Re[6]: [Icom] r7000 ci-v troubleshooting

[John Blue]

DA> OK. Lets take this step by step.

DA> To what baud rate and wordlength is your R7000 set?

DA> How does your Deltacomm interface obtain power? Is it connected to a power
DA> supply, or does it expect power via a serial port's modem control signals?

DA> Does your R7000 have a "CI-V Transceive setting"? If so, enable it.

DA> Run Commander, set its serial port parameters to match those of the R7000,
DA> and if the Deltacomm needs power from a modem control signal configure
DA> Commander to provide it by setting that modem control signal to "always on".

DA> Examine the CI-V bus with your scope probe; if you don't see 5 vdc, there's
DA> a problem, and you should stop.

DA> If your R7000 has a "CI-V Transceive setting, set Commander to capture
DA> messages, and move the R7000's tuning dial. Do any messages appear in
DA> Commander's window? If so, please save them to a file attached to an email
DA> message to me. If not, do you see any activity on the scope (set the scope's
DA> horizontal timing to show 10 bits worth of serial port data at the
DA> appropriate baud rate; 9600 baud, for example, is ~100 us per bit, so you'd
DA> want a 1ms sweep time which is a 1khz sweep frequency, triggered on a
DA> downward signal transition).

DA> Click Commander's "Interrogate Radio Freq" button a few times -- does your
DA> scope reveal activity on the CI-V bus?

Dave,

This is really good stuff!  Tons of thanks.  I need to take care of
some other things right now .. I'll post results sometime next week.

John