Raymarine Autohelm ST6000, Руководство по обслуживанию

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SeaTalk Service Manual 22
7. Service visit to a vessel
When a service visit to a vessel is made the most common fault encountered is likely
to be poor connections or inadequate power supplies. These should be thoroughly
checked before the service visit diagnostic procedure is carried out. When trying to
locate a fault it should be remembered that most failures will occur in the Course
Computer with the Control Units as the next most likely.
It should be noted that the calibration variables and auto deviation correction will
require re-setting if either the course computer, its PCB or its Software are
exchanged. Similarly if the Control Unit PCB is exchanged the display contrast will
require re-setting. Procedures for carrying out both these operations are given in
section 3.
Always note the course computer calibration settings before removing from the
vessel.