4-28 Garmin G500 Pilot’s Guide 190-01102-02 Rev. BForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndex4.6.5 Traffic Pop-UpWhen the GDU 620 MFD is displaying any page (other than the NAV Trafficpage) and a traffic alert becomes active, the Traffic Warning pop-up will bedisplayed.NOTE: The traffic pop-up will not appear when your aircraft is on theground.Press ENT to go directly to the Traffic page.ORPress CLR to return to the previously viewed page.Traffic Pop-UpFigure 4-18 Traffic Pop-Up4.6.6 TIS System StatusThe GDU 620 performs an automatic test of TIS during power-up. IfTIS passes the test, TIS enters Standby Mode on the ground or OperatingMode in the air. If TIS fails the power up test, an annunciation is shownin the center of the Traffic Map Page.