Raymarine C90w - Manual (Page 63)

poor position. has a clear view of the
sky.
GPS installation
problem. Refer to manufacturers
handbook for installation
details.
Note: A GPS Status screen is available within the Setup
menu. This provides satellite signal strength and other relevant
information.
6.5 Sonar troubleshooting
Problems with the sonar and their possible causes and solutions
are described here.
Problem Possible causes Possible solutions
DSM power supply fault. Check the DSM power
supply and cables.
Other DSM fault. Refer to the instructions
supplied with the DSM
unit.
Check that the DSM is
correctly connected to
the display or SeaTalk
hs
switch.
Check the status of the
SeaTalk
hs Switch.
SeaTalk hs network
problem.
Check that SeaTalk hs
cables are free from
damage.
No data source for the
fishfinder.
Software mismatch
between equipment may
prevent communication. Contact Raymarine
technical support.
Troubleshooting 63