曝光台 注意防骗
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must be disconnected above 500 feet AGL or an approach
warning will occur.
Conformal Selected Heading Mark: A Selected Heading Mark is
displayed on the Zero-Degree Pitch Line to mark the Selected Heading. If
the Selected Heading is outside the currently displayed heading scale on the
Zero-Degree Pitch Line, then the Selected Heading Mark is not displayed.
Selected Heading: Selected Heading is displayed on the lower right part of
the display as “HDG” followed by the selected heading. This symbol shows
for 5 seconds when the selected heading is changed, and continuously if the
aircraft is more than 100º from its selected heading.
Conformal Selected Course Mark: A Conformal Selected Course Mark is
displayed below the Zero-Degree Pitch Line pointing to the related Selected
Course. When the Selected Course is on the currently displayed heading
scale, a 3° gap on the Zero-Degree Pitch Line shows around the Selected
Course Mark. If the Selected Course is outside the currently displayed
Heading Scale on the Zero-Degree Pitch Line, then the Conformal Selected
Course Mark is “ghosted” to the side closest to the Selected Course. See
“Non-Conformal Display Characteristics” later in this section.
Selected Course/FMS Desired Track: Selected Course/FMS Desired
Track is displayed as “CRS” followed by the aircraft’s selected course in
left lower part of the display. This symbol shows for 5 seconds when the
selected course is changed, and continuously if the aircraft is more than
100º from its selected course.
Runway Edge Lines: Runway Edge Lines are displayed between 300 feet
AGL and 60 feet AGL. The aircraft’s orientation to the runway is shown
with the runway symbols in perspective to the real world runway. The
lateral position of the Runway Edge Lines is set by the Selected Course.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-69
Figure 4-31:
Approach Modes Navigation Symbols
Figure 4-32:
Approach Modes Navigation Symbols
Autopilot
Engaged Message
Conformal
Selected
Heading Mark
Selected
Conformal Heading
Selected
Course Mark
Selected
Course
Runway Edge
Lines
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-70 November 2002 9701-1153 Rev A
Navigation Source: The Navigation Source is in the lower left corner of the
display shows the navigation source set on the Display Control Panel. The
possible Navigation Source Annunciations are listed in Table 4-18.
Table 4-18: Approach Modes Navigation Sources
Symbol Function
“LOC1” #1 GS/LOC Receiver tuned and shows on left-side PFD
“LOC2” #2 GS/LOC Receiver tuned and shows on left-side PFD
“FMS” Single FMS installation: FMS is navigation source and shows
on left-side PFD
“FMS1” Dual FMS installation: #1 FMS is navigation source and shows
on left-side PFD
“FMS2” Dual FMS installation: #2 FMS is navigation source and shows
on left-side PFD
“VOR1” #1 NAV Receiver tuned to VOR (ILS #1 not tuned) and shows
on left-side PFD
“VOR2” #2 NAV Receiver tuned to VOR (ILS #2 not tuned) and shows
on left-side PFD
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-71
Figure 4-33:
Approach Modes Navigation Symbols
Navigation
Source
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-72 November 2002 9701-1153 Rev A
Lateral Deviation Line: shows as a vertical line with a gap in the center to
give the lateral deviation of the aircraft from the selected course. When the
aircraft is on course, this line aligns with the Conformal Selected Course
Pointer on the Zero-Degree Pitch Line.
Glideslope Deviation Line: shows as a horizontal line with a gap in the
center to give the vertical deviation of the aircraft from the reference
glideslope.
The Glideslope Deviation Line is not displayed above the Zero-Degree
Pitch Line. The G/S Deviation Line is removed at 70 feet AGL.
DME/FMS Distance: DME/FMS Distance is displayed in the lower left
corner of the display. The distance is displayed in 0.1 nautical mile
increments between 0 and 99.9 miles, and in one nautical mile increments
above 99.9 miles. The distance is from the DME when the NAV source is
VOR or LOC and from the FMS waypoint when FMS is selected. The
distance is followed by “NM” or “H” for a “HOLD” mode.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-73
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