Tachometer Display Screens - Mercury 150 EFI Service Manual

WIRING DIAGRAMS

Tachometer Display Screens

1
2
3
4
5
NOTE: NOT ALL SCREENS MAY APPLY TO YOUR ENGINE TYPE.
When the ignition is turned on, the tachometer will display the last screen that was dis-
played before the ignition was turned off.
Press
ing and holding
NOTE: Readings can be displayed in English (U.S.) or Metric. Refer to Calibration.
1. Engine Break-in – Displays time remaining on the break-in period of a new engine. This
screen will automatically disappear after the break-in period is complete.
2. Temperature – Displays engine coolant temperature from Cold to Hot.
3. Power Trim Angle: Displays trim angle of the outboard or sterndrive up to the maxi-
mum trim angle, and then displays the trailer angle. 0 = down, 10 = maximum trim,
and 25 = full trailer.
4. Power Trim Angle - Water Pressure – Displays trim angle of the engine and cooling
system water pressure.
5. Water Pressure: Displays cooling system water pressure at the engine.
6. Oil Pressure (Not Shown Above) – Displays engine oil pressure in units of Psi or
Bar.
7. Battery Voltage – Displays voltage level (condition) of battery. Also records the run-
ning time of engine.
8. Fuel Flow – Displays engine fuel use in gallons per hour or liters per hours.
9. Digital Tachometer: Displays engine speed in Revolutions Per Minute (RPM).
Page 2D-38
ENG
F
PSI
WATER
PSI
MODE
to change display screens. You can revert back to the previous screen by press-
MODE
for 2 seconds. This will reverse the display rotation.
Tachometer
3
4
5
2
1 6
0 7
HRS
VOLT
7
22.3
13.6
USED
FUEL
8
2.4
22.0
3200
9
90-883728 JULY 2001