[Elecraft] RTTY filter for K3

[Ken K3IU]

You can change the MARK freq in AFSK A mode to one of four values 
ranging from 915 Hz to 2125 Hz by pressing PITCH and rotating the VFO A 
knob which, of course, will change the center frequency accordingly.

73,
Ken K3IU
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n4lq wrote:
> To use the DTF, I changed to AFSK A mode. This allows the DTF to work 
> however the center frequency of the IF changes from 1500Hz to 1356Hz. 
> I will notify Elecraft about these.