I used the Q900 for about two hours in the DX contest.? I will say the receiver held up nicely.? Needed to carefully adjust the IFG and RFG to reduce overload and distortion.? The IFG was set at about 45 percent and the RFG to 25-40 or so.? I adjusted the IFG to a point just below distortion and the RFG to where I could hear the signal clearly with the least background noise.? From there it was just about selecting the correct filters for the conditions.? The filter walls appeared to be steep as it was easy to lose a signal completely if you had the filters too tight and were a bit off frequency.?
As far as tuning around, I used the N1MM up and down arrows exclusively.? All in all it worked fine - I was impressed with the RX as far as the clarity of the received signals (when everything was properly adjusted) and at no time felt like the receiver was overloaded and unable to handle the signals on the band.? Now of course the ergonomics of the radio make things difficult at times but if you take your time it all works out.? I made 47 contacts in two hours of experimentation and low-stress operating.
I continue to be impressed with this radio.? It has a "permanent" spot in my shack right now.? My FT-991a is lonely...
Bob KT8DX