(3) If you use USB or LSB for audio DATA modes such as PACTOR that require fast turnaround times, you should not use the 100 Hz SSB setting, because it slows turnaround by about 20 milliseconds. (2) In addition to using this new SSB setting, you can control the transmit passband in all modes using TX EQ. IMPORTANT NOTES: (1) The 100 Hz selection is *always* applied in ESSB mode. (Amplitude at 100 Hz then increases by nearly 20 dB.) This selection is made using the new "TX Audio LF Cutoff, SSB" menu entry. SSB/ESSB TRANSMIT AUDIO LOW-FREQUENCY RESPONSE IMPROVED: The nominal SSB transmit audio low-frequency rolloff can now be moved down from about 200 Hz to 100 Hz. KPA1500 Firmware (2.58) November 2, 2021Ĭurrent K4 Production Software Release Notes.K4 BETA Software (Release 28) January 5, 2022.K4 Software (Release 28) January 24, 2022.K4 BETA Software (Release 29) Removed April 19, 2022.K4 BETA Software (Release 30) May 16, 2022.K4 BETA Software (Release 30/Beta2) June 1, 2022.K4 BETA Software (Release 30/Beta4) June 14, 2022.K4 BETA Software (Release R31/Beta2) October 11, 2022.K4 BETA Software (Release R31/Beta3) October 24, 2022.K4 Software (Release R31) November 2, 2022.K4 BETA Software (Release R32/Beta2) December 5, 2022.K4 Software (Release R32) December 13, 2022.Not all products are subject to a regular update.) (Not all operating system utilities are updated at the same time. 2021) Updates and Download/Config Utility: Shipping Box Sets (Item return for Servicing)įor firmware that is not downloadable, please see the Non-Downloadable Firmware section on the Quick Order page.Accessories (Speaker, Mics, Power Supply, Compact Cases, K-Pod).K4 Accessories/Options - For current K4 owners.Shipments based on Order Date, not by Deposits
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