Recently, some users have reported problems with
rig control. I've updated SD in an attempt to
fix these problems, and I'd like to invite you
to try the new version and let me know the
results, whether god or bad,
The updated program SD.EXE (V15.59a) may be
downloaded from www.ei5di.com/sd/sdexe.zip
This should be unzipped, to SD.EXE, and it will
replace whatever SD.EXE you currently have in
your SD folder. Before doing this, take a copy
of your present SD.EXE so that you can restore
it if necessary
Here are the details of the changes.
Rig Control:
When enabled, the B40 (and other) band-change
commands did not work if the rig had not
previously been switched to the corresponding
band. Fixed.
POLLTIME and LINKTIME settings: These were
set to fixed values, dependent upon your BPS
setting, each time SD was started. Now,
user-selected values are preserved in SD.INI.
If rig control is not working fully with your
rig, here's what you should try - assuming the
PORTS command has already been used to define
the appropriate COM port and to identify your
rig.
1. Set the BPS to the maximum supported by
your rig - and ensure your rig is set to the
same value (if variable).
2. Set POLLTIME to 1000 and LINKTIME to 800.
Use the STATUS command to confirm the settings.
3. Confirm that rig control is working. If
not, reduce POLLTIME and LINKTIME to see if
this helps. When rig control does work,
reduce LINKTIME until rig control fails.
Then increase LINKTIME by 25% or so, and
confirm that rig control is restored - and
the frequency displays correctly even when
continuously turning the VFO dial.
4. REDUCE POLLTIME until rig control fails,
then increase it by 25% or so and confirm
that rig control is restored. Note that
lower values of POLLTIME make rig-contol
more responsive - in terms of time taken
to update the frequency display.
NOTE: You can use the PT and LT commands to
change the values of POLLTIME and LINKTIME.
Thanks & 73,
Paul EI5DI
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