This can happen with an Icom transceiver when Transceive mode is turned on in the radio menus or may be due to some other communication problem.
#MACLOGGERDX RADIO SERIAL#
If you experience random keydowns they may be caused by MacLoggerDX closing and re-openning the serial port due to a communications problem with the radio. On the radios that support radio generation of CW, the Radio or mH WinKey CW checkbox selects that option - preference will be given to the USB Keyer if connected. The Type Ahead check box supports immediate transmission of typing or buffering of the cw message until a carriage return is entered or the CW button is pressed. This is optional for CW - depending on your configuration and radio, but required for the Speech or Canned Voice keyers. The PTT: check boxes also optionally allow the keying of the PTT for the duration of the transmission using the DTR, RTS lines or a software command if the radio supports such a command. On most radios selecting DTR for CW will be sufficient. Care must be taken to select a line that will not interfere with radio communication on the serial port. You will need to build an interface from the serial port to the radio's CW key jack, or use one of the commercially available ones like the USB interfaces from microHAM. Note: This dialog is disabled if you are not connected to a radio or are running under OS 9. This dialog allows you to send CW by toggling the DTR, RTS line or both on the radio serial port or by sending the text to a radio that can generate CW, or an attached microHAM USB CW Keyer. Integrated CW & Voice Keyer Dialog Index Integrated CW and Voice Keyer Dialog
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