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3) The tab with individual CVs seems like it may be a little flakey,
but no real proof yet.

Others will want to confirm, but here's what I found. I tried this
with two different locos, one with Soundtraxx and one with Digitrax.
Exactly same behavior of the CV tab.

Here's what I found:

An acceleration value of 4 was written to the loco from the Motor tab
and confirmed by performance. It was changed to 10 and confirmed.
Then I went to the CV tab and noted that 10 was listed for CV3. On
this CV tab, I changed the entry to 4, pressed Write and the number
changed to 0, confirmed by loco performance. Then I changed the 0 to
a 4 and wrote again. The number remained 0 and so did performance. I
had to go back to the Motor tab to write the 4 back into the decoder.
The CV tab then reflected the 4 as did the loco.

I tested this on both locos and with various CVs. The CV tab seems
broken in some way. BTW, my Single CV programmer works fine.

Anybody else?

Aloha,
Jim

There are certain cases on certain panes where one button seems to be an
indicator and the other functional. The AD4 general pane works this way on
one of the numbers. I have not tested the one you are talking about.
Try this test. Program using the motor tab for those items. Then close
DecoderPro and open it back up again. Then use the CV tab and see what
happens. If it stay the same as you have previously noted then we may have
a bug.

Try this test. Program using the motor tab for those items.
Then close
DecoderPro and open it back up again. Then use the CV tab and see what
happens. If it stay the same as you have previously noted then
we may have
a bug.

Jon...

I performed the above test.

Along the way, I discovered something by accident. After you enter a new
value in the Value column, you click next door on the State column (which
might say "From File" or "Stored") and it changes to "Edited". The good
news: by doing this then clicking the Write button, the Value column now
keeps the new value. The bad news: both the loco performance and the Motor
tab now reflect zero. Closing and opening DecoderPro made no difference at
any point along the way. No matter what I do or how I do it, this tab seems
to only write zeroes. BTW, this was the third type of decoder I tried, so I
think it's not related to any specific programmer.

Aloha,
Jim

Jon...

Another clue might be one other thing I just discovered. The Write All
button on the CVs tab doesn't do anything, whether I change one or more of
the CVs on the tab or not.

Aloha,
Jim