K3 beta-test firmware revision 4.36 (with DSP rev. 2.73) is now
available. See release notes below.
Please send any questions to k3supp...@elecraft.com. For instructions
on how to load beta firmware, see:
http://www.elecraft.com/K3/k3_software.htm
73,
Wayne
N6KR
* * *
MCU 4.36 / DSP 2.73, 4-20-2011
* SUPPORT FOR KPA500 BAND CHANGE, FAULT/STATUS, and POWER CONTROL.
* QRQ CW AUTO-OFF ON SPLIT/RIT/XIT: QRQ CW is now
automatically turned off whenever you turn on SPLIT, RIT, or XIT.
You’ll see "QRQ OFF" flashed on VFO B. QRQ mode is restored if
you turn these off. (For QRQ CW details, see Rev. 4.03 notes.)
* REVERSE (REV) FOR FM/REPEAT IS PERMANENT: Pressing
REV when in FM mode with a repeater offset (+/-) selected now
permanently swaps RX/TX frequencies and reverses the repeater
offset direction. You do not have to continue to hold the REV switch.
* 2-METER MODULE “S9” METER LEVEL ADJUSTED: The “S9”
level on the K3’s S-meter now occurs with an input signal level of
-93 dBm when the K144XV is selected. (This is a recognized
standard on bands from 2 meters up. On other bands, “S9” still
occurs at -73 dBm.) Notes: (1) The K3’s S-meter may not go all the
way to S0 on this band because of the high preamp gain on the
K144XV module. (2) If you have SMTR MD set to NOR, the S-meter
reading will vary with the settings of the PRE and ATTN controls.
* FRONT PANEL MIC PREAMP GAIN CONTROL: The front panel
mic preamp has a high-gain setting that is now accessible. (This is
independent the present “mic boost” DSP function.) If you use a
low-output mic element, you may benefit from the high-gain setting.
It should not be used with normal-level mics, as gain may be excessive.
In MIC SEL (MAIN menu), use VFO A to select the front-panel
mic (FP), then tap ‘7’ on the keypad to select high preamp gain.
A “high bar” symbol will appear to the right of the mic boost
character (L or H). As a reminder, DSP mic boost (H, or Hi) can be
turned on/off by tapping ‘1’ on the keypad. Bias is controlled by ‘2’.
* EXTERNAL 10-MHZ REFERENCE SUPPORT (K3EXREF).
Remote-Control/Switch Macro Command Changes:
* "AP" COMMAND TURNS APF ON/OFF: You can turn the CW
audio peaking filter on/off by sending “AP1;” or “AP0;”, respectively.
Applies only in CW mode with CONFIG:DUAL PB set to APF. (Not
yet available for direct sub receiver control. Swap VFOs or do A>B
copy in order to set up sub receiver APF.) You can use this
command to create a TAP function to turn APF on/off; use the Help
function in K3 Utility for details on macros.
* "BG" COMMAND USEABLE IN TX MODE: Reads PWR or ALC
depending on METER setting. Note: In RX mode, BG returns up
to 21 with CWT off, but only up to 09 with CWT on. Also, at
present there is no way to read CWT, SWR, or CMP.
* CHANNEL HOPPING CANCELLED ON FA/FB BAND CHANGE.
* UP & DN REMOTE COMMANDS NOW UPDATE P3.
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