Raymarine ST40 - Manual (Page 25)

16 ST40 Speed Instrument Owner’s Handbook
SeaTalk connections
CAUTION
When instruments are connected to SeaTalk, ensure that the
power supply for the SeaTalk 12 V line is protected by a 5 A fuse
or circuit breaker.
5 A circuit breaker
Red (+ve) 12 V dc supply
(e.g. course
computer
or battery)
Uninsulated wire
(screen) -ve
D4821-2
Typical SeaTalk connections
SeaTalk bus SeaTalk bus
SeaTalk interface
kit
Power cable
Note:
A 5 A fuse can be used in place of
the circuit breaker, if preferred.
Fitting the instrument
Fit your ST40 instrument as shown in the following illustrations.
1
D4759-1
Cutting centre
TOP
Cut out shaded area only
Cut out hole
57 m
m (2.25 in) diam
eter
ST40 Instrum
ent T
emplate
Remove template from handbook (immediately after index), apply to required location
and mark cutting centre.
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