James--
Curt is right that low battery states are often involved but there
are a few other causes. If a new recorder isn't your immediate
future/budget, I used Hi-MD recorders for years in large classes and
we were able to successfully avoid data loss by following the tips
and set-up steps at the beginning of this class manual:
https://pantherfile.uwm.edu/type/www/116/Hi-MD-Handbook/06116-HiMD-Hndbk.htm
Rob D.
At 4:43 AM -0600 12/29/10, Curt Olson wrote:
>So sorry to hear about this, James. There could be many causes, but I
>lost several hours of good material a few years back when the AA
>battery in my Hi-MD recorder died in the cold and there was not enough
>power left to correctly update the disk directory. This turns out to
>be a fatal flaw in some later Hi-MD models, such as the MZ-M10 and MZ-
>M100, that I was able to recreate again and again at room temperature.
>(Earlier Hi-MD models, such as the MZ-NHF700 and MZ-NHF800 seem to be
>more reliable in this regard, reserving enough battery power at the
>end to update the disk directory before they shut down.)
>
>I was never able to recover the lost data, but I didn't go to the
>extent of sending it in to Sony as Rob suggests. Hopefully you can get
>some help that way. Meanwhile, for future recordings, I'd recommend
>migrating to one of the newer digital recorders like Olympus LS-10 or
>Sony PCM-M10 if you can.
>
>Curt Olson
>
>James Eaton wrote:
>
>> Dear Nature Recordists...
>>
>> On a recent camping trip into the rainforest in Sumatra I
>> encountered a problem - after taking over 80 sound recordings (many
>> of them of real value and importance to me) my Sony Hi-MD stopping
>> working, showing 'format disc error' despite working perfectly
>> normally just 5 minutes previously.
>>
>> Could anybody please point me in the direction of help or offer any
>> advise on what can be done to retrieve the data saved on the
>> minidisc as it really would be soul-destroying if I have lost all
>> the recordings I had made over the previous couple of days!
>>
>> Many, many thanks in advance,
>>
>> James
>>
>> James Eaton
>> <jamesaeaton%40hotmail.com>
>
>
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