Your portable dish should locate and lock onto the satellites outside. When you do it inside are you connecting directly to the back of the sat receiver? If so, you'll need to confirm that the RG6 cable is connected from the port on the outside to the plate behind the tv. Also make sure the over-the-air antenna booster isn't turned on.
Your refrigerator is in the slideout. Floorplans with the vent in the roof flow air better over the back of the fridge than when the fridge is in the slideout. So, if the thermistor adjustment doesn't get it cold enough, you can add a couple computer fans in the space behind the refrigerator to move more air. You'll see lots of examples if you do a search here. Some people have decided to replace the factory fan(s) just because they tend to be loud.
Have you confirmed that the flush nozzle is spraying in the tank by opening the toilet dump valve? Mine is quiet but I can hear it spraying when I'm at the outside dump valve.
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2023 Rockwood Signature 8262RBS
2016 Ford F-250 XLT SuperCrew, 6.2L, 4x4, 6'9" bed
2019 Rockwood Signature 8290BS (2019 - 2022)
2011 Rockwood Signature 8293SS (2015 - 2018)
2010 Rockwood Roo 23SS (2012 - 2014)