7-5
7
SN3308 On-screen Messages
CHAPTER
Display Item Source Notes
EXTERNAL SWITCH SET TO GPS
Pilot This message appears when
pressing the "NAV" switch on the
SN3308 when it is slaved to an
external GPS/NAV
switch/annunciator panel. Instead
of the SN3308 NAV switch use the
external GPS/NAV switch.
FLUXGATE XYZ LOST BIST Fluxgate XYZ signal voltage too
low or not received.
FLUXGATE EXCITATION LOST BIST Fluxgate excitation has failed.
Check the gyro circuit breaker.
Note 4
GPS SELECTED EXTERNALLY Pilot This message appears when the
SN3308 is slaved to an external
GPS/NAV switch/annunciator panel
and it is first placed in GPS
position changing the SN3308
display from NAV1 to GPS1.
GYRO XYZ LOST BIST Gyro XYZ (synchro) signal voltage
too low or not received.
GYRO INVALID BIST Gyro valid flag asserted. Check the
gyro circuit breaker. Note 4
LEG/AUTO (AUTO SLEW) IS ON
Pilot Displayed when course knob is
turned but course knob setting is
over-written by Direct Track from
Long Range Nav Receiver. Auto-
slew operation can be disabled by
entering the [SHFT]>[NAV] page
and turning auto-slew ON or OFF
with the softkey. If auto-slew is
turned off you will have to turn the
course pointer manually at every
waypoint when flying a flight plan.
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