Master Reset Command - Mercury 150 EFI Service Manual

At this point you have completed tank 1 calibration and you will see "t2".
Change "t20" to a 1 (on). Press the
NOTE: If you choose oil or water/waste, no further cal will be needed.
Repeat tank calibration procedure described on page 34 and 35 if calibration of the second tank
is desired.

Master Reset Command

Master Reset: You can return the gauge back to factory presets through the Master Reset
command.
IMPORTANT: Performing a master reset will reset the unit back to all factory defaults,
thus eliminating any installation calibrations performed during set up of product.
1. Hold in
let go of the buttons.
2. Immediately press and hold in
zero "0".
3. The "SEt" message flashing on the screen indicates that the unit has been reset to
factory defaults.
90-883728 JULY 2001
button, select which tank you want tank 2 to be, (oil, fuel or water/waste). Press the
button to continue.
and for approximately 12 seconds. You will see the word "dFLt"
button, you will see a blinking tank icon. Using the
and again until the unit counts down to
WIRING DIAGRAMS
Page 2D-35