K3 MCU firmware rev. 2.38 (and DSP firmware rev 1.90) is now officially a regular production release. We encourage all K3 owners to download this revision.

Many important changes and additions have been made since the last production release (2.02). Here are some highlights:

   * Complete sub receiver support, including new DIVERSITY mode
   * ESSB (Extended Single Sideband) transmit
   * 10 HZ CW sidetone increments
   * More accurate transmit power control and LSB/USB equalization
   * Many changes to the user interface to simplify or clarify operation
   * Signal processing improvements (DSP filter centering, etc.)
   * Power-up KEY/PTT lockout for safer interoperation with other gear
   * Many new or improved commands for computer-control applications
   * Simplified firmware load process

Be sure to use revision 1.1.6.3 or later of our K3 Utility application to download the firmware. For instructions, see:

  http://www.elecraft.com/K3/k3_software.htm

Please send any problem reports to [EMAIL PROTECTED] We'll respond very quickly (as in tonight :) if anything comes up.

73 from the entire K3 firmware/software development team:

  Brian, W6FVI (manufacturing test)
  Dick, K6KR (PC applications)
  David, W4SMT (Mac & Linux applications)
  Lyle, KK7P (DSP)
  Wayne, N6KR (MCU)


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http://www.elecraft.com



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