to get to their Help file either hit F1, or tselect Online Helo from the
drop down Help menu
from the WSJTX Online Help
http://www.physics.princeton.edu/pulsar/K1JT/wsjtx-doc/wsjtx-main-toc2.html#TUT_MAIN
under Transceiver Setup:
Bandwidth and Frequency Setting
Many SSB transceivers have a fixed-width Tx filter that will not pass
audio frequencies higher than about 2700 Hz. WSJT-X takes care of this
by offering a Split Tx mode, receiving with VFO A and transmitting with
VFO B. Under CAT control WSJT-X offsets the Tx dial frequency (VFO B) in
500 Hz steps, adjusting the generated audio frequency so that it always
falls in the range 1500 – 2000 Hz. With CAT and Split Tx enabled on the
configuration screen and your transceiver set to Split mode, this
frequency control will be handled automatically.
If your transceiver has only a standard SSB filter you won’t be able to
use more than about 2.7 kHz bandwidth. You can still have all of the JT9
sub-band and part of the JT65 sub-band available on screen, however. On
20m, say, set dial frequency (VFO A) to 14.0774 and the JT9 nnnn JT65
dividing line at 1600 Hz. JT9 signals in their conventional sub-band
will then appear at 1600 – 2600 Hz, while JT65 signals will be below
1000 Hz. Of course, you might prefer to concentrate on one mode at a
time, setting your dial frequency to (say) 14.076 for JT65 and 14.078
for JT9. Present conventions have the nominal JT9 dial frequency 2 kHz
higher than the JT65 dial frequency, and the checkbox labeled +2 kHz,
just below the Band selector, makes the appropriate settings easy.
On 5/15/2014 12:33 PM, Larry Lopez wrote:
Thank you for helping.
I have set K3 to split, the TX arrow points down.
I have set WSJTX for Split in the configuration check box.
I have no controller, WSJTX talks to K3 directly
using elecraft USB serial cable (from elecraft elivered Monday).
WSJTX cat control gets and sets frequency correclty on main vfo.
but I don't see anything happening on VFO B frequency when I select
3 K Hz.
Larry
--
GB & 73
K5OAI
Sam Morgan
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