utility rev. shows 1.1.4.8 why? Thanks,
MARK --- On Sat, 5/3/08, wayne burdick <[EMAIL PROTECTED]> wrote: > From: wayne burdick <[EMAIL PROTECTED]> > Subject: [Elecraft] K3 FIRMWARE UPDATE: MCU 1.87, DSP 1.69 (Finally!) > To: "Elecraft Reflector" <[email protected]> > Date: Saturday, May 3, 2008, 5:29 PM > We've just completed the most extensive K3 firmware > update ever. The > full list of changes is provided below. > > *** NOTE *** You must use the latest version of our > firmware loader > (K3 Utility rev 1.1.4.1) or else you won't be able to > load all > components of the upgrade. It's available on our K3 > software page, > along with release notes: > > http://www.elecraft.com/K3/k3_software.htm > > As usual, if you have any difficulty with the firmware > upgrade, send > email to [EMAIL PROTECTED] Both Lyle, KK7P (DSP > firmware) and > myself (MCU firmware) will be closely monitoring your > results in case > further tweaking is required. > > I'd also like to thank all of our K3 customers for > their patience. This > firmware release was delayed several times due to testing, > engineering > staff vacations, etc. Our field testers have been pounding > on interim > releases for weeks (thanks, guys). I hope you'll find > it worth the > wait! > > 73, > Wayne, N6KR > > * * * > > MCU 1.87 / DSP 1.69, 5-3-08 > > This release includes improvements in all areas. Changes > are > categorized below. > > NEW FEATURES: > > * CW KEYING IN SSB MODES: While in SSB modes, you can > now send CW > without > changing modes or using an offset. The other station > will hear the > signal at your CW pitch. > This is especially useful on VHF bands when SSB > signals can’t be > copied. > To enable this feature, go into CONFIG:CW WGHT and tap > ‘1’ until > you see SSB +CW. > > * FM MODE ADDED: Requires FM filter installed in slot > FL1. Those not > needing > FM mode can set CONFIG:FM MODE to OFF. To set up a > repeater offset: > Use the > CONFIG:RPT OFS menu entry, then hold ALT to select > -/+/simplex (-/+ > appear under > the FM mode icon). To set up tone encode: hold PITCH, > then rotate > VFO B to select > PL TONE or PL OFF, and rotate VFO A to select the > desired CTCSS > tone. (When > PL TONE is on, a letter ‘T’ will appear near the > FM mode icon.) > Repeater offsets and > PL tones are stored per-band/per-memory. > > * VARIABLE AMP KEYING DELAY: Added CONFIG:TX DLY menu > entry, which > sets the time from KEY OUT jack (active low) to first > RF in 1-ms > steps, from 8 to 20 ms. > To minimize loss of QSK speed, use the shortest delay > that works > with your amp. > Most will work with the default (minimum) setting of 8 > ms. > > * LINE OUT ALLOWS RX/TX AUDIO RECORDING: Normally, > CONFIG:LIN OUT > sets a > fixed-level, receive-only output for main/sub (L/R), > compatible > with digital modes. Tapping > '1' switches LIN OUT to =PHONES, where the > line outputs match > headphone audio, > audio level controlled by AF/SUB gain controls, and > both RX and TX > audio available. > > * SIMULTANEOUS USE OF MIC AND LINE IN: If the > MAIN:MIC+LIN menu > entry is set to > ON, and MIC SEL = FP or RP, the present mic OR line in > can be used > for transmit audio. > NOTE: Setting MIC SEL to LINE overrides the MIC+LIN > menu entry (its > parameter > becomes "N-A"). When MIC+LIN is in effect, > rotating the MIC > control shows MIC GAIN. > The op has to set MIC SEL to LINE temporarily to set > LINE IN gain. > > * S-METER ABSOLUTE MODE: Use the CONFIG:SMTR MD menu > entry. Set to ABS > (absolute) to have S-meter stay constant with > preamp/atten > settings. Default is NOR (where > PRE/ATTN affect the S-meter). ABS mode requires > recalibration (SMTR > OF & SMTR SC). > > RECEIVE: > > * SSB RECEIVE PASSBAND EXTENDED AT LOW END (now 100 Hz; > was 200 Hz). > > * AM RECEIVE WIDTH RANGE INCREASED: The WIDTH control > in AM mode now > has > a range of 2.8 to 10.0 kHz. Wider settings provide > outstanding > fidelity for hi-fi speech > and other wide-band signals. This is the *IF* filter > bandwidth -- > the traditional way to show > bandwidth for AM, because the required IF bandwidth is > twice the > modulation bandwidth. > NORM selects an IF bandwidth of 6.0 kHz in this mode. > WIDTH > settings above 6.0 kHz > will not be useful unless you have an FM-bandwidth > crystal filter > installed (at FL1). > > * IF A 2.8 KHZ FILTER IS INSTALLED, SSB "NORM" > BW is 2.8 kHz (was > fixed at 2.7 kHz). > > * AUTO-SPOT (SPOT with CWT ON) now works with both very > weak and very > strong signals. > > * PSK AUTOTUNE ACCURACY improved. You may still need to > use RIT (FINE > steps) to > tune in signals for best built-in text decode. (Also > see CW-to-DATA > in the Owner’s Manual.) > > TRANSMIT: > > * TRANSVERTER POWER CONTROL: The value set in CONFIG:XVn > PWR now > correctly > sets a fixed power level on the associated transverter > band (0-1.50 > mW or 0-12W). > > * POWER ROLLBACK BASED ON REFLECTED POWER: Power > rollback begins at > about > 2.5:1 at 100 W (and of course much higher SWRs are > tolerated at > lower power settings). > Recovers to original target power level after mismatch > is corrected. > > * CW QSK further refined, with smoother mute/unmute in > the presence > of QRN and QRM. > > * SSB TRANSMIT BANDPASS EXTENDED AT LOW END. Improvement > is about 2 dB > at 300 Hz, 3 dB at 200 Hz, and 6 dB at 100 Hz. > Additional > improvement possible via TX EQ. > > * SSB TX POWER CONTROL improved. Set ALC for about 5 > bars (rarely 6+) > using MIC gain > control, then set CMP and POWER as desired. The RF > power bargraph > shows approx. > peak power when you whistle or shout, but will > typically show well > below peak power > during normal speech. If you’re using an external > peak-reading > wattmeter or power > amplifier, adjust POWER as required while observing > the effect of > speech peaks. > If you find that an SSB power setting higher or lower > than for CW > is often required, > you may wish to compensate for this using the > CONFIG:TXG VCE menu > entry. > > Technical Note: Our latest MCU and DSP code uses > minimal amounts of > ALC, consistent > with analysis done by Leif Asbrink, SM5BSZ. (His > findings and > recommendations can be > found on his web site, www.nitehawk.com/sm5bsz.) The > general idea > is to keep > transmit drive just below where ALC can cause splatter > on speech > peaks, rather than > apply ALC heavily to achieve additional compression. > > CONTROLS: > > * A->B SWITCH: 1st tap copies frequency only; 2nd tap > within 2 > seconds copies mode > and filter settings. > > * VFO LOCK is no longer cancelled by VFO tuning controls > (RATE, FINE, > or COARSE). > > * TUNING EITHER VFO ACROSS MULTIPLE BANDS now brings the > other VFO > along > with it, so that both VFOs will always be on the same > band. This > eliminates the problem > of bands getting out of sequence due to wide tuning > excursions. > (Later, we’ll allow the > subreceiver to be on a different band from main if > CONFIG:VFO IND > is enabled.) > > > --- > > http://www.elecraft.com > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

