[elecraft]K3 0181 err TXF

[Bill Tippett]

G3AKF:
 >Can someone help please ?  I get this error message when I go to xmit-tune.

Most likely you have not assigned a 2.7k or 2.8k filter to
CONFIG:FLTX XX where XX is CW or SB.  You must assign for
both modes.

 >I am sure there has been an answer on here, but I can't find it

Yes, here is the result of searching "TXF" in the archives:

http://marc.info/?l=elecraft&w=2&r=1&s=txf&q=b

                                 73,  Bill  W4ZV