The tracks a copy carries holes on that the tracker bar does not read.
A non-empty result usually means the scan is calibrated wrongly. A chain
lying across several positions is counted against each one the bar
cannot read, and not at all where it reads them all.
The tracks a copy carries holes on that the tracker bar does not read. A non-empty result usually means the scan is calibrated wrongly. A chain lying across several positions is counted against each one the bar cannot read, and not at all where it reads them all.