Here's an update.
Investigation showed that the hardware mod has already been done to this
radio. Right now I have 2.062a installed and seems fine so far to me,
though of course I have a very limited term of reference. I would be
interested to hear if there is something I might want to try with the
radio that this version of code will likely fail at.
Next question. The S meter sits around 1.5 to 2 with the rig connected
to a dummy load. This with RF gain at 100, preamp and attenuator off.
All other NR/NB etc off. With the AGC threshold set at more than about
3uV the meter rapidly starts to rise which I can certainly understand.
How about setting the zero point?
Martin, HS0ZED
Alan Sewell N5NA wrote:
The hardware mod is not needed to try/use version 2 firmware. The sweep
will not work though without the hardware mod.
If the hardware mod is done it does not have to be undone to be able to
go back to the version 1 firmware.
So, there's really no reason NOT to give the version 2 firmware a try
and do the hardware mod. You never know, you may even like version 2!
73,
Alan N5NA
http://www.tentecwiki.org
jack wrote:
I have been running 1.373b5 (experimental) for a year or so. now and again
the radio quits working. so far a shut down and restart fixes the problem.
one can go to
http://radio.tentec.com/service/downloads/
to get 1.372 (the latest factory firmware for the original Orion) if so
desired. i have chosen not to modify the Orion to accept the 2.x versions of
firmware as i have heard no compelling reason to move that way. one can not
easily undo the modification to accept 2.x firmware.
i have copies of firmware 1.358-1.372 as well as 1.373b3 and 1.373b5. i run
the latter two on my Orions.
so far the problem you note has not stopped me from a good chat or chasing
DX when there is any i can hear.
good luck.
jack
ak7o
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