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Icom 9700 via USB only


 

Has anyone been able to successfully use D-RATS with the 9700 using just a USB cable? I'm able to get the radio to TX when I start D-RATS, but it TXs multiple times non-stop until it eventually stops. After it stops, I try sending a message in chat, but nothing happens.

Any ideas on what I'm doing wrong?

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Someone posted the following in another thread. I've tried these settings, but no luck other than the radio TXing multiple times when starting D-RATS

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- Go to menu -> Set -> Connenctors -> USB(B)/Datafunctions:

??? ??? > Set USB (B) function to DV data

??? ??? > Set DATA function to DV Data

??? ??? > Set GPS Out to OFF

??? ??? > check DV Data/GPS Out Baud Rate to be as you would like to use (9600 is a good choice)

- Go to menu -> GPS

??? ??? > Set GPS TX Mode to OFF

- Go to menu -> Set -> DV/DD Set

??? ??? > Set DV Data TX to Auto

??? ??? > Depending on your partners, you may need to switch DV Fast Data off...


 

I had the same issue with my 7100 via USB. I called Icom and got a guy who knew the whole story. The USB cable sends out serial in packet format, so it sends it in bursts of data. A short "chat" line can take 3-4 keys of transmit. The data cable (I use orange RT Systems) sends a continuous serial data stream. Makes sense and those have been my results. I do not have this issue with bluetooth, FWIW. On either my 5100 or my 4100. Works exactly like the data cable.?