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庞巴迪环球5000公务机机组操作手册 Bombardier Global-导航(20)

时间:2011-11-11 09:40来源:蓝天飞行翻译 作者:公务机
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ANNUNCIATORS FUNCTION KEYS PHOTO SENSOR

Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2

Annunciators
There are six annunciators located at the top of the Control Display Unit (CDU) LCD panel. The annunciators are left justified. White annunciators indicates an advisory annunciation, amber annunciators indicate an alerting annunciation.
Annunciators

GF1710_094
The annunciators are:

(Display) . is lit when the CDU displays:
.  
A flight plan page other than the first page of the active flight plan.

.  
A stored flight plan page.

.  
Any of the review pages for SIDs and STARs/approaches.

.  
A CHANGE ACTIVE LEG message.

.  
Defining an INTERCEPT waypoint on the active leg.

 

(Dead Reckoning) . is lit when operating in the DR mode for longer than 2 minutes. The DR mode is defined as the loss of radio updating and all other position sensors.

(Degraded) . is lit when the FMS cannot guarantee the position accuracy for the present phase of flight due to sensor availability. If the DR annunciator is lit when DGRAD is lit, DGRAD annunciator goes out. The annunciator is lit if both of the following conditions are valid:
.  
The sensors being used to navigate are not approved for the current phase of flight.

.  
A non-precision instrument approach (NDB, NDB/DME, VOR, VOR/DME, GPS, RNAV, or DME/DME) is selected. If no approach, or an ILS, LOC, LOC-BC, LDA, SDF, or MLS approach is selected, the APRCH annunciator does not light.


Volume 2  Flight Crew Operating Manual Rev 2A, Apr 11, 2005
Annunciators (Cont’d)


Flight Phase Approved sensors (Navigation Mode)
GPS DME/DME VOR/DME IRS

Departure or X X X (see note)
Terminal

Enroute
X Oceanic XXXX VOR/DME or .
VOR Approach GPS Approach X . . . NBD Approach . NOTE:The FMS uses IRS as the navigation mode for a limited time in these phases of flight. The
time is determined in the FMS by estimating when the drift rate error of the IRS exceeds 1.7 NM for departure and terminal operations.

(Message) . is lit when a message is displayed in the scratchpad. Messages are displayed in the CDU scratchpad to inform or alert the pilot as to the system status. The annunciator goes out after the message(s) has been cleared from the scratchpad. For a list of FMS messages, refer to the Flight Management System Pilot’s Guide. Messages are divided into two groups:
.  
Advisory messages . Contains information that is useful to the pilot. Are usually the result of a pilot action on the CDU.

.
Alerting messages  . Alert the pilot to FMS status.

 

 

If a graphic or video is currently displayed on the CDU.820 and a message appears, the CDU display will immediately return to the FMS page and a message will be shown in the scratchpad.
 
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