VCT

Virtual Channel Table (VCT) is an ATSC Table defining, at a minimum, the MPEG-2/4 programs embedded in the Transport Stream.

ID	*Name*	*Event Error*	*Description*
152	VCT Table Missing	VCT Missing	VCT is not found. The message will specify whether the table is missing (never detected) or has been actively removed.
153	VCT Table Repetition Rate Too Slow	VCT Rep Slow	The repetition rate of the VCT is too slow; configurable threshold.
158	VCT Is Illegal	VCT Illegal	Illegal values or length on VCT table.
161	VCT Version Change	VCT Version Changed	The VCT version was changed.
162	VCT CRC change (Monitor changes to VCT CRC)	VCT CRC changed	Table CRC changed without version change.
164	VCT Table Type mismatch	VCT Mismatch	Detected VCT type does not match the configured type (TVCT/CVCT).
165	VCT Channel Number mismatch (major or minor)	VCT Channel Mismatch	Detected channel number does not match the expected channel number.
166	VCT Service Type mismatch	VCT Service Mismatch	Detected VCT service type does not match the configured service type.
167	VCT Source ID mismatch	VCT Source ID Mismatch	Detected source ID does not match the configured source ID.
168	Channel Missing in VCT	Entry Missing in VCT	Channel is missing in VCT.
169	Check for VCT Channel Short Name matching	VCT Name Mismatch	The short name is a four-letter name of the channel, which is usually shown on the 4-digit LCD on the set-top box. The event will trigger if there is Channel short name mismatch in the VCT table.