Figure 6-1 Autopilot Test Page - Garmin GI 275 Installation Manual

11. Verify that the command bars move to the left.
12. Touch Go Around, if equipped.
13. Verify that the command bars center laterally and move to command a climb.
6.3.9.3 Heading and Course Error Check
This section verifies that the heading and course error interface between the GI 275 and autopilot computer
is functional.
1. Power on the GI 275 system in Configuration mode.
2. Navigate to the AP Test page (Calibration/Test → Autopilot → Test).
3. Engage HDG/CRS Valid (if HDG/CRS valid discrete is not configured, then continue to step 4).
4. On the autopilot, engage in HDG mode.
5. Change HDG Datum to 10°RT.
6. Verify that the control yoke or stick moves to the right.
7. Change HDG Datum to -10°LT.
8. Verify that the control yoke or stick moves to the left.
9. Change HDG Datum to 0°RT.
NOTE
If the control yoke or stick moves in the opposite direction of what is expected, reverse the Left/
Right HDG Polarity on the Autopilot Calibration page and continue the checkout process.
10. Put the autopilot in NAV mode.
11. Change CRS Datum to 20°RT.
12. Verify that the control yoke or stick moves to the right.
13. Change CRS Datum to -20°LT.
14. Verify that the control yoke or stick moves to the left.
15. Change CRS Datum to 0°RT.
16. Disengage the autopilot.
NOTE
If the control yoke or stick moves in the opposite direction of what is expected, reverse the Left/
Right Course Polarity on the Autopilot Calibration page and continue the checkout process.
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Rev. 11

Figure 6-1 Autopilot Test Page

GI 275 Part 23 AML STC Installation Manual
Page 6-17