Looks good. After that, hit menu, Analyze, LCN Finder. There will need to be activity on the system, and enough to get conversations on each of the frequencies. Let it run during the day when the system is most likely to be busy. When it is done you can review that system under manage favorites, or read the scanner into Sentinel and it should have the LCNs.Do have a 536HP. See if got this right on the setup. Then set the scanner to LCN Finder.