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Chapter 2: Installation
2.5 Trunnion Mounting the Display Head
The display head may also be trunnion mounted using the custom
Autohelm mounting kit (part number D219).
Note...
Because the ST30 Compass breathes around the integral connector pins,
trunnion mounted instruments must be sited in areas protected from the
weather and direct contact with water.
2.6 Power supply (Stand-alone operation)
Caution: The ST30 Compass is for use with 12V supplies only.
For stand-alone operation, use the supplied 1m power cable supplied.
1. Plug the moulded end of the power cable into to one of the 'SeaTalk'
connections in the rear of the display head. Run the free end back to
the vessels distribution panel.
2. Cut the cable to length and connect the red wire to 12V and the
screen to 0V. Protect the circuit with a 5A fuse/circuit breaker.
+
SEATALK
+
+
12v Supply
–
D1793-1
+
+
5A
Red
Screen
D1791-1
15
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