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Variation 3

To confirm that the DSX Mk II ADSU, the DS4 Mk II and DSX-TX ADSU have been reviewed against the requirements of EN 60079-0:2006 and EN 600'79-11:2007 in respect of the differences from EN 50014: 1997 + Amds I & 2 and EN 50020:2002, and that none of these differences, except for marking, affect this equipment