I was replacing a R15 with a HR22. I have the Slimline-5 with multiswitch Dish. I also have a HR21 working in another room. When I was doing the setup on the HR22, the setup screen (where you select dish type and multiswitch or SWM) had "dual tuner" listed. This is not changeable - just listed. When I went through the setup initially I was not getting a signal to tuner 2. I tried a couple of times but I must have had a loose connection. At the end of the setup the "Dual Tuner" changed to "Single Tuner" and the setup completed. I have since fixed the cable and now have a good signal to both tuners however the setup will not let me change to "Dual Tuners". Now when I record something, I can not change channels unless I cancel the recording. I tried Re-setting Everything (in menu and front panel), but I can not get the Dual Tuner feature to work. The Info screen shows "Tuner 1: SAT - Record" and "Tuner 2: SAT" Perhaps my HR22 went bad. Is there anything else I can do?