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Thank you all for your helpful comments. I now have wsjt almost working. I connect CAT and TX and the corresponding levels in W10 are 100%. My RX level is about 22, just adequate, I think. However when transmitting Tune or TX enable I see no output on my sa. In stand alone cw mode it works perfectly. WSJT does not report errors when a command is send to the DUO. Pwr is set to max. What can be the problem? F= 50.3 MHz. I intend to use the DUO at 144 MHz to drive my microwave transverters for EME.
I ordered a third usb cable just to be sure.....
Hope you guys can give me some hints. Very much appreciated!
Best 73 de
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Op 17 sep. 2019 om 01:19 heeft Michael Boudreaux <@vk3xz> het volgende geschreven:
I also find that I get Rig Cat failures if all 3 usb's are connected. I leave receive disconnected because of this. possible ground loop on computer usb. works fine with only 2 CAT and TX 73 Mike vk3xz
On 17/09/2019 08:58, Antony Watts via Groups.Io wrote:
I find all you need is CAT and TX USB connections for digital.
In fact I can run two Macs, one with CAT & TX connected and using WSJT for digital, the other with RX connected and running W10 & FDM-SW2.
So for FDM-SW2 you only need RX connected, to get the mode, filter, etc and 4 x RX frequency control. Mic provides PTT. And for WSJT you need CAT & TX connected for two way audio and CAT control.
On 16 Sep 2019, at 19:25, Neil Smith G4DBN <neil@...> wrote:
You need the CAT port for control and PTT, the receive port to send the receive stream from the DO to the PC FDM-DUO audio device and the transmit port to send the tones from WSJT to the FDM-DUO input audio device, so yes, you need all three. I run the RX port on a motherboard USB2 port, and the CAT and TX on a shared hub on another port. Seems to work OK.
On 16/09/2019 14:11, Harke Smits via Groups.Io wrote:
Recently acquired a FDM-DUO and still in the learning curve with respect to hw and sw. I am puzzled by the number of USB ports. Do I need to connect all three to my pc when when operating WSJT?
Maybe the answer is obvious and somewhere here at the forum or in the doc but I could not find it (quickly).
Best 73 de