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Error correction mode

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This is an old revision of this page, as edited by Charles Matthews (talk | contribs) at 19:48, 5 September 2004 (wfy). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Error correction mode (ECM) is an optional transmission mode built into Class 1 fax machines or fax modems. ECM automatically detects and corrects errors in the fax transmission process that are sometimes caused by telephone line noise.

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