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PLAN mode
 (Ref. Fig. 025)
 The ND displays a static map orientated with respect to the
 true North.
 The information displayed is the same as the one in ARC mode,
 but not ahead of the aircraft:
 the map is centered on a Map Reference Point which the pilot
 chooses on his MCDU and which can be:

 -either the active waypoint - or any other selected waypoint of the flight plan. The scale of the map is the one chosen by means of the scale selector switch (the range value selected corresponding to the diameter of the outer circle). The GS, TAS and wind data, and the active waypoint data are displayed like in the other modes; but no navigation station characteristics and associated bearing pointers are available in this mode. The A/C position on the map is represented by a track-orientated yellow A/C symbol.
 1EFF : 106-149, 303-399, 1 31-60-00Page 46 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND in ARC Mode - Typical En Route Flight Plan
 Figure 021

 1EFF : 106-149, 303-399, 1 31-60-00Page 47 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND in ARC Mode - AP/FD in TRACK Mode - A/C off the Flight Plan
 Figure 022

 1EFF : 106-149, 303-399, 1 31-60-00Page 48 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND in ARC Mode - Takeoff Example
 Figure 023

 1EFF : 106-149, 303-399, 1 31-60-00Page 49 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND in ARC Mode - VOR/FMGC Discrepancy Message
 Figure 024

 1EFF : 106-149, 303-399, 1 31-60-00Page 50 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND in Plan Mode Figure 025
 1EFF : 1 1 1CES  106-149, 303-399,  1 111 Page 5131-60-00 Config-3 Aug 01/05

 

 (c) Weather radar information (Ref. Fig. 026) Weather radar information is available in any ND Mode except the PLAN Mode. For a given range selected value, the image scale is the same in the ROSE and ARC modes, since the ROSE diameter is exactly equal to the arc radius in the ARC mode: the weather radar indications in the ROSE mode are identical to those in the ARC mode, but shifted upwards. The same applies to the map data. (Ref. Fig. 027) Consequently, the radius of the heading dial represents half the selected range marker value in the ROSE mode, and the full value in the ARC mode. When the weather radar operates, information related to its proper operation is displayed in the ND R lower corner, above the possible side 2 nav. station characteristics:
 -tilt angle
 -calibration mode

 -failure messages.
 Each pilot can remove the weather radar image from his ND if he
 sets the associated potentiometer to the minimum.

 (d) ND Messages Three kinds of messages may be presented on the ND:
 -type of approach selected (green, in the mid upper part of the DU)
 -
messages associated with a permanent or temporary map loss: MAP NOT AVAIL, MODE CHANGE, RANGE CHANGE (red, in the center of the DU)

 -
messages associated with data display or FMS operation (amber,

 in the mid lower part of the DU).
 (Ref. Fig. 024)

 (e) TCAS Indications (Ref. Fig. 001, 028) When intruders are present, they are presented (in ROSE and ARC modes only and for the 10, 20 and 40 NM selected ranges) according to their relative altitude, position and bearing with respect to the aircraft. They are divided into several categories: Proximate Traffic, Traffic Advisory, Resolution Advisory according to the threat they represent.
 1EFF : 106-149, 303-399, 1 31-60-00Page 52 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND - Weather Radar in ARC Mode
 Figure 026

 1EFF : 106-149, 303-399, 1 31-60-00Page 53 1 1 Config-3 Aug 01/05 1 1 1CES 1

 ND - Weather Radar Image in ARC and ROSE Mode
 Figure 027

 1EFF : 106-149, 303-399, 1 31-60-00Page 54 1 1 Config-3 Aug 01/05 1 1 1CES 1

 TCAS Indications Figure 028
 1EFF : 1 1 1CES  106-149, 303-399,  1 111 Page 5531-60-00 Config-3 Aug 01/05

 

 Depending on their classification, they have a specific symbology with associated data tag for altitude indication and vertical trend. the off scale intruders are presented through a specific half symbol displayed at the edge of the mask of the ND selected mode. The characteristics of the intruders without bearing are displayed above the FM messages (at the bottom of the ND image). In addition to intruders, specific messages are displayed depending on the various configurations:
 -
TCAS : REDUCE RANGE (amber or red)
 (Ref. Fig. 029)

 -
TCAS : CHANGE MODE (amber or red)

 -TA ONLY (white)
 (Ref. Fig. 030) In case of TCAS failure, the message NAV TCAS FAULT generated by the FWC is displayed in the warning section of the upper ECAM DU. In addition to this warning a TCAS flag is displayed on the ND and the PFD.
　
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