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LCN Insertion
In telecommunications, a logical channel number (LCN), also known as virtual channel, is a
channel designation which differs from that of the actual radio channel (or range of frequencies)
on which the signal travels.
The most common reason for a television station using a virtual channel is to minimize viewer
confusion when a digital transmission is airing on a different channel from the one the station
used in analog mode. The virtual channel thus enables viewers to tune in the station by
choosing the same channel number as they would have previously.
The equipment supports LCN feature in a DTV system. Through following a few simple
configuration steps then you can activate this feature.
1. Select the TS where your actual NIT table locates from an output module in “Output
Program Info” window. Right click on the TS, and select “SI setting” to enter the PSI/SI
editing page.
2. In the PSI/SI editing page, click + besides NIT Actual table to expand the table, find the
“transport_descriptor”, and right click on it and select “Add LCN Descriptor” to enter the
LCN editing page.
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