Vloc Receiver - Garmin GTN 725 Cockpit Reference Manual

Message
VERTICAL
CALCULATOR-
Approaching target
altitude.

VLOC RECEIVER-

Navigation receiver
needs service.
VLOC RECEIVER-
Navigation receiver has
failed.
WAYPOINT-
Arriving at [wpt name].
NOTE 1: There are several reference datums that waypoints can be surveyed against.
TSO-C146 normally requires that all waypoints be referenced to the WGS84 datum,
but allows for navigation to waypoints that are not referenced to the WGS84 datum
so long as the pilot is notifi ed. Certain waypoints in the navigation database are not
referenced to the WGS84 datum, or their reference datum is.
52
Description
User has confi gured
a vertical descent
calculation, and the
aircraft is approaching
the target altitude.
The NAV radio is
reporting that it needs
service. The NAV
radio may continue to
function.
The NAV radio is not
communicating property
with the system.
User has confi gured
the arrival alarm and
is within the specifi ed
distance.
GTN 725/750 Cockpit Reference Guide (CRG)
Action
No action is necessary;
message is informational
only.
Use GPS based navigation.
Contact dealer for service.
Use GPS based navigation.
Contact dealer for service.
No action is necessary;
message is informational
only.
190-01007-04 Rev. B