Other Message Area

• MAP Partly Displayed - In case of uncomplete data transmission between FMGC and DMC or if DMC cannot draw the complete MAP.
• NAV ACCUR DOWNGRAD or NAV ACCUR UPGRAD - Signals a change in navigation accuracy.
• SPECIF VOR / D UNAVAIL - If the navaid which is tuned for the selected approach or departure is not available.
• BACK UP NAV - If the MCDU back up navigation mode is activated.
• OFF SIDE FM CONTROL - If the offside FM supplies the ND.
• CHK FLT PLN POSITION - On ARC or ROSE NAV mode if the DMC detects a discrepancy between the acquisition and the display of the flight plan.
• SELECT TRUE REF - When entering the polar area if the TRUE North reference not selected by the crew.

OFST R( L ) XX Message
Message displayed when a temporary or an Offset flight plan are entered. The Offset value is given in NM.

G/S Flag
Indicates G/S data failure. Flashes for the first nine seconds.

VOR Flag
This flag is displayed in ROSE VOR mode when VOR bearing is not valid. Flashes for the first nine seconds.

Center Message Area

• MODE Change - Appears in GREEN when a discrepancy is detected between the selected mode on the EFIS control panel and the mode sent from the onside FMGC, or while a new page is being prepared by the DMC for display.
• RANGE Change - Appears in GREEN when a range discrepancy is detected between the selected range or the EFIS control panel and the range sent from the onside FMGC. Has priority over "MODE Change" message.
• MAP NOT AVAIL
  • The MODE Change or RANGE Change message is displayed more then 6 seconds.
  • A discrepancy is detected between the DMC and FMGC in case of EFIS control panel failure.
  • PLAN page is selected while the FMGC is not able to indicate the flight plan reference point.
  • Onside FMGC failure.
  • Aircraft position delivered by FMGC is not valid.

LOC Flag
Indicates LOC data failure first flashes for nine seconds then remains steady.

HDG Flag
In case of Heading data failure the rose / arc and associated symbols are cleared.

A HDG flag first flashing 9 seconds is displayed on the upper part of the ND.

Check HDG Flag
When a discrepancy ( 5° ) is detected by FWC between sides 1 and 2, a Check HDG flag is displayed on both NDs associated with an ECAM caution.

GPS APP
This message is displayed when a GPS Approach has been selected.

VOR Course Flag
In case of failure, a RED CRS XXX flag is displayed.

In case of Non Computed Data ( NCD ), a BLUE CRS - - - flag is displayed.

VOR / ADF / DME Flag
Indicates failure of a navigation receiver. Flashes for the first nine seconds.