Dynon Avionics D1 - Manual (Page 41)

Troubleshooting
D1 User Guide 10-3
Problem Description Possible Cause Solution
The ball is not centered,
but the D1/aircraft is
definitely level Roll adjust is not
correct for the
current mounting
position With no menu displayed, depress
the Rocker switch twice to enter the
Roll Adjust mode. Adjust to center
the ball
The horizon zero pitch line
is not centered on the zero
pitch indication, but the
D1/aircraft is definitely
level Pitch adjust is not
correct for the
current mounting
position With no menu displayed, depress
the Rocker switch once to enter the
Pitch Adjust mode. Adjust until the
displayed pitch matches the aircraft
pitch attitude
The D1’s speed, altitude,
and/or track indication
does not match my other
aircraft instruments This is expected
behavior The D1’s instruments are GPS based
and will not match the other
permanently-mounted pneumatic
and magnetic instruments in your
aircraft
The D1’s screen is too dim Display brightness
has been turned
down Move the Rocker up to increase the
brightness level of the display
The D1 does not find a
software update on an SD
card The SD card is not
properly seated Remove and reinsert the SD card.
Ensure that the SD card positively
“clicks” into place