I'm trying to use the LCN finder on my 436 and have a question. Should you receive a signal in the signal bar like a control channel where the signal is almost always at full strength? I'm trying to get the LCN on a CAP+ system but the signal drops for maybe 2-3 minutes then picks back up. Sometimes it will take 5-10 minutes to get the signal strength bar to come back up. If I plug in the frequencies conventionally, the signal will drop for maybe 5 seconds then pick right back up, albeit sometimes on a different frequency that is part of the CAP system. At this rate I'm never gonna be able to properly monitor a Capacity+ system. Can someone explain what I'm doing wrong?