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Page 8-4
G1000 System Maintenance Manual
Rev. A
190-00903-00
8.3 DISPLAY
TEST
TEST DESIRED
RESULT
MFD Display Failure Conditions:
1. Open MFD CB.
2. Verify desired results.
3. Close MFD CB.
The following shall occur when power is removed
from the MFD:
a.
MFD goes blank.
b.
All PFD1 and 2 primary flight information is
retained.
c.
The COM 1/2 and NAV 1/2 tuning fields remain
valid and can be tuned by rotating the tuning
knobs on PFD1 and PFD2.
d.
XPDR 1/2 fields remain valid and XPDRs can
adjusted via PFD softkeys.
PFD2 Display Failure Conditions:
1. Open PFD 2 CB.
2. Verify desired results.
3. Close PFD 2 CB.
The following shall occur when power is removed
from PFD2:
a.
PFD2 goes blank.
b.
PFD1 and MFD remain in normal display
formats. The following illuminate on PFD1:
•
HDG NO COMP illuminates on PFD1
•
ROLL NO COMP illuminates on PFD1
•
PIT NO COMP illuminates on PFD1
•
IAS NO COMP illuminates on PFD1
•
ALT NO COMP illuminates on PFD1
c.
GMA2 Fail – GMA2 is inoperative.
d.
XPDR2 Fail – XPDR2 is Inoperative.
PFD1 Display Failure Conditions:
1. Open PFD 1 PRI and PFD1 SEC circuit
breakers.
2. Verify desired results.
3. Close PFD 1 PRI and PFD1 SEC circuit
breakers.
The following shall occur when power is removed
from PFD1:
a.
PFD1 goes blank.
b.
PFD2 and MFD remain in normal display
formats. The following illuminate on PFD2:
•
HDG NO COMP illuminates on PFD2
•
ROLL NO COMP illuminates on PFD2
•
PIT NO COMP illuminates on PFD2
•
IAS NO COMP illuminates on PFD2
•
ALT NO COMP illuminates on PFD2
c.
GMA1 Fail – GMA1 is inoperative.
d.
XPDR1 Fail – XPDR1 is Inoperative.
