I can't find 2.57 on the beta site (just 2.46). Was it removed, or am I having a browser refresh problem? - 73, John, W0JFR
wayne burdick wrote: > > K3 beta-test firmware revision 2.57 (with DSP rev 1.94) is now > available. > > This is a major release. Some recent changes have had only limited > testing, but we wanted to get it out in time for this weekend's > contest. If you have any difficulty, you can easily revert back to the > last production version (2.46). Be sure to use the latest revision of > K3 Utility to do the downloads. > > Please send any problem reports to [EMAIL PROTECTED] For > instructions on how to load beta firmware, please see: > > http://www.elecraft.com/K3/k3_software.htm > > Highlights: > > * SSB power control improved (no jumps in power while rotating the PWR > control during transmit; no upward spike when crossing the 12-W > boundary; SSB drive level not affected by tapping A/B, changing modes, > or doing an ATU TUNE. (NOTE: This doesn't address all issues with voice > peaks; we have further work to do on ALC. Also, a band change or memory > recall still reinitializes the SSB drive level. We're working on that.) > > * SPLIT operation is now possible in diversity mode (requires sub > receiver). There are several user-interface changes related to this; > please review the release notes below carefully. Most noticeably, in > diversity mode VFO A still controls both receivers but the VFO B > frequency remains fully independent. > > * First tap of A>B copies mode, if required (avoids accidental > cross-mode SPLIT) > > * All known issues with CW/DATA message buffers fixed, including lost > characters during chaining > > * Major improvements to CW-to-PSK31 operation -- faster transmit, and > no erroneous characters sent when using the keyer paddle > > * Many new or improved remote-control commands for developers > > Other details appear below. > > 73, > Wayne > N6KR > > * * * > > MCU 2.57, 10-24-2008 > > Major changes and new features: > > * SSB POWER CONTROL IMPROVEMENTS: (1) No jumps in power while > rotating PWR control during transmit. (2) No upward spike when crossing > QRP/QRO boundary. (3) No loss of SSB TX drive level when tapping A/B, > changing modes, or doing an ATU TUNE. (4) These improvements may also > lessen the effect of “spiking” external amplifiers, but further work on > the > ALC routine is planned. > > Note: The SSB drive does still get reinitialized to match the CW level > if you do > a TUNE (this is desirable). This also happens if you change bands or > recall a > memory (that will be fixed in the next release). > > * FIRST A>B TAP COPIES MODE (if VFO A and B modes are different). This > should greatly reduce the chance of having VFO B in the wrong mode when > the operator later goes into SPLIT. (Those who want to do cross-mode > split > can still set up VFO B differently using BSET mode, and should avoid > A>B.) > Once the VFO modes are the same, operation of A>B is the same as before: > A single tap copies only the frequency, while a second tap copies > everything. > > * PSK31 (PSK D MODE) TRANSMIT IMPROVEMENTS: Eliminated > erroneous characters during CW-to-PSK31 transmit when using the keyer > paddle. Also greatly improved PSK31 transmit speed by removing all > extraneous “zeros” from the data stream. > > * MARS operation now possible on 40 m up to 7550 kHz. > > VFO Linking, Sub RX, Diversity Mode, and SPLIT: > > * SPLIT CAN BE USED IN DIVERSITY MODE: During SPLIT, VFO B is only the > transmit frequency. VFO A controls both receivers. So you now have a > choice when using SPLIT with the sub receiver: diversity receive, or > listening to both your > RX (main) and TX (sub) frequencies simultaneously. Also see BSET note > below. > > * VFO A-B LINKING: This is now indicated by slowly flashing the VFO B > kHz > decimal point. > > * A/B and REV CAN NOW BE USED IN DIVERSITY MODE. In both cases, the > VFOs are swapped, allowing you to listen in diversity mode on VFO B’s > frequency. > > * BSET IN DIVERSITY MODE: If you use BSET in diversity mode, you’ll now > hear the main RX in the left ear and sub RX in the right. This is > useful when using SPLIT with diversity, as it allows you to override > diversity mode temporarily and listen to both your RX and TX > frequencies. > > * VFO B NOT LOCKED WHEN LINKED TO VFO A: This means the VFOs can > > be linked but at different frequencies. A fixed offset can be > established using > VFO B, and will be maintained as you tune VFO A. > > * VFOs NOT LINKED IN DIVERSITY MODE: VFO A is used to update both > synthesizers (main and sub), but VFO B is now free to be used as a > SPLIT TX > frequency (see below). In DIVERSITY mode, the VFO A kHz decimal point > slowly flashes, as before. > > Miscellaneous: > > * MESSAGE PLAY FIXES: There were a few issues with CW and DATA message > buffer playback, including occasional truncated characters when > chaining in CW > mode, and inconsistent behavior when chaining. > > * MORE ACCURATE AM-MODE POWER LEVEL. Also slightly higher modulation > percentage. > > * INTERNAL 2-TONE TEST GENERATOR now works with 2.7 as well as 2.8 > kHz crystal filters, and the tones are now correct when used with both > LSB and USB. > > * KEY OUT disabled sooner on power-up: Previously, KEY OUT was active > for > about 3 to 4 seconds on power-up. This has been reduced to under one > second. > In any case, no RF is present during this period. > > For Software Developers (see K3 Programmer’s Reference, rev B14): > > * “DS” (VFO A DISPLAY READ): This command now correctly handles all of > the > RX EQ / TX EQ “mini-bar graph” levels as displayed in the main menu. > The bar > graph level 1 character, if it appears in the “DS” response string, is > now converted to an underscore rather than a semicolon. This preserves > the semicolon as strictly a command terminator. > > * "DT" COMMAND ADDED (VFO A DATA sub-mode read/set). "MD" is > still used to set norm/rev. > > * "IF" COMMAND INCLUDES DATA SUB-MODE ("K31" must be in effect). > > * "IC" COMMAND ADDED (ICON and MISC STATUS): Provides state information > on many functions, including BSET, TX TEST, VFO linking, diversity > mode, sub RX antenna, full/semi QSK, dual-passband CW, dual-tone FSK > filtering, ESSB, nose gate, FM PL tone on/off, etc. > > * “LK$” COMMAND ADDED (VFO B LOCK). > > * “TQ” (TRANSMIT STATUS QUERY) now returns 1 consistently when the K3 > is in > transmit mode. > > * MORE MENU ENTRIES ACCESSIBLE WITH “MP” COMMAND: KAT3, VCO MD, and AGC > THR are now available. See "MN" command table for details. > > * "KY" (keying) remote control command now handles CR, LF, TAB and other > ASCII characters including: [ \ ] ^ _ ` All of these characters > are useful in PSK D mode. They’re ignored in other modes, except that > '_' becomes an > "AA" prosign in CW mode. > > * Prosign mapping (e.g., “=” conversion to “BT”) is now disabled in PSK > D > and FSK D modes. This allows all ASCII characters to be transmitted > normally. > (Prosigns can always be sent using the alphabetic characters themselves > in these modes.) > > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > 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 > > -- View this message in context: http://n2.nabble.com/K3-Beta-firmware-rev.-2.57----SSB-PWR-control%2C-SPLIT-in-diversity-mode%2C-etc.-tp1374044p1376295.html Sent from the Elecraft mailing list archive at Nabble.com. _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net 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