WIRING DIAGRAMS
Page 2D-36 90-883728 JULY 2001
System Tach & Speed
Tachometer Speedometer
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Basic Operation and Features
Power up: Each gauge will power up when the ignition is turned on. Gauges will stay on
as long as the ignition is on.
On first time power up of gauge or after a “Master Reset”, gauge will show “Auto detect”. Upon
pressing the mode button, gauge will automatically determine engine type. This will preset the
data monitoring screens accordingly. The intention is to make initial setup easier. If gauge
shows a warning of “No Starboard Engine” or “Multiple Starboard Engines”, engine will need
to be properly selected (Port and Stbd) using a Mercury engine diagnostic tool. “Master Reset”
and “Auto detect” again. (See page 45 for “Master Reset”).
Lights: The brightness and contrast are adjustable.
Buttons: The
MODE
button is used for selecting information screens. The “+” and “–” but-
tons are used for setting engine speed during troll control and setting gauge calibrations.
Troll Control: Allows the operator to set and control the idle speed of the engine for trol-
ling without using the throttle.
Engine Guardian System: Monitors the critical sensors on the engine for any early indications
of problems. The system will respond to a problem by reducing engine speed in order to main-
tain a safe operating condition.
Warning System: The system will sound the warning horn and display the warning message.
Digital Display Screen: Displays the following engine information.
Tachometer Display Screen: Speedometer Display Screen:
DEPENDING ON ENGINE TYPE
Engine Break–in
Engine Temperature
Oil Psi
Trim and RPM
Trim and Water Pressure
Water Pressure
Battery Voltage and Engine Hours
Fuel Flow and Fuel Used
RPM
DEPENDING ON ENGINE TYPE
Speed
Fuel Used
COG/SOG – If GPS Input
Distance and fuel to way point –
if way point programmed into optional GPS
Clock – Air/Sea Temp
Inst. and Ave. Fuel Economy
Trip Odometer
Fuel Tank Levels
Oil Tank Levels
Fresh Water Tank2 or Level(s)
Waste Water Level(s) or
Dual Engine
Trim and RPM Synchronizer –
Fuel Range
Fuel Economy
Trip Odometer
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