control
The range for any of the selected displays is sent to the EFIS by the
EGPWS. The EGPWS gets the range from the active weather radar
controller or controllers, except when terrain auto pop--up occurs on the
MFD. In dual controller systems, the active controller is indicated by a
couple arrow on the WX/terrain display that points toward the controller
in use. If the weather radar controllers are off, or if they are inoperative,
the default EGPWS range is 50 NM, i.e., 25 NM half range.
If the EGPWS sends out an invalid range signal, TERR is displayed on
the MFD.
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