Lowrance HDS Live Installation Manual page 42

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more tight steering. A too high response level will cause the boat to
make S movements.
Troubleshooting
The following are possible symptoms or * messages displayed by
the MFD. If the problem persists after trying the recommended
action, contact support.
No active autopilot control unit
Probable cause: The NAC-1 computer has lost contact with the
active control unit.
Recommended action: Check the cable connections from the
NAC-1 and MFD to the CAN bus network.
No autopilot computer
Probable cause: The MFD has lost contact with the NAC-1
Computer.
Recommended action:
• Make sure the NAC-1 computer is powered.
• Check connections from the NAC-1 to the CAN bus network.
AP Position data missing*
Probable cause: Missing or invalid position data.
Recommended action:
• Check the GPS cable connections to CAN network.
• Check the GPS antenna location.
• Check that the correct position source is selected. (Run a new
source selection.)
AP Speed data missing (SOG)*
Probable cause: Missing or invalid speed data.
Recommended action:
• Check the GPS cable connections to the CAN network.
• Check the GPS antenna location.
• Check that the correct position source is selected. (Run a new
source selection.)
AP Depth data missing*
Probable cause: Missing or invalid depth data.
Recommended action:
• Check the depth transducer.
Software setup | HDS Live Installation Manual