recovering MD recording (HHB Portadisc)

["jpbeale" <>]

This is about the Portadisc more than it is about nature recording,
but perhaps there's some helpful knowlege out there? I recorded a full
MD in mono on my Portadisc (160 minutes) using the built-in batteries,
and the unit ran out of power and shut off. Now when I play back, I
get only the two minutes I had recorded previously, all 2+ hours is
missing. Is it true that the data was actually recorded but the MD TOC
(index) was just not updated?  The disc is still in the unit, I
haven't yet ejected it. Is there any way to recover it? I'm keeping my
fingers crossed!



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