NorthStar Navigation Explorer 538i User Manual

Page 54

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Northstar Explorer 538i/538 Installation and Operation Manual

54

Black

Power/data cable

Orange

Blue

NavBus wires

to other Navbus instruments

If the boat has one or two SmartCraft capable
Mercury petrol/gasoline engines, connect the
Explorer 538/538i to the SmartCraft engines with
an optional SmartCraft gateway. The display unit
can display engine data and trim and can control
troll speed.

Note:

Fit a single gateway for single engines and a
dual gateway for dual engines.

SmartCraft engines have fuel flow sensors,
therefore Northstar fuel sensors are not
required as well.

If the fuel tank does not have SmartCraft level
sensors, wire for auto power (see section
15-4).

SmartCraft
gateway

NavBus is Northstar’s system for connecting
instruments together to interchage data and
share transducers. When instruments are
connected by NavBus:

If the units, alarms or calibration are changed
in one instrument, then the values will
automatically change in all other instruments
of the same type.

Each instrument can be assigned to a group
of instruments. If the backlight is changed in
an instrument in group 1, 2, 3 or 4 then the
backlight will automatically change in the
other instruments in the same group.

If the backlight is changed in an instrument
in group 0 then no other instruments are
affected.

If an alarm sounds, mute it by clearing the
alarm on any instrument which can display
that alarm.

NavBus and the Explorer 538/538i

The Explorer 538/538i can:

Display wind speed and direction from an
optional Northstar Wind instrument.

Receive and display depth from an optional
Northstar depth instrument.

Receive and display boat speed and water
temperature from a paddlewheel sensor on
an optional Speed instrument.

Receive barometric pressure from an optional
Northstar VHF radio. The Explorer can display:

Baro: barometric pressure

Baro history: barometer history

Weather: a predication, based on changes in
barometric pressure

Fish forecaster: a prediction based on
changes in barometric pressure

Receive data from an optional GPS or
GPS/DGPS source.

Send data to optional Northstar instruments,
for example to a repeater.

During setup for NavBus instruments, set
NavBus

to

and assign the instrument a

NavBus group

number (see section 14-9)

15-7 Installation: SmartCraft

15-8 Installation: Other NavBus instruments

During setup enter the SmartCraft setup data.
For information on installing, setting up and
using SmartCraft, see the SmartCraft Gateways
Installation and Operation Manual
.

Black

White

Power/fuel splitter
cable (‘Y’ cable)

Other wiring

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