132Basic OperationTraffic in Map ModeTraffic may be viewed on any of the Map mode displays by pressing the Traffic display Menu Item selection inMap mode.Traffic AnnunciationsInterruption of information from the traffic sensor will be reported on the GNS 480 display by an annunciationon the Map and Traffic mode pages. The table below describes the annunciations.Map Mode Traffic Mode DescriptionTFC OPER Traffic is on and available.CST0:06CST0:06TIS only annunciations. TIS data is coasted. This message is displayedwhen data has not been received for 6-12 seconds.RMVD0:30RMVD0:30TIS only annunciations. Traffic is removed from the display. This mes-sage is displayed when data has not been received for 13-59 seconds.After 60 seconds, the message will transition to TFC Unavailable.TFCN/ANot Available TIS only annunciations. Aircraft is outside the TIS coverage area.TFCSTBYStandby Traffic is in Standby state. Set Traffic to Operational in Traffic mode.TFCFAILFailed Traffic sensor has failed.TFCFAILData Fail Skywatch only. No Skywatch data received for 2 seconds, TAS datafail, or TAS Data Time out.TFCTESTSkywatch Test Skywatch only. Displayed while the Skywatch unit is running itsself-test.Traffic Mode AnnunciationsMap Mode AnnunciationçççêTraffic