Garmin 430w Manual

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Section 11   
Messages, Abbreviations, and 
Navigation Terminology
Messages
The 400W-series unit uses a flashing “MSG” annunciator 
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 messages 
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...

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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 400W-series unit 
has detected a problem with the built-in HTAWS Audio 
Database. HTAWS audio alerts are not available. The unit 
should be returned to your Garmin dealer for service. 
Aviation database integrity error — The 400W-series 
unit has detected...

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COM push-to-talk key stuck — (GNS 430W/GNC 
420W only) The external push-to-talk (PTT) switch is stuck 
in the enabled (or “pressed”) state. Try pressing the PTT 
switch again to cycle its operation. If the message persists, 
contact your Garmin dealer for assistance. 
COM remote transfer key is stuck — (GNS 430W/GNC 
420W only) The remote COM transfer switch is stuck in 
the enabled (or “pressed”) state. Try pressing the switch 
again to cycle its operation. If the message persists, contact 
your...

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FPL waypoint moved — The position data for one or 
more flight plan (FPL) waypoints moved at least 0.33 arc 
minutes in the current NavData® card (database change). 
G/S has failed — (GNS 430W only) A failure in the 
glideslope receiver has been detected. The glideslope 
receiver is not available and the unit should be returned to 
your Garmin dealer for service. 
G/S is not responding — (GNS 430W only) Internal 
system-to-system communication between the main proces-
sor and the glideslope receiver...

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Inside airspace — Your GPS-calculated position lies 
within the boundaries of a special use airspace. This mes-
sage is automatically disabled within 30 NM of an arrival 
airport, when an approach is loaded. 
Insufficient Terrain Database Resolution – The 
installed terrain database does not have sufficient resolution 
to support HTAWS. 
Invalid closest pt of FPL — A closest point cannot be 
created from the waypoint entered on the “Closest point of 
flight plan” window. This occurs when the selected...

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NRST key stuck – The NRST key is stuck in the enabled 
(or “pressed”) state. Try pressing the NRST key again to 
cycle its operation. If the message persists, contact your 
Garmin dealer for assistance. 
OBS key stuck — The OBS key is stuck in the enabled 
(or pressed) state. Try pressing the OBS key again to cycle 
its operation. Check for proper operation of both the inter-
nal and remote keys (if present). If the message persists, 
contact your Garmin dealer for assistance. 
OBS not available —...

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TAWS mute caution key is stuck — The external 
HTAWS aural suppression input is stuck.
TAWS reduced protection key is stuck — The external 
HTAWS reduced protection key is stuck. 
TCAD altitude data invalid — If the Ryan TCAD has 
an altitude failure, the TCAD will announce an altitude 
failure aurally (“TCAD ALTITUDE DATA INVALID”) but 
continue operating.  The relative altitude for the targets will 
be invalid. 
TERRAIN configuration conflict —  The current 
HTAWS/Terrain configuration is not...

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Waypoint memory is full — You have used all 1000 user 
waypoint locations in the 400W-series unit memory. Delete 
unwanted waypoints to make room for new entries. 
Turn Advisory and Arrival Annunciations
The following annunciator messages may appear in the 
lower right corner of the 400W-series unit display: 
ARRIVING WPT — Arriving at the destination waypoint 
for the active leg (waypoint alert). 
DTK xxx° xx S — Waypoint alert. Prepare to turn to the 
indicated heading upon waypoint passage. 
HOLD...

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Abbreviations
The following is a list of abbreviations used on the 400W-series unit and their meanings: 
ACTV— Active
ALT— Altitude
APR— Approach
APT— Airport
ARSPC— Airspace
ARTCC—  Air Route Traffic Control Center
ARVL— Arrival
AUX— Auxiliary
AVGAS— Aviation-grade  Gasoline
AVTN— Aviation
BARO— Barometric setting
BRG—  Bearing To
°C—  Degree Celsius
C/V— COM/VLOC
CAS— Calibrated Airspeed
CDI—  Course Deviation Indicator
CLR— Clear
COM— Communications Transceiver
CRSR— Cursor
CTA—  ICAO Control...

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G/S— Glideslope
gl— gallons
GPS— Global Positioning System
GS—  Ground Speed
HAL— Horizontal Alarm Limit
HDG— Heading
HFOM— Horizontal Figure of Merit
hg—  Inches of Mercury
HPL— Horizontal Protection Level
HWY— Highway
IAF—  Intermediate Approach Fix
ID— Identifier
ig—  Imperial Gallons
ILS— Instrument Landing System
IND— Indicated
INT— Intersection
INTEG— Integrity
ITI—  Imminent Terrain Impact
kg— Kilograms
kHz— Kilohertz
km— Kilometers
kph— Kilometers Per Hour
kt— Knots
L/VNAV —  Lateral and...