v.digit using Altek AC30 (Problems)

Lars Schylberg larss at fmi.kth.se
Thu Jun 24 02:37:39 EDT 1993

> I am attempting to run v.digit using an Altek AC30 digitizer (format 8,
> 9600 baud) using the al30f8_16 driver.  The problem I run into is when I
> attempt to register a map.  I am able to enter the coordinates (using the
> keyboard) and then register the points (using the digitizer cursor).  When
> I press Key<4> (accept residuals), the program bails out at the verify
> screen and returns the message "Digitizer read error: exiting" at which
> point I am then back at the GRASS4.1> prompt.  I have checked the dip
> switches on the digitizer and everything appears to be in order.  Has 
> anyone else experienced a similar problem?  Any suggestions?

I have exactly the same problem with the new v.digit.  Please help !!!
The only difference for me is that I have a AC40 controller, but that
shouldn't change anything in the setup.  This has been a unsolved problem
for me for a long time, but I haven't had the time to dig deep into the


Lars Schylberg                          Email: larss at fmi.kth.se  
Dept. of Geodesy and Photogrammetry 
Royal Institute of Technology (KTH)     Tel.   +46 8 790 86 33   
S-100 44  STOCKHOLM, SWEDEN             Fax.   +46 8 790 66 10

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