Raymarine C90w - Manual (Page 64)

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