Garmin G1000 Maintenance Manual

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Page 5-116 G1000 System Maintenance Manual
Rev. A 190-00903-00
Figure 5-28. GDC 74B Field Calibration Utility, Main Page
8. Select the Serial Port on the PC that will be used to communicate with the GDC 74B and
click ‘OK’.
Figure 5-29. Serial Port Pull-Down List
9. After communication with the GDC 74B is established, the ‘Full Backup’ screen appears
while a full backup of the original unit setting is saved to a file named
BKUP_(serial_num)_YYYYMMDD_ HHMMSS.txt. This file can be used (by Garmin) to
restore the unit to the original settings if necessary.
10. After the full backup file has been created, the ‘Prepare To Take Measurements’ screen is
displayed while the program retrieves the unit type from the GDC 74B.
11. After the unit type has been determined, the ‘Set altitude to 0 ft’ screen (Figure 5-36)
appears.
12. Set the pressure control system to a pressure altitude of 0 feet according to the on-screen
instructions.
13. Allow the on-screen altitude reading to stabilize, then click ‘OK’.
14. After the 0 feet calibration is complete, the ‘Set altitude to 11,000 ft’ screen is displayed.

Garmin G1000 Specifications

General

Display Type	LCD
Primary Flight Display (PFD)	Yes
Multi-Function Display (MFD)	Yes
Terrain Awareness	Yes
Autopilot Integration	Yes
Integrated Flight Deck System	Yes
Weather Radar	Optional
Traffic Advisory System (TAS)	Optional
Terrain Awareness and Warning System (TAWS)	Yes
Resolution	1024 x 768 pixels
Weather Data	Yes
Navigation	Yes
AHRS	Yes
Air Data Computer (ADC)	Yes
Interfaces	ARINC 429, RS-232
Certification	TSO certified
Traffic Information	Optional (requires ADS-B or TCAS)