We've released a new revision of K3 firmware (both MCU and DSP). Please
see the release notes below. There's also a new revision of the K3
Utility program. Let me know if you have any questions.
73,
Wayne
N6KR
* * *
MCU 1.58 and DSP 1.48, 1-9-08
NEW 100- AND 50-Hz DSP FILTERS: We've completed the addition of
high-performance
100- and 50-Hz "FIR" (finite impulse response) DSP filters. These are
flatter than the
original "IIR" (infinite impulse response) filters, and exhibit less
ringing, which is especially
noticeable in the presence of high noise. Some operators may prefer the
original filters,
which have a slightly different sound. To switch between IIR (old) and
FIR (new), tap '7'
on the keypad when you're in any filter setup menu entry (e.g.,
CONFIG:FLx BW).
To use the FIR (new) filters, tap '7' until you see "IIR OFF". This is
now the default for
newly-shipped K3s.
Spaces (' ') no longer dropped from RTTY output when using CW-to-RTTY
message buffers.
FSK tone pair 1415/1585 Hz changed to 1445/1615 Hz to match available
software.
1415/1585 was incorrect.
AUTOINF ("Auto Info") menu entry added, in the CONFIG menu (set TECH MD
to ON):
This can be used to send band and frequency data to an attached device
such
as an antenna controller via the K3's serial port. The default is NOR,
which
doesn't send anything. If you set it to AUTO 1, any change in the K3's
VFO frequency
or band will send an "IF" (info) response at the K3's present RS232
baud rate.
The commands are sent no more than once per second. PC software
applications can always
override the K3's power-up Auto-Info mode. NOTE: Some PC software may
be incompatible
with the AUTO 1 setting of AUTOINF because they already control the
autoinfo mode.
---
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