Changelog
Elecraft firmware changelog
306 releases tracked, newest first.
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KX3
v2.15v2.16PL tone deviation corrected (recalibration needed) and antenna jack now outputs optional +5VDC for transverters. -
KX3
v2.13v2.15CW-in-SSB respects QSK delay with external keying, 2-meter entry from other bands, and TX power restored on limited bands. -
KX3
v2.11v2.12Improved 40-meter transmit image suppression by fixing 40-m band-pass filter in transmit. -
KX3
v2.10v2.11New FAST MESSAGE PLAY mode allows quick message access via BAND+/BAND- switches with MSG button long-hold. -
K3S
v4.83v4.86Rear headphone jack switch logic inverted; reconfigure if speaker audio is missing. -
KX3
v2.06v2.08KXPA100 power control improved; transient fault diagnostics and PX3 Panadapter support added. -
KX3
v2.05v2.06Adds 1750-Hz tone burst for EU repeaters with adjustable deviation range. -
KX3
v2.04v2.052M/4M menu now has toggle for TX temperature sensing, defaulting to enabled. -
KX3
v2.03v2.04Temperature sensing now works only in receive mode as temporary fix for transmit-mode accuracy issues. -
KX3
v2.02v2.03Transmit monitoring checks supply current, PA temperature, SWR, and drive, rolling back power or stopping transmit if out of range. -
KX3
v2.01v2.02Faster 2-M excess drive reduction, tripled temp/RF switching settling time, and XVn offset applied. -
KX3
v1.96v2.01Adds 70 MHz band support via KX3-4M module, reduces receive power drain by up to 50%, improves KXPA100 amplifier control. -
KX3
v1.95v1.96Power control now limits to match export-configured KXPA100 amplifier settings. -
KX3
v1.94v1.95Added TX RF delay adjustment for amplifiers and fixed power spike with KXPA100. -
KAT500
v1.65v1.67Tuner finds better solutions by resisting transient SWR dips; Icom AH-4 behavior improved -
KX3
v1.93v1.94Fixed low power output in 8.5-9.5 MHz band, enabling normal ATU operation. -
KX3
v1.91v1.93KXPA100 power control smooth across 10-11 watts, AF limiter now functional. -
KPA500
v1.37v1.38Operation without BAND lines now supported for K3/BCD radio modes. -
K3S
v4.81v4.83KAT500 automatic retuning and FSK-D transmit power control fixes. -
KAT500
v1.54v1.55Enables memory recall tuning via VFO tracking and adds antenna control command. -
KAT500
v1.42v1.54Reduced SWR threshold to 3:1, improved frequency counter stability, added High SWR fault and Cancel Tune command -
KPA500
v1.36v1.37Fixed serial command handling during startup and shutdown to prevent unusual behavior. -
KX3
v1.87v1.912-meter power output limited to 3.0W maximum with automatic reduction based on SWR or current. -
K3S
v4.77v4.80RTTY baud rate now global; fixed macro bugs and FSK-D communication issues. -
KPA500
v1.33v1.36Fixed parameter saving from serial commands and HI REFL Fault bug; added fan speed command. -
KX3
v1.81v1.84New AM broadcast band receive optimization option for improved sensitivity with KXAT3 ATU installed. -
K3S
v4.76v4.77RS232 data handling fixed during band changes. -
K3S
v4.74v4.76Now reports remote control errors when buffer overflow occurs from rapid polling. -
KX3
v1.79v1.81Added Heil HC-6 microphone element support with higher mic gain capability. -
KX3
v1.76v1.79TX GAIN displays KXPA100 drive power for 75W; per-band calibration improved. -
KX3
v1.74v1.76Improves power output accuracy and adds 75-W calibration mode with KXPA100 support. -
K3S
v4.73v4.74Bandwidth, diversity, and sub commands blocked during transmission to prevent errors; Remote Rig fixes. -
K3S
v4.67v4.73RIT can now be toggled during transmission, crystal filter offset adjustable in CW. -
KX3
v1.73v1.74100-watt RF power scale now correctly restored after ATU TUNE with KXAT100. -
KX3
v1.72v1.73Adds DTMF tone generation in FM mode and removes KXPA100 fault limit overrides. -
KX3
v1.65v1.68Fixed SSB low power output and improved KXPA100 external amplifier controls. -
KX3
v1.61v1.65Fixed MIC GAIN control behavior when switching from CW-in-SSB to audio data modes.