Garmin 500W Series Pilot'S Manual & Reference Download

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12 - MESSAGES

ABBREVIATIONS &

NAV TERMS

197

190-00357-00 Rev G

Section 12

Messages, Abbreviations,

& Nav Terms

Messages

The 500W-series unit uses a flashing “MSG” annun-

ciator at the bottom of the screen (directly above the

MSG

key) to alert you of any important information or warnings.
While most messages are advisory in nature, warning mes-
sages may require your intervention. Whenever the “MSG”
annunciator flashes, press the

MSG

key to display the

message, when pilot workload allows. Press

MSG

again to

return to the previous page.
The following is a list of available messages and their mean-
ings:

ABORT APPROACH — Loss of Navigation —

Execute

missed approach using other navigation equipment.

Airport terrain database integrity error —

The

500W-series unit has detected a problem with a database
on the TAWS/Terrain data card. The data is not usable and
the card should be returned to your Garmin dealer.

Airspace ahead — less than 10 minutes —

Your GPS-

calculated course is projected to enter a special use airspace
within 10 minutes. This message is automatically disabled
within 30 NM of an arrival airport, when an approach is
loaded.

Airspace near and ahead —

Your GPS-calculated

position is within 2 NM of the boundary of a special use
airspace and your course is projected to enter the airspace.
This message is automatically disabled within 30 NM of an
arrival airport, when an approach is loaded.

All data referenced to True North —

The unit does not

have a valid aviation database, so it cannot compute mag-
netic variation.

Approach downgraded — Use LNAV minima —

This

message will occur 60 seconds prior to the FAF if flying
LNAV+V, L/VNAV, LP, or LPV approaches and WAAS
integrity parameters have fallen below minimal limits. As
a result, vertical guidance has been discontinued and the
LP, LPV, LNAV+V, or L/VNAV approach you were flying has
been downgraded.

Approach is not active —

The approach could not transi-

tion to “active”, at 2 NM or closer to the FAF. Verify that
“SUSP” DOES NOT appear directly above the

OBS

key,

indicating the auto waypoint sequencing is suspended.
This message also appears if Receiver Autonomous Integrity
Monitoring (RAIM) has determined that sufficient GPS
satellite coverage DOES NOT exist for the phase of flight
you are currently in (along with a “RAIM not available from
FAF to MAP” message).

Approaching target altitude —

The current GPS-com-

puted altitude is within 500 feet of the final Vertical Naviga-
tion target altitude.

Approaching VNAV profile —

You are within one minute

of reaching the initial Vertical Navigation descent point.

APR Guidance Available - Use PROC before A/P APR
—

For units configured with the KAP140 or KFC225

autopilot, this message reminds pilots, when they turn
on course to the FAF, that they need to enable autopilot
outputs (by pressing

PROC

and selecting “Enable A/P APR

Outputs?”) before switching the autopilot control panel to
APR.

Arrival at waypoint [waypoint name] —

You are within

the arrival alarm circle for the indicated waypoint. The size
of the arrival alarm circle is defined from the “CDI / alarms”
menu option on the Setup Page.

Audio database integrity error —

The 500W-series unit

has detected a problem with the built-in TAWS Audio Data-
base. TAWS audio alerts are not available. The unit should
be returned to your Garmin dealer for service.