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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