ESI-500
Pilot’s Guide4-8
Messages and Indications
NOTE
It is important to note that the battery indicator is an indication of the battery’s
relative state of charge and is independent of the 1 hour run time expressed
by the color of the battery indicator. As the life of the battery ends, the
charge capacity of the battery gradually reduces to the point that the battery
indicator shows 100% SOC, but is colored amber indicating less than 1
hour run time. If this condition is observed, then the battery is worn out and
requires replacement.
Table 4-2: Battery Indications
BATTERY INDICATORS DESCRIPTION
Discharge Indicators
The run time capacity for a green battery indicator is
at least 1 hour.
The run time capacity for an amber battery indicator
is less than 1 hour.
Battery is discharging and has a SOC
> 90%.
Battery is discharging and has a SOC ≤
90% but > 65%.
Battery indicators and messages are located on the top-left side of the
display. The indicators provide details on the general state of charge
(SOC), availability of the battery for discharge or charge, battery failure,
notications
Table 4-2 provides brief description and examples of common battery
indicators. Status messages provide details on battery calibration and how
to continue operating the indicator using the backup battery.
During normal operation (unit powered by aircraft power and the battery
has at least 1 hour of run time) no battery indicator or message is shown
on the display.
Contact an L3 authorized dealer for battery replacement.
Battery Indications
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