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HUD ANNUNCIATIONS (CONT'D) AP1 FLC 2250 Autothrottle Engage Mode Windshear Warning Selected Course Readout Navigation Source Annunciation DME HOLD Annunciation Selected Heading Readout Heading Index Heading Scale Lateral Deviation Pointer Lateral Deviation Scale Selected Heading Bug Selected Course Bug Metric Altitude Readout FCS Couple Arrows FD Vertical Armed Mode FD Vertical Captured Mode Autopilot Status Annunciation Slip Indicator Flight Director Lateral Armed Mode Flight Director Lateral captured Mode Skid GF1110_064a FLIGHT INSTRUMENTS REV 51, Aug 14, 2006 Flight Crew Operating Manual CSP 700−6 Volume 2 11−10−63 HUD ANNUNCIATIONS (CONT'D) Selected Vmo/Mmo Mach Thermometer Airspeed Tape Airspeed rend Vector Indicated Airspeed Readout Selected Airspeed Bug Low Speed Awareness Thermometer MACH Readout Waypoint Identifier Radio Altitude Readout Conformal Drift Bug DH Readout Conformal Selected Heading Bug Conformal Selected Course Bug Altitude Alert Windshear Caution AP/FD Mode Guidance Cue T GF1110_065 FLIGHT INSTRUMENTS Flight Crew Operating Manual REV 51, Aug 14, 2006 CSP 700−6 Volume 2 11−10−64 HUD SYMBOLOGY Aircraft Symbol The aircraft symbol represents the direction in which the the airplane longitudinal axis is pointing. The symbol is similar to the aircraft symbol on the conventionnal ADI and has a fixed position on the display. Flight Path Vector The Flight Path Vector (FPV) indicates the airplane track and path angle. The FPV is displayed when the airspeed is greater than 80 KIAS or the nose wheel is off the ground. The FPV symbol has priority over all other symbols except the guidance cue and the warning indications. Other symbols in the immediate vicinity of the FPV will therefore be masked. When the aircraft path is such that the FPV should be displayed in extreme positions or outside the display limits, the FPV position will not be fully representative of the aircraft path. The FPV will therefore be “non-conformal and displayed in dotted shape. However, in all conditions, the relative position between FPV and horizon line will indicate correctly a level flight (FPV on horizon line), a climb (FPV above) or descent (FPV below). NOTE In a Slat out/Flap 0 landing configuration, the high pitch attitude during the flare may lead to a non-conformal FPV. The actual path angle may be higher than depicted by the combination of FPV and Horizon. FLIGHT INSTRUMENTS REV 51, Aug 14, 2006 Flight Crew Operating Manual CSP 700−6 Volume 2 11−10−65 HUD SYMBOLOGY (CONT'D) Pitch Tape The pitch tape consists of a horizon line and a pitch scale which is centered on the aircraft symbol. When read in conjunction with the aircraft symbol, it indicates pitch attitude. The pitch scale is displayed in accordance with the selected IRS and is removed when the source is invalid. The pitch scale consists of a tick mark every 5 degrees and is limited to +/− 90 degrees. The negative pitch mark are displayed as dashed lines. The 0 degree pitch mark is replaced with the horizon line. The small vertical lines at either side of the pitch line always points towards the horizon. The pitch scale is removed when the airplane is on the ground and appears when the nose wheel is off the ground. Aircraft Symbol Pitch Tape Flight Path Vector GF1110_066a Airspeed VSPEED Bugs The VSpeed (V1, VR, V2, VFTO, VREF) bugs and labels are displayed in relation to the airspeed tape. Horizon Line The horizon line is conformal to the external scene; however, it will appear above the natural horizon at high altitude due to the curvature of the earth. During very high or low pitch attitude, a non-conformal horizon line is displayed as a dashed line. The horizon line is displayed as wide as the combiner to reinforce attitude awareness during low visibility approaches or when the airplane is in excessive pitch attitude. Roll Scale and Pointer The HUD roll scale consists of tick marks at 0, +5, +10, +20, and +30 degrees displayed above and centered to the airplane reference symbol. www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：庞巴迪挑战者手册7
