2-10
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Audio &
NOTE: The XPDR/TCAS Mode on the Transponder Control Panel always
shows the pilot-selected mode and does not necessarily correspond with
the traffic system if it is in a lower mode due to other constraints. The active
mode is shown in the radio bar next to the transponder squawk code.
XPDR/TCAS Mode
Selection
Transponder
Mode
Available TCAS II
Modes
TA/RA
Altitude Reporting
TA/RA or TA Only
TA Only
Altitude Reporting
TA Only
Altitude Reporting
Altitude Reporting
Standby
On
On
Standby
Standby
Standby
Standby
Table 2-2 Transponder and TCAS II Modes
2.2
Marker Beacon Annunciations
When connected to a compatible audio panel, a visual annunciation of marker
beacons will be shown on the display when the aircraft flies over a marker beacon.
The annunciation will appear in the lower left of the display.
Current Beacon
Icon (Standard)
Icon (Blink)
Blink Interval
Inner Marker
250 ms
Middle Marker
333 ms
Outer Marker
750 ms
The marker beacon alternates between the standard icon and the blink icon at
the blink interval corresponding to the current beacon.
Table 2-3 Marker Beacons
Summary of Contents for GTN 625
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