Raymarine ST290 Owner's Handbook Manual page 3

An Introduction to ST290
The Raymarine ST290 system is a comprehensive and versatile
instrument system, intended to facilitate the operation of both sail and
power vessels. Data is provided by a range of transducers and displayed
on digital and analog instruments. Control and interfacing for the entire
system is provided by a Data Processing Unit (DPU).
Figure 1-1: ST290 Instruments & keypads
WARNING:
We supply this product calibrated to default settings. To ensure
optimum performance on your boat, this product MUST be
calibrated before use. Do NOT use the product until it has been
calibrated using the instructions supplied.
ST290 Instrument System Owner's Handbook
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