From: [email protected] <[email protected]> on behalf of Howard Z <HowardZ@...>
Sent: Tuesday, November 21, 2017 7:37 PM
To: [email protected]
Subject: Re: [N3ZHSoftware] MT63 Testing

Rene,

There are two ways to do PTT.
One is via a COM Port's RTS/DTR pins, the other is via a command sent out on a COM port to the radio? called CAT PTT.

In HRI settings, DigitalModes Tab, You should uncheck "Enable RTS/DTR PTT" to use the CAT PTT.