Reference Manual Part 2

207 Chapter 20: Maintenance and Troubleshooting
Chart
Fishfinder
Problem
Solution
Vessel not shown in correct geographical position
• Check GPS status (page 190).
• Check that the Display is not in Simulator mode (see
page 29).
• Check the SDGPS setting is switched OFF.
• Perform the chart offset operation (see
page 47).
Display does not show enough chart detail
• Set the Declutter option to OFF (see page 68).
• In the Cartography Setup Menu switch the appropriate
feature(s) to ON.
Problem
Solution
How do I upgrade my DSM software?
Visit www.raymarine.com and click on Support to download the latest software.
Follow the instructions 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 SeaTalk High Speed connections are
sound and connected correctly - refer to the System Integra-
tion chapter of your E-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 Manual.
• Check the DSM power cable is free from damage and
corrosion
Problem
Solution