GAUGE WARNING FEATURE
The gauges have the built in feature to alert you when they are outside their normal
operation range. The fuel display will flash whenever the fuel level is below 10% to indicate low
fuel. The voltage gauge will flash whenever the system voltage is below 11.0 volts and the
engine is running. The water gauge will flash whenever the temperature is higher than the water
warning set point. The oil gauge will flash whenever the oil pressure is below the oil warning set
point and the engine is running. The WRN output will be activated whenever the rpm warning
set point is exceeded. A single. lit bar on the right half of the rpm bar display shows the current
rpm warning set point. The rpm warning set point can either be used as a shift indication or as a
red line indication. The rpm warning output is triggered off the bar tach and is updated every 1/8
second.
The water, oil, and rpm warning set points are user adjustable. They are preset at the
factory to 250 for water, 10 for oil, 4560 for 6000 bar tachs, and 6080 for 8000 bar tachs. The
warning set points are adjusted using the TRIP, RESET, and WRN terminals.
To enter the warning adjust mode, ground the WRN terminal while the system is turned
on. The speedometer will display “AdJ”. Release the ground from the WRN terminal. The
current warning set points will be displayed. The RESET, TRIP, and WRN inputs adjust the
water, oil, and rpm warning set points respectively. Once the set points have been changed, if
an input is not activated for 8 seconds the values will be saved and the system will begin
operating normally.
To change the water warning set point, press and hold the RESET button until the
desired value is shown. The range is from 194 – 254°F in 2° increments (90 – 123°C).
To change the oil warning set point, press and hold the TRIP button until the desired
value is shown. The range is from 2 – 30 psi in 2 psi increments.
To change the rpm warning set point, ground the WRN terminal until the desired value is
displayed. For 0-6000 bar tachs, the range is from 2160-5760 rpm in 120 rpm increments. For
0-8000 bar tachs, the range is from 2880-7680 rpm in 160 rpm increments.
GAUGE SPECIFICATIONS
Gauge Minimum reading Maximum reading Resolution
WATER 0°F (0°C) 299°F (148°C) 1 - 2°
OIL 0 psi 80 psi 1 psi
FUEL 0% (empty) 99% (full) 1 - 3%
VOLT 8.0 volts 18.0 volts 0.1 volt ±0.1
SPEED 0 mph (kph) 255 mph (kph) 1
ODOMETER 00000.0 miles (km) 99999.9 miles (km) 0.1
TRIP METER 000.0 miles (km) 999.9 miles (km) 0.1
TACH bar 400 rpm 6000 rpm or 8000 rpm 120 or 160
TACH digital 400 rpm 9990 rpm 10
Power requirements: 11 – 15 volts dc
(Battery charges cannot be used for powering or testing this system.)
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