Uniden HomePatrol?1 Owner's Manual page 54

The next pictures show how this process might look over
several minutes' time.
White cells are cells with high LCN to frequency activity
and are likely LCN matches.
The HomePatrol‐1 will notify you when all LCNs have
been correlated.
You can press SAVE to save the LCN association for each
frequency to the system.
Note that because this process uses statistical correlation,
it can result in false finds, especially on a busy system. It
is a good idea to run this process several times and
compare results before saving an LCN map for a system.
Best results are achieved when the system is not
extremely busy.
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