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Old October 31st 11, 03:51 PM posted to rec.aviation.soaring
S. Murry
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Posts: 68
Default CAI 302; slow download of flight log



Thanks everyone. I'm using the CAI Utility v. 2.5.6 with a Belkin USB
to serial adaptor. I think the 302 logging interval is 4 sec (but will
check tomorrow). Bill- Hide quoted text -

- Show quoted text -


I checked & the logging interval is set at 4 sec. I also tried another
Belkin USB to serial adaptor, but the download rate was the same. I
then tried to download a flight log from a 302 in another a/c, but
again the download rate was very slow. Any further suggestions?


I would try downloading to a PC with a REAL serial port, or to a PDA and
so remove the Belkin from the equation.

Tim Newport-Peace

I had this problem once. I can't remember if I was using a Belkin brand
USB-serial, but I was using a "name brand" one (i.e. not the cheapest
no-name brand that I could find). It may very well have been Belkin.

The first time I tried it, it was amazingly slow (like an hour to download
a flight). After some dead-scratching, I went out and bought another
(cheap) USB-Serial (I believe the brand is "Prolific") and it's been
working fine ever since.

I have no explanation for this, but I'd suggest spending $10 to give
another brand of USB-serial. My suggestion would be to try to find one
that has a driver packaged with the unit. I have a theory that some of
the units that don't have their own drivers utilize "generic" drivers, or
else they use an inappropriate driver and this can cause weird problems.
I may be wrong about the driver issue, but buying a cheap Chinese-brand
USB-serial that came with its own driver disk worked for me.

--
Stefan Murry