FT991 change the roofing filter

How do I change the roofing filter from 15kHz to 3kHz?

Cause/Symptom:
How do I change the roofing filter from 15kHz to 3kHz?

Solution:
The FT-991 roofing filter uses the 15 kHz filter on AM/FM/C4FM modes. All the other modes use the 3 KHz filter automatically. There is no manual selection possible.



Yaesu FT-991(A) Users Group (groups.io)
https://groups.io/g/Yaesu-FT-991




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Yaesu FT-991(A) Users Group (groups.io)
https://groups.io/g/Yaesu-FT-991

www.FT991a.com
www.FTDX10.com
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