R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 (c) 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).

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 ND - TERRAIN Display R Figure 029
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 (d) TCAS Indications

R

R
R

R

(Ref. Fig. 030, 031)
 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.
 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. 032)

 -
TCAS : CHANGE MODE (amber or red)

 -TA ONLY (white)
(Ref. Fig. 033) 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.
 NOTE : Intruders whose bearing cannot be determined by the TCAS
____ are indicated through their distance and relative altitude value displayed on a line at the bottom of the ND image.
 The characteristics of two Resolutions Advisory or Traffic Advisory intruders can be shown.
**ON A/C 001-049, 051-099, 101-105, 151-199,
 (5) Windshear operation In approach or in take-off phase, a windshear warning or caution message is displayed on the PFD if a windshear alert is computed by the W/S system (Refer to 31-64-00). On the ND, an angular sector including a red and black icon is drawn to highlight where the windshear event is pending. When the crew is not in the best mode or range to be able to see it, a specific message is displayed in the center part of the ND to prompt the pilot to change the mode or range on the FCU. (Refer to 31-65-00).
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 TCAS Indications R Figure 030
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 TCAS Indications R Figure 031
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 TCAS Messages R Figure 032
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 TCAS Message R Figure 033
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R
R

R
R
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
Post SB 34-1147 For A/C 001-004,051-060,
 (6) GPS Primary function The GPS function is considered as PRIMARY when its position is delivered with the appropriate accuracy and integrity. It is then used for the computation and display of the A/C position, and for the autopilot use. In such a case, cross check with other means of navigation is no longer required. (Refer to 31-65-00) When the FM is using GPS for non precision approach, the vertical deviation scales is displayed at the same place as the GLIDE scale of the PFD. The GPS APP message is displayed on top of the ND image. (refer to 31-64 and 31-65)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 B. ECAM Operation This section relates ECAM part of the EIS display in normal configuration, i.e. without any failure and without transfer, and provided that the EIS is not engaged, partially or totally, in one of the test/ maintenance functions.
　
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