Feet' Calibration Screen; Calibration Failed' Screen - Garmin G1000 Maintenance Manual

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15. Set the pressure control system to a pressure altitude of 11,000 feet.
16. Allow the on-screen altitude reading to stabilize, then click 'OK'.
17. After the 11,000 feet calibration is complete, the 'Set altitude to 30,000 ft' screen is
displayed.
18. Set the pressure control system to a pressure altitude of 30,000 feet.19. Allow the on-screen
altitude reading to stabilize, then click 'OK'.
19. After the 30,000 feet calibration is complete, the 'Set altitude to 41,000 ft' screen is
displayed.
20. Set the pressure control system to a pressure altitude of 41,000 feet.
21. Allow the on-screen altitude reading to stabilize, then click 'OK'.
22. After the altitude calibrations are complete, the 'Program Calibration to Unit?' screen
(Figure 5-37) appears. Click 'OK' to program the new calibration to the GDC 74B unit.
If any of the three measurements (Altitude, Vertical Speed, Power On
Time) are outside of their respective displayed limits, the displayed
measurement will appear in red, and the 'OK' button will be unavailable
(grayed-out). If successful calibration is not achievable, clicking 'Cancel'
will halt the program and produce the below popup message.
G1000 System Maintenance Manual
190-00903-00
Figure 5-30. '0 Feet' Calibration Screen
NOTE
Figure 5-31. 'Calibration Failed' Screen
Page 5-117
Rev. A