CHKVCR.LIT is similar to Alpha Micro's CRT610.LIT. Both programs check the
reliability of VCR tapes. However, CHKVCR.LIT will show the reliability of
each block (or small number of blocks, depending on the number of copies
specified). A summary statistic shows the minimum number of bad copies in 
a block.

This program is important in that a VCR tape may have very high reliability
but 1 block may have almost no good copies. At Softworks we have been using
this program and haven't had a bad tape sent out since its use.

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