The Pick Site Tool is a botton on the toolbar of the Receiver window. Use this to choose the site you want to monitor. You can select from any previously logged site. The receiver / VCO must be in Signal Role to use this tool. To monitor a new site, use Discover mode by manually entering a Park frequency. Click this button to see the Pick Site dialog. Press OK or Cancel to close the windw.
There are three drop-down combo boxes - System, Site, and Channel. You use these to drill down to the control of the site you want to monitor. At the bottom of the window are some check boxes for filtering the list of possible choices. You can check any combination of EDACS, Motorola, MPT1327, or P25. The channels drop-down combo box can offer control channels or voice and control channels. Sometimes, not all control channels for a site have been identified. One of the voice channels may actually be the active control channel. Check "Include Voice Channels" to include these channels as possible choices.
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If the VCO is running, your control channel selection takes effect immediately. Expect the site window to appear. If no activity appears, you can cycle through the other control channels. If none of the control channels are active, one of the voice channels may actually be the active control channel. Check "Include Voice Channels" to include these channels as possible choices. Once you've got activity in the site window. Click OK to close the Pick Site dialog.