Gcu Testing; Gmc 705; Gmc Software And Configuration Loading; Gmc Testing - Garmin CIRRUS PERSPECTIVE SR20 Line Maintenance Manual

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7.9.2 GCU Testing
Check for the proper operation of knobs and buttons.
7.10 GMC 705
Original GMC 705 Reinstalled
No software loading is required if the original GMC 705 is reinstalled. This does not include
units that were returned for repair since their software and configuration files were deleted
during the repair testing process.
New, Repaired, or Exchange GMC 705 Installed
Load software and gains files from the Cirrus Perspective™ software loader card if a new,
repaired, or exchanged GMC 705 is installed.
7.10.1 GMC Software and Configuration Loading
1. Insert the Cirrus Perspective™ software loader card into top slot of the PFD.
2. Apply system power, insuring both MFD and PFD are in Configuration Mode.
3. On the PFD, press the NO softkey at "DO YOU WANT TO UPDATE SYSTEM FILES?"
prompt.
4. After the SYSTEM STATUS page appears on the PFD, use the small FMS knob to turn to
the SYSTEM UPLOAD page.
5. Activate the cursor, turn the small FMS knob to show the list of airframe choices,
highlight "Options" in the pop‐up box, and press the ENT key.
6. In the FILE box, turn the small FMS knob to show the list of file choices, highlight the
GFC 700 (with or without YD) configuration file that matches the aircraft autopilot
system in the pop‐up box and press the ENT key.
7. Press the CLR ALL softkey.
8. Using the FMS knob and ENT key select the following files:
GMC 705 software
•
GMC 705 configuration
•
Pressing the ENT key will check and uncheck the highlighted software and
configuration boxes.
9. Once the desired files are selected press the LOAD softkey.
10. When the upload is complete, in the Upload Complete window press the ENT key and
select OK.
11. Turn off the system.
7.10.2 GMC Testing
Proceed to the GFC 700 Testing Section to test the operation of the GMC controller.
Page 7-56
Rev. E
NOTE
Cirrus Perspective™ Line Maintenance Manual
190-00920-00