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1. #ICOM IC7300 AND FLDIGI SETUP SERIAL#
2. #ICOM IC7300 AND FLDIGI SETUP SOFTWARE#
3. #ICOM IC7300 AND FLDIGI SETUP PC#

So far I have only found one thing that bugs me a bit and it’s not unique to this rig. Its quoted range is 3:1, and certainly on a badly mismatched 4m and 6m antenna it won’t tune them. The internal ATU seems ok, it tuned a 6m HB9CV antenna on 4m, but I have resonant antennas at home so don’t need to exercise the tuner much. I guess after a few hours of RTTY it’s be pretty warm, but the fan seems to be decent and Icom PA modules are usually rated pretty conservatively at 100W output for long periods. A 25 minute RTTY rag-chew at 100W output only raised the temperature of the rig by a couple of notches on the bar graph and the fan didn’t speed up from normal in that time. All the levels were about right from factory default. The rig does have a RTTY decoder in it and can take a keyboard input I think, but Fldigi is more versatile for different modes. I have had one RTTY OSO, on 17m, using Fldigi driving the internal soundcard in the rig and with CAT control.

#ICOM IC7300 AND FLDIGI SETUP SOFTWARE#

My logging software doesn’t have a definition for the IC-7300, but I changed the 7300 hex C-IV address to match the 7100 and the command set works for logging and for Fldigi.

#ICOM IC7300 AND FLDIGI SETUP SERIAL#

CW/FSK and PTT are done by using either RTS or DTR lines so should work with any software that can do those functions over the same serial port as CAT. The serial port allows PTT, CAT and also CW and FSK keying from the PC.

#ICOM IC7300 AND FLDIGI SETUP PC#

I plugged the USB cable (not supplied!) into the shack PC and within moments had a virtual serial port pop up and also a serial soundcard device. There is a mode, called IP+, to optimise the ADC in the presence of strong signals but I haven’t had to use that yet so not sure what difference it makes in practice. The DSP filtering and noise reduction are pretty much the best I’ve heard, they make a big difference and are adjustable. I don’t use this as it takes up screen space that could be a band scope, but a funky feature for setting up the audio settings etc. This works on both RX and TX so you can see your transmitted waveform. There is an audios cope too, both in time and frequency. I also noticed the band scope doesn’t appear to be tuneable to the 5MHz band, even though the UK model is being opened up to transmit there by default from Icom UK. I have mine setup with the band scope filling as much of the screen as it can, but you shrink the scope or turn it off (WHY?!? -)). There are 3 settings here so you can have a whole band, and sub band segments, each with configurable edges. I prefer a fixed tune, so have altered the menu to focus the width of the scope on the CW end of each band. Fixed stare with marker tuning (even by touch!) or a fixed centre that moves the scope with the VFO dial.

Ok, so it’s not an Elecraft P3, but you can see the whole band or any part of. I haven’t had it running in an SSB or CW contest on HF so not sure how good the strong signal handling will be in a crowded band – I have a K3 for that actually – but it is my intention to see how it stacks up in that scenario too.