I have one of these and its a mare to set up but here's what iv found out with mine.

DONT adjust the gain, this is there for turbos with external waste gates and is meant to compensate for the stiffer sgpring rate, so you should have it set somewhere round the 20(ish) mark.

The right hand knob.

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it has 3 different displays.

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1.

% of boost
2.

Actual boost in real time.

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.boost gauge
3.

Peak hold

ok.

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push this until it is displaying tht epercentage of boost.

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.will be a number between 0-100
ok now press the left hand button and you will see SET flasing in top right hand corner.

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Now turn the right hand knob to your desired choice.

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(Start at around 40)
Now go for a drive and see what you peak boost is.

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.then either turn ya percentage up/down to reach your desired boost level.
