Questions by Hugh Gunn2008-04-03
No full verification on the NextoM1 (Model 2325)
I have read the many postings on this issue and agree with all of the other people that the full verification function should be restored, even though it is only a software verification that is very slow. Maybe the menu display needs to calculate the time needed for the full verification and to display this before the user commits to the full verification.

However the NEXTO engineers should be able to tell us all in a posting what percentage of errors are able to be detected by reading only 128kB per file. Is this percentage likely to be high, e.g. above 99% of all errors present for example? Please tell us, and then we can make an informed choice based on engineering & science.

Can an extended or deeper form of the sampling verfication be offered as an extra option, where the time spent on the deeper sampling is comparable to that which a full hardware verification might take? Most full hardware verifications multiply the TOTAL Time to copy a card, read it back again, and to then verify it against what is on the hard drive to between 2.5 to 3 times the time needed to just copy the card. What percentage of errors do your engineers believe would detected by this deeper form of verification sampling? On an 8GB card, for example, your current verification sampling adds only 10% extra time to to the time needed to read and copy the card. This is not deep sampling. What I am asking your engineers to tell us is what is the benefit we could expect as a result of extending the sampling verification to between say 150% to 200% extra time (similar to the extra time taken by full hardware verification).

Lastly, your sales and promotional literature should be urgently updated to explain to prospective buyers that the Nexto M1 (2325) only uses software sampling verification. I purchased your M1 on the sales advice that it had full hardware verfication and that this was a feature of the unit. I am disappointed that this has not been made clear in your promotional materials.

Thank you for your consideration of this posting.

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Answer by as2008-04-30

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