Transducer; Cabling; Fault Finding; Preliminary Procedures - Raymarine ST40 Owner's Handbook Manual

10
Periodically clean your ST40 instrument with a soft damp cloth. Do
NOT use chemical or abrasive materials to clean the instrument.
Transducers
Refer to the Installation and Maintenance instructions supplied with the
transducers.

Cabling

Examine all cables for chafing or other damage to the outer shield and,
where necessary, replace and re-secure.

2.2 Fault finding

Preliminary procedures

If you appear to have a problem, first check the security of the
connections at the rear of the instrument and reconnect any that are
loose.
Changes in the electronic environment may adversely affect the
operation of your ST40 equipment. Typical examples of such changes
are:
• Electrical equipment has recently been installed or moved aboard
• You are in the vicinity of another vessel or shore station emitting

Fixing faults

All Raymarine products are subjected to comprehensive test and
quality assurance programmes prior to packing and shipping. However,
if a fault occurs, the following guidelines may help to identify and
rectify the problem.
Low battery
your vessel.
radio signals.
BIDATA
D4737-2
ST40 Bidata Instrument Owner's Handbook
Action
Recharge your vessel's battery as
soon as possible