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Northstar
Explorer 538i/538
Installation and Operation Manual
50
Optional sensors and instruments
External alarms
: Lights or sounders in the boat
to sound alarms through the boat (see section
15-4).
GPS or DGPS antenna
: For GPS navigation, see
section 15-5.
Fuel sensors
: For fuel functions. The Explorer
538/538i can use these optional fuel flow sensors,
fitted to one or two engines:
•
Northstar petrol/gasoline sensors (see
section 15-6)
•
SmartCraft fuel sensors (see section 18-11)
SmartCraft
: With one or two SmartCraft capable
Mercury engines, the Explorer 538/538i can
display engine data and trim and can control troll
speed (see section 18-10).
Other instruments
: The Explorer 538/538i can
receive data from other instruments and send
data to other instruments by NavBus or NMEA
(see sections 18-12 and 18-13).
Please consult your Northstar dealer for more
information.
Connections
GPS antenna (Explorer 538, 15-5)
Power (15-4)
External alarms (15-4)
NavBus instruments (15-8)
NMEA out to instruments (15-9)
Petrol/gasoline sensors (15-6),
NMEA in (15-9)
Power/data cable
Pin Wire
Function
1 Black
Ground:
-
power in, NMEA ground. (The cable has two black wires which are
connected inside the cable and it does not matter which black wire you use)
2
Brown Power out, 9 V DC (not used)
3 White
NMEA
out
4 Blue
NavBus
-
5 Red
+
power in, 10 to 16 V DC
6 Orange
NavBus
+
7
Yellow Auto power in
8
Green
External alarm out, 30 V DC 200 mA maximum.
Display unit
(15-3)
Black
Black
White
White
Содержание Explorer 538
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