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ARINC TRANSMITTER FAIL - This message appears
when the ARINC 429 output fails an internal test.
Anything depending on the KLN 900's ARINC 429 out-
put, such as the EHI 40/50 electronic HSI and some
navigation graphics displays, should not be used.
ARINC 561/568 IND CTRL
OUTPUT FAIL-This message appears when there is a
failure of the KLN 900 ARINC 561/568 IND CTRL OUT-
PUT drive circuitry. The ARINC 561/568 IND CTRL
OUTPUT will not be working if this message has been
given and any ARINC 561/568 equipment, such as HSI
distance displays, connected to the KLN 900 should not
be used. Service the KLN 900 as soon as possible.
ARM ANNUNCIATOR FAIL - This message appears
when there is a failure of the KLN 900 ARM annunciator
drive circuitry. To determine if the approach mode is
armed 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.
ARM GPS APPROACH - If the approach ARM mode
has been disarmed then the KLN 900 will remind you to
ARM the approach mode when the aircraft is 3 NM from
the Final Approach Fix. Arm the approach mode if it is
desired to use the KLN 900 for conducting an approach.
BAD SATELLITE GEOMETRY
AND RAIM NOT AVAILABLE - This message appears
only when the unit is in the approach active mode, RAIM
is not available and the satellite geometry has further
degraded to cause more uncertainty of the aircraft posi-
tion. This message may be followed by a NAV flag (in a
couple of minutes) if conditions continue to degrade.
BAD SATELLITE GEOMETRY
SEE EPE ON STA 2 PAGE - This message will occur
after receiving a notice that RAIM is not available. This
means that the geometry of the satellites is such that
the possible error in position is greater than allowed for
IFR use. Cross check the position of the aircraft with
other means of navigation every 15 minutes to verify
that the position is still accurate.
BATTERY LOW: SERVICE
REQUIRED TO PREVENT
LOSS OF USER DATA - This message appears when
the KLN 900's internal battery is low and needs replac-
ing at an authorized Bendix/King service center. The
battery should be replaced within a week to prevent the
loss of all user-defined data including waypoints, airport
remarks, flight plans, etc. Typical battery life is approxi-
mately three to five years.
CHECK ACTV ANNUNCIATOR - This message
appears when an overcurrent condition is detected on
the ACTV annunciator output. It is usually indicative of
a failure of the wiring between the KLN 900 and the
ACTV annunciator. To determine if the approach mode
is active 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. Have the installation
checked to determine the problem.
CHECK ALTITUDE ALERT
ANNUNCIATOR -This message appears when an over-
current condition is detected on the KLN 900 ALTITUDE
ALERT ANNUNCIATOR output. It is usually indicative
of a failure of the wiring between the KLN 900 and the
annunciator. Any Altitude Alerting annunciators or audi-
ble alerts (if a Sonalert is connected to this output) will
not be working if this message has been given. Have
the installation checked to determine the problem.
CHECK CONFIGURABLE
ANNUNCIATOR 1 - This message appears when an
overcurrent condition is detected on the KLN 900 CON-
FIGURABLE ANNUNCIATOR 1 output. It is usually
indicative of a failure of the wiring between the KLN 900
and the annunciator. This annunciator will not be work-
ing if this message has been given. Have the installa-
tion checked to determine the problem.
CHECK CONFIGURABLE
ANNUNCIATOR 2 - This message appears when an
overcurrent condition is detected on the KLN 900 CON-
FIGURABLE ANNUNCIATOR 2 output. It is usually
indicative of a failure of the wiring between the KLN 900
and the annunciator. This annunciator will not be work-
ing if this message has been given. Have the installa-
tion checked to determine the problem.
CHECK ARINC 561/568 IND
CTRL OUTPUT - This message appears when an over-
current condition is detected on the KLN 900 ARINC
561/568 IND CTRL OUTPUT. It is usually indicative of
a failure of the wiring between the KLN 900 and the
ARINC 561/568 equipment. The ARINC 561/568 IND
CTRL OUTPUT will not be working if this message has
been given and any ARINC 561/568 equipment, such as
HSI distance displays, connected to the KLN 900 should
not be used. Have the installation checked to determine
the problem.
CHECK ARM ANNUNCIATOR -
appears when an overcurrent condition is detected on
the ARM annunciator output. It is usually indicative of a
failure of the wiring between the KLN 900 and the ARM
annunciator. To determine if the approach mode is
armed 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. Have the installation
checked to determine the problem.
B-2
This message
Rev 2
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