[Elecraft] K3 FM filter problem

[Don Wilhelm]

Chris,

I don't have the FM filter here, but as I recall, the filter bandwidth 
must be set to 13 kHz - try it and see if it 'fixes' the problem.

73,
Don W3FPR

Chris Meagher wrote:
> Hello,
> 
> Have just installled FM filter into slot 1. 
> Other filters are 2.7 in slot 3, 1.8 in slot 4.
> Also just installed KVX3, all appears to be OK with that.
> 
> The problem is that when go 6 metres, select FM mode and press PTT, I get ERR TXF,
> which according to the manual p60 rev.c1-3, is incorrect filter bandwidth.
> 
> I have the following set-up in CONFIG menu.
> 
> FL1 BW  - 12.50
> FL1 FRQ  - 0.00
> FL1 GN  - 0dB
> FL1 ON  - YES
> FL TXFM  - FL1
> FM DEV  - 4.9 (This was default value showing, can't find reference to this menu item in manual)
> FM MODE - ON
> 
> On receive I hear a lot of noise, the level does not change if antenna is connected or not.
> 
> All SSB operation using FL3 for TX is normal.
> 
> Any help appreciated.
> 
> Chris 
> 
> VK2LCD
> 
> Basic K3 @ 10W + KVX3
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