Some interesting changes in new released firmware v.1.40 for IC-7300.
https://www.icomjapan.com/data/Firmupdate_IC705_7300_9700_A4.pdf
Although not tested yet here, worth reading.
For more info go to https://www.icomjapan.com/support/firmware_driver/3248/ or https://www.icomjapan.com/support/manual/2188/ and choose 7300 firmware link.
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