Garmin GTS 855 - Manual (Page 20)

16 Garmin GTS 8XX Series Traffic Advisory System 190-00587-02 Rev. A
The annunciations to indicate the status of traffic information appear in a
banner on the traffic display. The annunciations may vary by display product.
See the particular pilot’s guide for specific details.
Traffic Status Banner Annunciation Description
TA OFF SCALE A Traffic Advisory is outside the selected
display range.
Annunciation is removed when traffic
comes within the selected display range.
TA X.X ± XX  System cannot determine bearing of
Traffic Advisory.
Annunciation indicates distance in NM,
altitude separation in hundreds of feet,
and altitude trend arrow (climbing/
descending).
Table 8 TAS Traffic Status Annunciations