Transmission Functions 5-315Customizing Fax SettingsTransmission FunctionsThis section explains how to set Fax transmission functions.ECM TransmissionECM (Error Correction Mode) reduces the effect of system and line errors on documents thatoccur during sending or receiving with another fax unit that supports ECM. If the other fax doesnot support ECM, this setting is ignored. If transmission speed appears to be extremely slow,you may be able to speed up transmission time by turning ECM 'Off'.IMPORTANT• If you want to communicate using ECM, it is necessary that the ECM function be set in both thedestination machine and this machine. This function does not operate unless ECM is set in bothmachines.• Even when ECM is set, errors can sometimes occur due to a poor telephone connection.• If there is trouble with the line, it will take more time for the documents to be sent.NOTEThe default setting is 'On'.1 Press ➞ [Custom Fax Settings] ➞ [TX Settings] ➞ [ECM TX].2 Select [On] or [Off] ➞ press [OK].The selected mode is set.
