Year of Manufacture *: 1995
My 4 gas has just given up and I have temporarily acquired this Crypton 270 until my future business plans are a bit clearer.
Does any one know how I can do a very rough calibration (I know that's a contradiction ) so I can use it for pre MOT testing. I am aware of the red arrows showing which screws to adjust after warm up but am not sure how to adjust the screws that have previously been covered with tape. I can obviously test it either in fresh air or with a car that has just been tested.
Any help would be much appreciated.
Regards,
Bryan.
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