2-10
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
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
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