No. The device manager already says "Flow Control: None".

The radio doesn't key until I start reading data from the radio. CHIRP is setting RTS high when it opens the port.

From: "Ken Hansen" ken@n2vip.org To: "chirp users" chirp_users@intrepid.danplanet.com Sent: Sunday, April 9, 2023 9:58:51 PM Subject: Re: [chirp_users] CI-V port flow control RTS on DigiRig

Isn't this something you would set in device manager for the port you are connecting to your radio? Try searching for "device manager", then examine the serial port connected to the radio by right-clicking on it and changing the port settings...

Ken, N2VIP

On Apr 9, 2023, at 20:59, K5CG k5cg@hamoperator.org wrote:

BQ_BEGIN

Hello all,

I am not new to CHIRP but I'm setting up a new laptop and trying to manage memories on a (new to me) IC-7000.

I am using a DigiRig radio interface which has a built in sound card, CI-V port and uses RTS of the same COM port to key PTT.

When CHIRP Next 20230409 reads the radio it asserts RTS on the serial port which keys the transmitter.

RTS nor DTR are needed for CI-V so CHIRP should not assume that the port requires flow control. This should be the default for all CI-V based radios but a pair of checkboxes on the initial READ RADIO dialog to disable either RTS or DTR or both would also solve this issue.

I don't see a configuration dialog where port parameters can be changed.

In the meantime I can disconnect the 13 pin accessory connector on the back of the radio to prevent it from keying.

73 Danny K5CG

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BQ_END

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