G1000 NXi System Maintenance Manual Page 310
King Air 300 Series Revision 1
190-00716-N1
Figure 7-6, GRS/GMU Calibration, Pitch/Roll Offset
NOTE
On the calibration pages, “GRS” includes GRS and GSU units.
4. Ensure that the GRS 1 is selected in the SELECT GRS UNIT window on the PFD.
5. Activate the cursor and highlight the SELECT PROCEDURE window and select PITCH /
ROLL OFFSET.
6. Press the ENT key.
7. Use the cursor to highlight Step 1 in the BEFORE CALIBRATION window.
8. Follow the checklist items displayed on the PFD and press the ENT key as each step is
completed or confirmed.
9. When the CALIBRATE field is blinking, press the ENT button to begin the procedure.
10. 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.
11. 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.
12. Press the ENT key on the PFD to conclude this procedure for GRS 1.
13. Repeat steps 4 through 12 for GRS 2.
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