[ct-user] Keying from High IRQ COM Port?

[Tyler Stewart" <k3mm@ex-pressnet.com (Tyler Stewart)]

It's much wiser to use an LPT port for PTT and Cw Keying.
These are output-only funtions and easily handled by the printer port lines.

Reserve COM ports for I/O functions:  Packet modems, Mice, Radios, COM port
networks, dial-up modems, etc.

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