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Well....I have some exciting news. :D I found an old Radio Shack USB to Serial Cable and decided to give it a try. I gave up on the 20-047 USB programming cable. I know many others have had much luck with this cable but it just would not play nice with my MacBook Pro and 746Pro. I first found driver...

Here's the latest.... I can see that I can read the first 11 memories before the communication fails. It seems like the Mac is too fast. I can see the send and receive data on the USB unit flash and then quit after a couple seconds. I have unchecked "Enable DTR" "Set RTS Line:" &...

I am making progress..... I have unchecked "Enable DTR" "Set RTS Line:" "Set DTR Line" This allows me to read memories from the radio. I can do so in either 9600 or 19200 baud. I am unable to write yet. I have the slider all the way to the right. Any ideas for "wri...

Hmm, sounds not good. Do you have an interface driver for your Mac? Running RUMtrol on a Mac is much less complicated. You could try the standart FTDI Mac driver: http://www.ftdichip.com/Drivers/VCP.htm Okay. I have switched to my MacBook Pro. The interface I'm using is the RadioShack 20-047 Progra...

Since posting I actually went to Radio Shack and purchased the Item 20-047 USB programming cable.http://www.radioshack.com/product/index.jsp?productId=2177609 I did see a few posts in here where users have had much satisfaction using this cable with Rumtrol. I have tried this cable on both my PC and...

I am hoping you can help me with writing memories to a 746 Pro. I am able to read memories but I cannot write. Let me correct that....I was able to write once but not again since. This has been all in the same sitting. (3 hours) Running Version 2.0.2 Windows XP 3.19 GHz w/ 1GB Ram Rumtrol Settings S...