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7. Lock up adjustment points. Prism assembly is now adjusted and calibrated correctly
If the whole prism assembly is well tightened and is not badly knocked, it should not actually go out of calibration.
So every month a quick check will ensure it is calibrated. If in use components are being placed off centre the prism
assembly may need calibration. Remember always lock pick-up and vision arms (using the black locking levers at the
rear of the arms) before calibration is carried out and lock arms during alignment and placement.