Rev 2
B-4
DATA BASE OUT OF DATE
ALL DATA MUST BE
CONFIRMED BEFORE USE - This message appears
when the data base is out of date as a result of a date
and time entered on the SET 2 page or Self-Test page
or as a result of a pilot-entered date being overridden by
a date from the GPS receiver.
EEPROM FAILURE:
EXTERNAL D-BAR INVALID - This message appears
in the event a specific internal test fails. Do not use an
external HSI or CDI while it is driven by the KLN 900.
The rest of the KLN 900 is still usable including the
internal CDI; however, the page displays may not be
centered on the screen.
FCS LOCALIZER ENGAGE
OUTPUT FAIL - This message appears when there is a
failure of the KLN 900 FCS LOCALIZER ENGAGE
OUTPUT drive circuitry. The FCS LOCALIZER
ENGAGE OUTPUT will not be working if this message
has been given and since autopilot performance may be
affected, the autopilot should not be coupled to the KLN
900. Service the KLN 900 as soon as possible.
GENERAL RS-232 DATA INPUT ERROR - This mes-
sage appears when an error is detected in the received
RS-232 data such as from a fuel management or air
data system.
GENERAL RS-232 OUTPUT ERROR - This message
appears when the RS 232 output fails an internal test.
Anything connected to the RS 232 output bus, such as
some moving map displays and ELTs (for position
reporting), will not be fully functional. Do not use mov-
ing map displays that depend on the KLN 900’s RS 232
output if this message is displayed.
HIGH TEMPERATURE
CHECK COOLING FAN - This message appears when
the internal temperature of the KLN 900 is measured at
100°C or higher. This message usually indicates that
the fan being used to cool the KLN 900 is not working.
Service the KLN 900’s cooling fan as soon as possible.
(This message will only appear on ORS 04 and later
units.)
IF REQUIRED SELECT OBS - This message appears
when the aircraft is 4 NM from a waypoint which could
be used as the basis for either a procedure turn or a
holding pattern and the unit is in the LEG mode. Select
the OBS mode when flying procedure turns or holding
patterns. This message is advisory only. If no procedure
turn is required then no action is required.
INSIDE SPC USE AIRSPACE
[name and type of special use airspace]
[ATC responsible] [Vertical boundaries] - (Inside Special
Use Airspace) This message appears when the air-
craft’s present position is inside an area of special use
airspace. See section 3.10.
LATERAL SUPERFLAG FAILURE - This message
appears when an internal test fails for a specific Lateral
NAV flag output. The KLN 900 is still usable, but any-
thing connected to the super flag (such as some HSIs
and autopilots) should not be used with the KLN 900.
LEG ANNUNCIATOR FAIL - This message appears
when there is a failure of the KLN 900 LEG annunciator
drive circuitry. To determine if the unit is in LEG or OBS
mode, you will need to look at the status line of the KLN
900 because the annunciator will not be working if this
message has been given. Service the KLN 900 as soon
as possible.
MAG VAR FOR PUBLISHED
APPROACH BEING USED -- This message appears
when a user-defined magnetic variation has been
selected on the SET 2 page and an approach waypoint
is active. The published magnetic variation associated
with the approach waypoint will be used.
MAG VAR FOR PUBLISHED
VOR BEING USED -- This message appears when a
user-defined magnetic variation has been selected on
the SET 2 page; the unit is in OBS mode; and the active
waypoint is a VOR. In this case, the published magnetic
variation associated with the VOR station will be used.
MAGNETIC VAR INVALID
ALL DATA REFERENCED
TO TRUE NORTH - This message appears when the
magnetic variation is invalid due to operation outside of
the data base magnetic variation area without having a
pilot-entered magnetic variation. See section 5.12.
MSG ANNUNCIATOR FAIL - (Message Annunciator
Failure) This message appears when there is a failure
of the KLN 900 MSG annunciator drive circuitry. To
determine if message alerting is being given you will
need to look at the KLN 900 because the annunciator
will not be working if this message has been given.
Service the KLN 900 as soon as possible.
NAV DATA REFERENCED
TO TRUE NORTH -- This message appears when a
user-defined magnetic variation of 0 degrees is being
used for navigation data.
NAV DATA REFERENCED TO
USER DEFINED MAG VAR -- This message appears
when a user-defined magnetic variation other than 0
degrees is being used for navigation data.
Summary of Contents for KLN 900s
Page 1: ...Pilot s Guide KLN 900 Global Positioning System ORS 01 02 and 04 ...
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