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Chapter 13: Maintenance & Troubleshooting 197
Chart
Fishfinder
Problem
Solution
Vessel not shown in correct geographical position on Display
• Check GPS status (
page 189
).
• Check that the Display is not in Simulator mode (see
page 184
).
• Check the SDGPS setting is switched OFF.
• Perform the chart offset operation (see
page 91
).
Display does not show enough chart detail
• Check that the chart card for the appropriate area is installed.
• Set the Declutter option to OFF (see
page 89
).
• In the Cartography Setup Menu switch the appropriate feature(s) to ON.
Display will not read chart correctly
• Check the Chart Card has been inserted correctly with the display switched off.
• Check this is the correct compact flash cartography for the unit.
Problem
Solution
How do I upgrade my DSM software?
Visit www.raymarine com and click on Support to download the latest software. Follow the instruc-
tions included with these downloads.
‘No data source’ for my fishfinder
• Check the DSM power cable is free from damage and corrosion.
• Check DSM is receiving the correct voltage and current.
• Check status LED of the DSM unit - refer to Maintenance and problem solving section of the DSM
owner’s handbook.
• Check the DSM’s connections are sound and connected correctly - refer to the System Integration
chapter of your C-Series Installation Guide.
No depth readings available from the DSM
• Check status LED of DSM unit - refer to the Maintenance and Problem solving section of your DSM
Owner’s manual
• Check Gain setup and Transducer frequency - refer to the Fishfinder chapter in your Reference Man-
ual.
• Check the DSM power cable is free from damage and corrosion
81221_4.book Page 197 Tuesday, February 28, 2006 5:24 PM