[time-nuts] Service Manual needed

J. Forster jfor at quikus.com
Mon Aug 20 17:49:46 UTC 2012

Try a place that services Theodlites or an HP fields office might be able
to get an old Fiche for you to copy. I got a 3820A manual that way.

They are not easy to repair. As I remember, the LEDs on the encoder are
troule prone. Also, if you touch anything in the guts, it needs a recal,
which requires special fixtures.

The Japanese pretty much own the survey business now.



> Greetings,
> I have acquired a HP 3810A Total Station surveying instrument that is need
> of some TLC.  I have looked in many places for a service manual for this
> unit.  If you know of the location of one please send an email to me at:
> GPBATEY at wildblue.net.
> Thanks in advance,
> Gordon WA4FJC
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