My K3 keys up the first time I press the PTT button on the handmic - then the 2nd time I press it, the message reads: ERR TXF
I´ve read the Error Message List in the manual on page 67: ERR TXF Invalid transmit crystal filter bandwidth The crystal filter selected for TX (with CONFIG:FLTX) is either too narrow or too wide. You must specify a filter that is 2.7 or 2.8 kHz wide for CW/DATA/SSB, 6 kHz for AM, and 13.0 kHz for FM). I have the factory supplied 2.7 Khz filter and the 250 Hz CW filter installed I´m not quite sure what that means; could anyone clarify that for me please TIA Vy 73 OZ9MZ Jens
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