7.1 Basic / Load Sections 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
The number is a multiplier, so that 100% indicates to use normal fueling. The barometer reading is whatever
the MS3Pro is currently using for correction. If you have enabled a barometric pressure sensor, the reading will
change in real time. If you are using the initial MAP reading for barometric pressure, it will display the MAP reading
it sampled when the MS3Pro initially powered up.
7.1.10 MAP sample settings
On an engine that is using the MAP sensor (most installs except pure MAF or pure Alpha-N) it is important to get a
repeatable and stable MAP sensor signal. Note that repeatable is more important than "accurate". There are two
schemes available:
• Event Average - the MAP signal is averaged between each ignition event. This is useful for most engines.
• Timed Minimum - the MAP signal is sampled in a defined sample window and the minimum reading is used.
This is useful mainly on 1 or 2 cylinder engines.
See also the MAP logger description.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 139
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