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CHAPTER 4
GET
TING ST
AR
TED
EFD1000/500 MFD Pilot’s Guide
Page 4-16
091-00006-001 REV B
EFD1000/500 MFD Pilot’s Guide
Page 4-17
091-00006-001 REV B
WARNING
When fully charged, the internal battery will operate the AHRS, display,
and RSM emergency GPS for at least 30 minutes following loss of
aircraft power. If aircraft power cannot be restored, the pilot should
follow the electrical failure checklist in the Aircraft Flight Manual.
WARNING
The backup battery operates the EFD1000 MFD Display and RSM. The
ACU is not connected to the battery.
CAUTION
During situations where a high electrical demand is placed on the
aircraft electrical system, electrical transients that cause aircraft voltage
to momentarily drop below 12.5±0.3V (14V Electrical System) or
25.0±0.6V (28V Electrical System) will cause the MFD to automatically
switch to the backup battery and display an ON BAT annunciation.
The ON BAT annunciation should extinguish shortly after the electric
transient demand goes away. If the ON BAT annunciation does
not extinguish then an external power source failure has most likely
occurred.
NOTE
When airborne, if the MFD input voltage is below the 12.5±0.3V (14V
Electrical System) or 25.0±0.6V (28V Electrical System) automatic
battery transition threshold, and EXT PWR is selected, the MFD will
automatically transition back to the backup battery.
NOTE
If the internal battery housing temperature exceeds 65° C the power
charge circuit is disabled. When temperatures drop below 0° C the
battery does not charge.
WARNING
When operating on the internal battery if the voltage level degrades to
the point where unreliable operation may occur, the EFD will shutdown
Содержание Evolution EFD 1000 MFD
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