KE9UW answered my question by reference to Cady’s book.  If you do not have a 
DVR just go to the CW mode and the clear button presses work correctly.

CW mode, REC - M1 - REC, and M1 is cleared.

Thanks Chuck!

Michael Blake <>

> On Apr 14, 2018, at 5:04 PM, Don Wilhelm <> wrote:
> Michael,
> If you have no DVR messages recorded, there should be nothing in the M1-M4 
> message memories for voice modes - if there is, whatever is stored is of no 
> use and can be ignored (no need to clear them).  You can still record CW 
> messages for CW and DATA modes if you switch to that mode. Or, you can use 
> the CW message entries available in K3 Utility.  If recording for possible 
> use with DATA modes, put a "|" character at the end of the text.  It will be 
> ignored for CW, but on DATA modes it will cause an immediate return the 
> receive without a 4 second "diddle" time.
> You may use K3 Utility to store CW and DATA mode messages if your CW keying 
> is not perfect.
> The M1-M4 buttons can also be used for frequency, mode, etc. storage and 
> retrieved with a M>V button then a tap on the M1-M4 button.
> I use the M1 button to store a frequency and mode for CW in the middle of the 
> CW band segment, M2 for a frequency in the SSB band segment and M3 for a 
> frequency in the DATA mode segment.  I reserve M4 for a frequency I run 
> across while scanning the band and record any frequency I want to return to 
> quickly.  Those are per band memory buttons.
> The frequency, mode M1-M4 buttons do not interfere with the use of the 
> buttons for retrieving message storage.
> 73,
> Don W3FPR
> On 4/14/2018 4:35 PM, Michael Blake wrote:
>> I do not have the DVR option in my K3s but have used two of the buttons, M1 
>> & M2, as programmable macro buttons.  I would like to clear these buttons 
>> but have not found a way to do so.

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