> Sorry, but I am having the same difficulty. The serial port and/or serial converter does
> not help and I have tried several very reliable converters and even several computers. I
> am getting the same messages that you are getting and it is not the Serial port or Serial
> to USB converter. I have ruled out hardware.

Hmmm... that's a bit of a drag isn't it? Anyway, the new cable ought
to improve things with the ETX anyway, so it's not entirely wasted.

What about software? Have you tried other planetarium programs than Guide?

Arild