Instrument - Raymarine ST40 Owner's Handbook Manual

14
The Fluxgate Compass transducer must also be sited:
• At least 0.8 m (2 ft 6 in) away from the vessel's steering compass to
• On a bulkhead below deck.
Note: On steel vessels the Fluxgate Compass transducer can be
mounted above deck. When mounted above deck, performance may be
impaired due to increased motion.
• To allow reasonable access for installation and servicing.
• Away from any equipment or other installation which may shield
• On a vertical mounting surface. Where necessary, make up a

Instrument

CAUTION:
The presence of moisture at the rear of the instrument could cause
damage either by entering the instrument through the breathing
hole or by coming into contact with the electrical connectors.
Each instrument must be positioned where:
• It is easily read by the helmsman or navigator
• It is protected against physical damage
• It is at least 230 mm (9 in) from a compass
• There is reasonable rear access for installation and servicing
• The rear of the instrument is protected from water.
avoid deviation in both compasses.
the transducer or otherwise disturb the earth's magnetic field, e.g.
large ferrous or magnetic items, engines, communications
equipment or cabling.
suitable nonferrous wedged packing piece to provide the necessary
vertical surface.
ST40
126 mm (5.0 in)
Instrument dimensions
ST40 Compass Instrument Owner's Handbook
30 mm (1.2 in)
minimum cable clearance
21 mm 17 mm
(0.8 in) (0.67 in)
55 mm 70 mm
(2.2 in) (2.8 in)
D4644-2