KX3 production firmware rev 0.97 (with DSP rev 0.84) is now available.
It corrects a problem in the power-on/off sequence that could
inadvertenly modify EEPROM locations (that is, operating parameters).
It has other significant improvements as well. See recent release
notes below.
Please install this release on your KX3 as soon as possible.
You'll need our KX3 Utility application to download and install
firmware. For full instructions, refer to our KX3 software page:
http://www.elecraft.com/KX3/KX3_software.htmThanks,
Wayne
N6KR
* * *
MCU 0.97 / DSP 0.84, 4-23-2012
* EEPROM DATA INTEGRITY IMPROVED: Previously, in rare cases one or
more EEPROM locations could be modified during power-on/off cycling.
Symptoms included “ERR TXC” or “ERR TXS” messages, AGC turned off, etc.
* REDUCED AUDIO KEYING ARTIFACTS in CW mode. This allows the use of
"full-break-in" keying (QSK). The QSK icon will turn on when DLY is
set to 0.00 in CW mode.
* CW KEYER TEST/PRACTICE IMPROVEMENT: In CW mode, turning VOX OFF
(i.e., selecting PTT CW) allows CW keyer testing or practice without
transmitting a signal. Previously, current drain would still increase
because PA bias was being turned on. Bias is now turned off in this
case.
* REDUCED VFO TUNING NOISE. Make sure VFO NR menu entry is set to ON.
This menu entry now applies to ALL bands.
* ACC2 IO menu entry now has both LO=PTT and HI=PTT options. The
latter setting could be used with a computer’s RTS line (RS232 levels)
to allow remote transmit control of the KX3. A 2.2 K or higher current-
limiting resistor should be used in series with the ACC2 jack’s GPIO
line in this case.
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