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cb-625 Calibration Calibrating a cb-625 We promise 1% accuracy on the velocity and test them to half a percent to make sure they can do it. If you want yours to agree with another chronoscope you can adjust a Mk3 or Mk4 cb-625 1% faster or slower by pressing buttons. Hold RST down for 11 seconds until you see the 3 digit calibration number then let go. Usually set 100 for no calibration, make it 000 will make the cb-625 read 1% faster, setting it to 199 will make it read 1% slower. If you want it to read half a percent faster set it 50 and so on. Increasing the calibration number increases the time, hence the lower speed. If you have a problem with the maths here is a handy calculator to do it for you. Calibration number Did your chronoscope come with a test reference number on the back in pencil? Use it to access details of the 3 shot test it had to pass and get a suggested calibration number. Calculator Overtype any value and press the calculate button. Select the line you want to calculate using the radio buttons on the right. |