Garmin GTS 855 - Manual (Page 19)

15 190-00587-02 Rev. A Garmin GTS 8XX Series Traffic Advisory System
Power-Up
NOTE: The GTS 8XX Series automatically transitions from STANDBY to
OPERATE mode eight seconds after takeoff. The unit also automatically
transitions from OPERATE to STANDBY mode 24 seconds after landing.
After power-up, the GTS 8XX Series is in Standby Mode. The GTS 8XX Series
must be in Operating Mode for traffic to be displayed and for TAs to be issued.
System Status
The traffic mode is annunciated on the display product. The symbology
may vary by display product. See the particular pilot’s guide for specific details.
Mode
Traffic Mode Annunciation
(Traffic Page)
Traffic Display
Enabled Icon
(Other Maps)
Self-test Initiated TEST
Operating OPERATING
Standby
STANDBY
(also shown in white in center of page)
Failed* FAIL
Table 7 Example TAS/TCAS Modes
If the traffic unit fails, an annunciation as to the cause of the failure is shown
on the display product. During a failure condition, the Operating Mode cannot
be selected.
Traffic Map Page Annunciation Description
NO DATA Data is not being received from the TAS/
TCAS I unit
DATA FAILED Data is being received from the TAS/
TCAS I unit, but the unit is self-reporting
a failure
FAILED Incorrect data format received from the
TAS/TCAS I unit
Table 8 TAS/TCAS Failure Annunciations