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2.
D.
Navigation Display
(ND) Formats
The navigation display is comprised of the following three display modes:
c Map Mode
Compass (COMP)
Mode
.
Plan Mode
The above modes are selected by the crew via the on-side display
controller. The following paragraphs contain specific descriptions of
each NAV display mode.
(1) Navigation Display - General
(a) Static AirTemp
(SAT), True Airspeed (TAS), and Groundspeed
(GSPD) Displays - The SAT, TAS, and GSPD digital readouts
appear in all three of the above listed NAV display formats.
The data is positionally stable in the MAP, COMP, and PLAN
modes. This data is displayed in the extreme lower right-hand
corner of the ND.
In each case, the data is labeled in dim
white and the actual value is displayed in bright white. Data
for SAT and TAS
comes from the selected DADC
source and GSPD
comes from the selected ND FMS source.
(b) Weather Radar (WX) Mode Annunciations - Weather radar mode
annunciations appear in the MAP, COMP,
and PLAN modes.
The
data is positionally
stable
in all three ND modes. This data
is displayed in the extreme lower left corner of the ND.
Available modes for the P-800 Weather Radar Svstem are as
follows:
WX (Amber) -
STBY (Green).-
WX (Green) -
GMAP (Green) -
TEST (Green) -
FAIL (Amber) -
RCT (Green) -
GCR (Amber) -
TGT (Green) -
TGT (Amber) -
VAR (Amber) -
WX (Flashing
WXR Off/WXR Fail
Standby Mode
Weather Mode
Ground Map Mode
Test Mode
Test Mode Failed Annunciation
REACT Mode
Ground Clutter Reduction Mode
Target Alert On
Target Alert Active
Variable Gain Mode
Amber) - ND is not in PLAN mode to display
Test, Weather, or Ground Map
22-14-00
Page 233
Apr 15/93
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of information
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