Garmin Diamond DA40, Maintenance Manual

Page: 123 / 156

G1000/DA 40 System Maintenance Manual Page 7-29
190-00303-03 Revision 6
4. Ensure that the No. 1 GRS 77 is selected in the SELECT GRS UNIT window on the PFD.
a) Activate the cursor and highlight the SELECT PROCEDURE window and select
PITCH/ROLL OFFSET.
b) Press the ENT key.
c) Use the cursor to highlight the BEFORE CALIBRATION window.
d) Follow the checklist items displayed on the PFD and press the ENT key as each step
is completed or confirmed.
e) When the CALIBRATE field is blinking, press the ENT button to begin the
procedure.
f) After several seconds, a new checklist appears in the lower half of the PFD. Press
the ENT key as each step is confirmed. When the CONFIRM AIRCRAFT IS
LEVEL field is blinking, press the ENT key to continue.
5. The result of the pitch/roll offset compensation is displayed on the PFD. If successful, the AHRS
records the required pitch and roll offsets, informs the operator of a successful conclusion and
returns to normal operation.
6. Press the ENT key on the PFD to conclude this procedure.