I did not realize you were programming by hand.
The sites are the frequency's used on each site.
That's a problem. Should only be ten
851.05
851.60
851.775
852.3625
852.55 CC
852.75 ALT CC
853.2625 ALT CC
853.450 ALT CC
853.5125
851.975
ID Scanning is correct. But now you should try ID Search. To search for new talkgroups.
I'm not sure if the 436 is the same. I have the 536. While scanning the system press Func then E/yes.
It's got to be something simple that is getting overlooked if your 996xt is picking it up. I'm sure you are using the same setup as your 996 so I'm at a loss. Give the 996 a good lookover and make sure you are entering everything the same.