I feel a little bit foolish, just discovered the Calibration section in the pocket topo manual - I had been looking for this stuff in the calibration manual and not the pocket topo manual - it solves much of the mystery about the meaning of values obtained from the calibration calculations.
My Disto-X is still misbehaving, but at least I can now interpret and manipulate the results myself. Bruce -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.speleo.sk/pipermail/therion/attachments/20090507/63706b05/attachment.html>
