CONTROLS AND INDICATORS
7-1
Controls and Indicators
While the Model Specifications pages provide spe-
cific information regarding the location of individual
gauges and switches for each MasterCraft model, there
is some general information about various gauges that
has a direct impact in the operation and maintenance
of your boat. The following includes information that
should be reviewed and recalled on a regular basis.
Multi-Function Gauge
Beginning with the 2004
model year, this gauge provides
several functions of interest and
support to the boater. As a ta-
chometer, it indicates the en-
gine speed in crankshaft revolutions per minute
(RPM). Propeller shaft RPM is the same as the engine
rotation except for boats equipped with the Power
Slot 1.5:1 ratio package or a V-drive gear, in which
case propeller shaft RPM is less than that of the en-
gine RPM.
Toggle to the hourmeter and it registers the ac-
cumulated engine operating time. Use the hourmeter
to keep accurate logs for scheduled maintenance.
Toggle to the depth finder to determine the
approximate depth from the bottom of the hull to
the ground surface beneath the water.
Toggle to the air temperature gauge to get an
approximate reading of the ambient air temperature
above the water’s surface.
Toggle to the clock for the convenience of de-
termining the time.
(See the adjacent box for additional information about
using this gauge.)
Fuel Gauge
The readings are only approximate.
The gauge is activated with the igni-
tion switch. Rocking motion of the boat
during normal operation will cause fluc-
tuation of the fuel gauge. For a more accurate read-
ing, make sure that the boat is level and at rest. When
the boat is placed into initial operation, do not run
the boat below a quarter of a tank until you have re-
fueled several times and a have sense of how long
you can operate the boat on the fuel available. Ex-
tending usage beyond the known capability may cause
the boat to run out of fuel and strand you away from
the shore.
Making Use of the Multi-Function Gauge
In addition to the displays noted to the left, the
multi-function gauge also displays several alarms. The
following messages will be displayed if an alarm occurs:
VOLT = Below 11.5 volts
OIL = Oil is below 4 p.s.i. when the R.P.M. is
below 1000 R.P.M. or the oil pressure is below 10
p.s.i. and above 1000 R.P.M.
TEMP = High engine temperature alarm
TRAN = Transmission alarm
The hourmeter displays the boat hours and is
stored in the engine’s computer. Replacing the com-
puter (known as an MMDC) will erase the hours. It
counts hours only when the engine is above 300
R.P.M. When equipped with a revision C MMDC,
the option exists to change the display to metric from
the hours screen. This is done by holding down the
gauge selection display button for three seconds.
When prompted, select English or metric display.
Wait an additional three seconds and the display will
return to normal operation.
The clock can be adjusted by depressing the gauge
selection display button when the clock is displayed.
After three seconds the colon will stop flashing and
the hours are adjusted by pressing down, while minutes
are adjusted by pressing up. After three additional
seconds the clock will return to normal operation.
Lake temperature is also standard on the gauge.
This comes from the paddle wheel located under the
boat. If the sensor becomes open or shorts-out to
the battery, it will read 32
0
F. If the sensor is shorted
to ground it will read 150
0
F. The temperature is also
where the SELF TEST is located. With the lake
temperature displayed, hold down the gauge selec-
tion display button for three seconds or until the
self test has started. During the left test, all the seg-
ments on the display will light up. Also during the
self test, the gauges will re-set, go to mid-scale and
then to full-scale. After two sweeps the system re-
turns to normal.
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