飞行翻译_公务机_公务航空_Business Jet_Business Aviation

cue light illuminates to indicate that operator action is required. The clear

key is used to remove entered data and clear the display. A cue light illuminates to indicate that operator action is required.
The back

key is used to select the number and position of the previous waypoint for display when the WPT cue light is illuminated.
Special Function Keyboard
The special function keyboard consists of the following:

The magnetic/true north

key is used to indicate north reference. When the M cue light is illuminated, the NDU displays data referenced to magnetic north. When the T cue light is illuminated, the NDU displays data referenced to true north. The bright/dim

key is used to control the lighting of the NDU display. When first pressed and held, the display intensity increases until the brightest level is reached. When pressed and held a second time, the display intensity decreases until the dimmest level is reached.
The test

key is used to start a test of all NDU annunciators, cue lights and display.
System Select Keys
The system select

keys are used to select data for display from IRU1, IRU2, or IRU3. The NDU displays data from one IRU at a time. The selected IRUs cue light is illuminated.
Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005
Data Select Keyboard
The data select keyboard is used to select data for display. Each key contains a cue light that indicates what type of data has been selected. When the WPT, LEG CHG, POS, or HDG STS key is pressed, the operator can enter new data or modify the data that the NDU is displaying. The data select keyboard consists of the following:

waypoints. When this key is repeatedly pressed, the NDU displays the successive flight plan waypoints by number and position.
The leg change

key is used to define or modify the current flight plan leg by displaying the FROM and TO waypoint numbers. The current leg must be defined before navigation data can be defined and displayed.
The crosstrack/desired track

key is used to select and display the crosstrack error in nautical miles from the current leg and the desired track of that leg.
The distance/time

key is used to select and display the distance and time to the TO waypoint based upon present position and current ground speed.
The track/ground speed

key is used to select and display the current track and ground speed.
The position

key is used to initialize and display the present position of the airplane.
The wind direction/wind speed

key is used to select and display the current wind direction and wind speed.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2