7.8 Advanced Engine 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
• Oil pressure warning - Allows you to use an output pin to trigger a warning light if pressure is either too high
or too low.
• Oil pressure triggers limp mode - This is actually set on the limp mode settings under CAN bus / test
modes, but displayed on this page as well.
• Low pressure triggers engine shutdown and Time allowed at low pressure - If the oil pressure falls
below the minimum pressure for longer than the allowed maximum time in seconds, the MS3Pro will shut
down the engine in the same way as specified on the AFR Safety screen.
7.8.22 Pit lane limiter
This allows you to apply a speed limiter in the pit lane of a road course as long as an input switch is activated.
• Pit limiter enable - Toggles this feature on or off.
• Input - Specifies what switch to use to the speed limiter.
• Mode - Fixed mode uses a single speed. Holding mode will hold your speed limit at the speed when the
switch is activated.
• Use VSS or RPM target - In holding mode, this allows you to use either the vehicle speed sensor or RPM to
determine speed. Fixed mode always uses VSS.
• Speed - The maximum speed in fixed mode.
• Speed control range - Control range of speed to apply limiters across. 5mph recommended as a starting
point. Setting the range too small will cause oscillation.
• RPM control range - Control range of RPM to apply limiters across. Setting the range too small will cause
oscillation.
• Tracking sensitivity - Adjust tracking sensitivity to adjust limiter window. Initially the 0% fuel/spark cut is
applied at the limit and full cut is applied at the limit+range. If the speed is above the limit, the lower limiting
point is lowered slowly.
• Spark retard mode - Allows using spark retard while the speed limiter is activated.
• Maximum retard - The most spark retard allowed, in degrees from the regular timing table.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 255
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