Garmin Software Version 0321.23 Manuel Page 182

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Vue de la page 181
Page 5-50 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
5.9 GIA 63 Troubleshooting
5.9.1 COM
Table 5-33. COM Troubleshooting
Symptom Recommended Action
Weak COM transmit power
Check COM antenna and cabling.
Switch GIA1 and GIA2, to identify whether the unit or connectors/wiring is at
fault (Both GIAs must be configured when swapped, see Section 3.5):
9 If problem follows unit, replace defective unit per Section 6.3.
Weak COM receiver
Check COM antenna and cabling.
Switch GIA1 and GIA2, to identify whether the unit or connectors/wiring is at
fault (Both GIAs must be configured when swapped, see Section 3.5):
9 If problem follows unit, replace defective unit per Section 6.3.
No COM sidetone
Switch GIA1 and GIA2, to identify whether the unit or connectors/wiring is at
fault (Both GIAs must be configured when swapped, see Section 3.5):
9 If problem follows GIA, replace defective GIA per Section 6.3.
9 If problem persists, replace defective GMA per Section 6.3.
5.9.2 NAV
Table 5-34. NAV Troubleshooting
Symptom Recommended Action
Weak NAV receiver
Check NAV antenna, coupler, and cabling.
Switch GIA1 and GIA2, to identify whether the unit or connectors/wiring is at
fault (Both GIAs must be configured when swapped, see Section 3.5):
9 If problem follows unit, replace defective unit per Section 6.3.
5.9.3 G/S
Table 5-35. GS Troubleshooting
Symptom Recommended Action
Weak G/S receiver
Check G/S antenna, coupler, and cabling.
Switch GIA1 and GIA2, to identify whether the unit or connectors/wiring is at
fault (Both GIAs must be configured when swapped, see Section 3.5):
9 If problem follows unit, replace defective unit per Section 6.3
5.9.4 GPS
Table 5-36. GPS Troubleshooting
Symptom Recommended Action
Will Not Acquire Satellites
Ensure that a cell phone or a device using cell phone technology is not turned
on (even in a monitoring state) in the cabin.
Check GPS antenna and cabling
Check date and time on Date/Time Setup Page
9 If date and time is incorrect, correct date and time.
Switch GIA1 and GIA2, to verify location of problem:
9 If problem follows unit, replace defective unit.
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