[Elecraft] K3 FIRMWARE UPDATE REQUIRED if you have an Elecraft 2.7 kHz crystal filter

[wayne burdick]

If you have already received your K3, you'll need to update your 
firmware in order to use our 5-pole, 2.7-kHz crystal filter. Older 
firmware doesn't set up the correct passband during transmit in SSB 
modes, and also doesn't allow DSP bandwidth settings below 350 Hz in 
receive mode.

To obtain K3 firmware updates, you'll need our K3 Utility program, 
which can be found at:

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

Instructions are provided in the program itself. Just click on the 
"Help" tab.

Even though we'll be announcing all future K3 firmware updates, you may 
wish to select "Check Versions Every 6 Hours" in the "Firmware" panel 
of the utility program. The program will then notify you automatically 
if a new revision is available.

73,
Wayne
N6KR

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