Panasonic PT-53TW53 53" Rear Projection HDTV-Ready Television "dumbfounded" Questions

...tuning the VCR to the TV. I am sure it will be an obviously simple solution to this problem but I'm dumbfounded at the moment & look forward to hearing what the simple solution is. Cheers. I have a ...

...and for whatever reason I cannot adjust red! It's like signals got crossed somewhere. I am totally dumbfounded as to why I can't get to the red adjustment. Any ideas would be HUGELY appreciated, I ...