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GF1110_085a
TO/FROM Indicator
The conventionnal TO/FROM Indication is displayed when VOR/LOC is selected as the primary
navigation source.
When the course deviation indicator (CDI) is between ±88° in reference to the VOR course, the
TO/FROM symbol indicates TO. When the CDI exceeds ±92° from the VOR course, the TO/FROM
symbol indicates FROM. The indicator is removed when the course deviation is between 89° and
91°.
A square replaces the conventional TO/FROM indicator when the FMS or the LOC is selected as
the navigation source.
Navigation Source Indication
The navigation source indication is displayed at the lower left of the display. The primary
navigation source information and the pilot sensor selection must be present in order to display the
navigation source.
Sensor Source Indication
When an alternate data source is selected, an annunciation is displayed to indicate the source
selected. The indication is displayed continuously when the pilot and the copilot use the same
source.
FLIGHT INSTRUMENTS
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
11−10−87
HUD SYMBOLOGY (CONT'D)
True Heading Annunciation
The True heading annunciation is located at the left of the navigation source indication, when the
FMS True heading as been selected.
Sensor Source
Indication
True Heading
Annunciation
NA Source
Annunciation
TO/FROM
Indicator
V
GF1110_086
Bearing Pointer
Two bearing pointers can be displayed on the HSI compass. Due to the limited visual range of the
HSI compass, at least one part of the pointer will remain in view.
The bearing pointers displayed on the HUD are consistent with the selection on the pilot’s PFD.
Two of the following bearings can be displayed simultaneously:
• VOR 1 or, ADF 1, or Pilot FMS and
• VOR 2 or, ADF 2, or co-pilot FMS.
Bearings are referenced to magnetic north unless true north is selected and indicated on the HUD.
Vertical deviation Scale
The vertical deviation scale is located to the left of the altitude tape. The vertical deviation scale
and the altitude tape move together to the right edge of the display to accommodate the FPV when
necessary.
Glideslope Deviation
The pointer is displayed to the right of the vertical deviation scale. A limited pointer deviation is
shown with half the pointer in view at the appropriate position corresponding to ±2.5 dots.
The glideslope deviation is displayed when the primary navigation source is LOC, the glideslope
deviation is valid, and the airplane is not in Back Course.
The glideslope Deviation scale is not displayed in TO or GA mode or when the Radio Altitude is
less than 50 ft.
FLIGHT INSTRUMENTS
Flight Crew Operating Manual REV 51, Aug 14, 2006
CSP 700−6
Volume 2
11−10−88
HUD SYMBOLOGY (CONT'D)
Glideslope Deviation (Cont’d)
Bearing
P
35
10
Glideslope
Deviation
ointers
Vertical
Deviation Scale
GF1110_087a
VNAV Vertical Deviation
The VNAV vertical deviation is displayed to the left of the vertical scale when the vertical captured
mode is VPTH. A limited pointer deviation is shown as a half pointer in view at a position
corresponding to ±2.5 dots. Also the VNAV vertical deviation is shown when a Vertical Track Alert
(VTA) is annunciated on the PFD’s with the associated double C-chord.
When the FMS approach sensitivity is set to normal, the ±2 dots scale corresponds to the vertical
scale factor provided in feet. When the vertical scale factor is not provided, the ±2 dots scale
corresponds to ±500 ft. When the FMS approach sensitivity is not set, the normal sensitivity is
used.
Lateral Deviation Excessive Indication
The lateral deviation excessive annunciation is indicated by the lateral deviation scale flashing.
CAT 2 ILS Deviation Margin
The CAT 2 ILS deviation margin consists of 2 vertical dashed lines (lateral deviation limits of
approximately 1/3 of a dot) and 2 horizontal dashed lines (vertical deviation limits of approximately
one dot). When both limits are displayed, the shape of the CAT 2 ILS margin is a square. It is
displayed in relation to the FPV. The CAT 2 ILS deviation is displayed when:
• CAT 2 mode is indicated, and
• The DH is set to a value lower than 200 ft, and
• The Radio Altitude is less than 300 ft but greater than DH.
When the LOC lateral deviation is not valid, the lateral deviation limits are removed and the vertical
deviation limits are laterally centered on the FPV.
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