System Data Troubleshooting - Raymarine C90W Installation Manual

Problem Possible causes
Problematic depth Gain or Frequency
readings or sonar
settings may be
image. inappropriate for present
conditions.
DSM cable fault.
Other DSM fault.
64

6.6 System data troubleshooting

Possible solutions
Check the fishfinder
Aspects of the installation can cause problems with the data shared
presets, gain and
between connected equipment. Such problems, their possible
frequency settings.
causes and solutions are described here.
Problem
Ensure that the power,
transducer and all other
Instrument, engine
cables to the DSM unit
or other system data
are properly connected
is unavailable at all
and free from damage.
displays.
Refer to the instructions
supplied with the DSM
unit.
Possible causes Possible solutions
Data is not being
Check the data bus
received at the display. (e.g. SeaTalk
and connection to the
display.
Check the overall
integrity of the data
bus (e.g. SeaTalk
wiring.
If available refer to
the reference guide
for the data bus. (e.g.
SeaTalk
manual)
Data source (e.g Check the source of the
ST70 instrument or missing data (e.g. ST70
engine interface) is not instrument or engine
operating. interface).
Check the power to the
SeaTalk bus.
Refer to the
manufacturer's
handbook for the
equipment in question.
Software mismatch Contact Raymarine
between equipment may technical support.
prevent communication.
C-Series Widescreen installation
ng ) wiring
ng )
ng reference