Garmin GTN 725 Pilot's Manual page 480

16.4.1.4
Foreword
Dual units may be interfaced to crossfill information between the two units.
This option will not be available unless dual units are configured.
Getting
Started
When Crossfill is turned on with one GTN, it is automatically turned on in the
other GTN. Some items are always crossfilled regardless of the crossfill setting;
Audio &
Xpdr Ctrl
others are dependent on the crossfill setting.
The GTN can be can also be interfaced with the GNS 400W/500W units. The
Com/Nav
GTN can automatically send the Active Flight Plan and active Direct-To course to
the GNS unit. The GTN User Waypoints can be manually sent to the GNS unit. The
FPL
GNS unit can manually send its User Waypoints to the GTN unit.
Waypoint names longer than six characters, or duplicates, sent from the GTN
Direct-To
unit to the GNS unit will replace some characters with a "+" sign, while leaving
significant characters to aid in identification (such as, USR003 becomes US+003).
Proc
NOTE:
Charts
to crossfill the flight plans. The pilot must verify the flight plan in each unit
prior to use. The GTN and GNS units must have databases with the same cycle.
Wpt Info
NOTE:
available until GPS is restored in both units. Crossfilling will resume one the
Map
flightplan is changed on one of the units or crossfill is re-enabled.
Traffic
GTN-to-GTN Crossfilling:
This data is always crossfilled:
Terrain
• User waypoints
• Flight plan catalog
Weather
• Alerts (traffic popup acknowledgement, missed approach waypoint
Nearest
popup acknowledgement, altitude leg popup acknowledgement)
• External sensors (transponder status and commands, synchro heading)
Services/
Music
• System setup:
- User-defined NAV frequencies to store favorites
Utilities
- Date/Time convention
System
- Nearest airport criteria
- Units (Nav angle, Distance/Speed, etc.)
Messages
- User-defined COM frequencies to store favorites
- Ownship icon
Symbols
- CDI Scale setting
- ILS CDI Capture setting
Appendix
16-20
Index
Crossfill
Upon crossfill being activated, the GTNs may take up to 10 seconds
When GPS navigation is lost in either unit, crossfilling may not be
Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. D