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GF1110_076
FLIGHT INSTRUMENTS
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
11−10−77
HUD SYMBOLOGY (CONT'D)
Airspeed Tape
The airspeed tape displays the current indicated airspeed derived from the pilot selected MADC
with a range of ±40 kt from current airspeed. The airspeed indication has a total range of 30 to
900 kt.
To enable greater lateral movement of the FPV under strong crosswind condition, the airspeed
tape moves outboard to the edge of the display thus maintaining the FPV in conformal view.
Airspeed Readout
The airspeed readout is located in the value window in the center of the airspeed tape. The
airspeed readout is displayed in 1 kt increments and has priority over the airspeed tape and all
symbology.
Airspeed Trend Vector
The airspeed trend vector indicates the airspeed the airplane will attain in 6 seconds assuming the
current acceleration is maintained.
Selected Airspeed Readout
The selected airspeed readout is located above the airspeed tape between two horizontal lines. It
has a resolution of 1 kt and has a range of 0 kt through 900 kt inclusively. The Selected Airspeed
is displayed when:
• Indicated Airspeed is valid, and
• Selected Airspeed is valid, and
• IAS FMS/Man indicates Manual, and
• Selected Airspeed Type is IAS and less than VMO.
NOTE
VMO is displayed when the selected airspeed is at VMO.
Airspeed
Readout
Airspeed
Trend Vector
Airspeed
Tape
Selected
Airspeed
GF1110_077a
FLIGHT INSTRUMENTS
Flight Crew Operating Manual REV 51, Aug 14, 2006
CSP 700−6
Volume 2
11−10−78
HUD SYMBOLOGY (CONT'D)
Selected Airspeed Bug
The selected airspeed bug is displayed to the left of the airspeed tape. The airspeed bug will
display either Manual airspeed bug selection or FMS speed depending on the selection of IAS
FMS/Man in either MAN or FMS.
When the selected airspeed is off-scale, the airspeed bug is located at the appropriate end of the
airspeed tape and one half of the symbol is masked.
FMS Selected Airspeed
The FMS selected airspeed is displayed in place of the selected airspeed readout with an “F” label
in large font, with a resolution of 1 kt and has a range of 0 kt through 900 kt inclusively. The FMS
speed is displayed when:
• IAS is valid, and
• FMS speed is valid, and
• IAS FMS/Man indicates FMS, and
• FMS speed reference is speed.
Selected
Airspeed
Bug
FMS Selected
Airspeed
415 00
405 00
410 00
SPD
F250
280
260
253
240
220
410 00
GF1110_078a
FLIGHT INSTRUMENTS
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
11−10−79
HUD SYMBOLOGY (CONT'D)
Mach Readout
The Mach readout is located below the airspeed tape when the Mach exceeds 0.450 M and
remains greater than 0.400 M. The Mach readout has a resolution of 0.001 M.
Selected Mach Readout
The selected Mach readout is displayed in large font in place of the selected airspeed readout and
has a resolution of 0.01 M. The selected Mach is displayed when:
• Airspeed tape is displayed, and
• IAS FMS/Man indicates MAN, and
• Selected airspeed type is Mach and less than MMO.
NOTE
MMO is displayed when the selected airspeed is at MMO.
FMS Selected Mach Readout
The FMS selected mach readout is displayed above the airspeed tape with a letter “F”. It is
displayed in large font in place of the selected airspeed readout, and has a resolution of 0.01 M.
The FMS readout is displayed when:
• Airspeed tape is displayed, and
• IAS FMS/Man Indicates FMS, and
• Selected airspeed type is Mach.
Mach
Readout
Selected Mach
Readout
FMS Selected
Mach Readout
F
GF1110_079a
FLIGHT INSTRUMENTS
Flight Crew Operating Manual REV 51, Aug 14, 2006
CSP 700−6
Volume 2
11−10−80
HUD SYMBOLOGY (CONT'D)
VMO/MMO Annunciation
The VMO indication is displayed in large font, instead of the selected airspeed when the IAS
FMS/Man indicates MAN and the selected airspeed type is IAS.
The MMO indication is displayed in large font, instead of the selected Mach when the airplane
exceeds VMO/MMO and the IAS FMS/Man indicates MAN and the selected airspeed type is Mach.
VMO Thermometer
The VMO thermometer extends from the Vmo to the top of the airspeed tape. The following
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