Raymarine ST70 Installation Guide download pdf (Page 36)

30 ST70 Instrument User Reference Manual

4.2 Troubleshooting

In the unlikely event that you encounter problems using your ST70 instrument, use

this section to resolve the situation.

First considerations

If your ST70 is not performing as you think it should, be sure you are operating

correctly as described in the ST70 Operating Guide, supplied with the instrument.

Then:

• Ensure that any data you think may be missing, is available on your boat. For

example, if you do not have a wind transducer, then there will be no wind data or

wind-related data.

• Take into account any changes that may have been made to the electrical system

aboard your boat. Such changes could affect the performance of your ST70

instrument.

• Be aware that radio signals transmitted nearby (for example from another boat or

shore station) could affect the performance of your ST70 instrument.

If you are satisfied that the problem is not due to any of the above, use the procedures

in this section to isolate the cause of the problem.

Procedures

If it appears that an ST70 instrument is not operating satisfactorily, check the

symptoms below to determine how to resolve the problem:

• Nothing on the instrument screen - refer to Chart 1.

• Data missing from the instrument screen - refer to Chart 2.

• Data on the instrument screen is garbled- refer to Chart 3.

• Specific data types are missing or incorrect:

• Check the relevant Transducer and Pod, including the connections between

them and to the system.

• If speed readings are missing or obviously wrong, the speed transducer pad-

dle wheel could be fouled and need cleaning.

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Raymarine ST70 Installation Guide Page 36