The D3 does not power on Battery is
completely
discharged
Charge the battery; Additionally, the
D3 will automatically power on
when external power is applied via
the power port on the right side of
the unit
The brightness is
turned all the way
down
Navigate to the display menu via the
menu button in the upper left of the
screen and adjust the brightness.
The D3 does not power on,
even when power is
applied to the charging port
on the right side of the unit
D3 may be damaged Contact Dynon Avionics technical
support staff
Battery life is too short Battery is either not
being fully charged,
or is worn out
Confirm that you are fully charging
the D3 before use. If this does not
solve the issue, contact Dynon
Avionics technical support staff
Battery display does not
change to the plug icon
when plugged in to the wall
No power at wall
outlet
Check that power source is
supplying power