Avidyne IFD540 Pilot's Manual page 135

Datablock Item Title
and Image
OAT
Local Time
UTC Time*
Flight Timer
Number of Alerts
Fuel Amount
Remaining*
AUX Pages 4-27
Title and OAT. (1 line)
Title and HH:MM:SS format. (2 lines)
Zulu Time HH:MM:SS format. (1 line)
Title and HH:MM format flight timer. (2
lines).
This automatically starts and is based
on the system in-air determination.
Title and # of active red warnings,
yellow cautions and cyan advisories
that the IFD is aware of. (2 lines)
Title and total fuel remaining (units
dependent on unit type selection made
in User Options list) as sent by the
aircraft fuel flow system, if available.
(2 lines)
It is not presented as an option if the
IFD isn't configured to communicate
with an external fuel flow system.
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