Programming75Englishtelephone handset is lifted, or when a document is loaded. Availablesettings are on and off.20:ECM FUNCTION: The error correction mode function helps your faxmachine to improve communication in areas where telephone lineconditions are poor. Available settings are on and off.Note 1:When using ECM, the transmitting fax machine automaticallychecks the data as it is sent. If the receiving fax machine cannotverify the transmission, the transmitting fax machine willretransmit as necessary. Using ECM also increases transmissiontime because the data is checked as it is transmitted.Note 2:Not all fax machines have ECM. If you have activated ECM andthen transmit to a fax machine not using ECM, there will be nochange in fax transmission time because ECM will not be used.21:REMOTE DIAGNOSIS: The remote diagnostics feature allows aservice person to remotely dial and service your fax machine. Availablesettings are on and off.22:PC/FAX SWITCH: When your fax machine is set to answer in PCReceive Mode and your optional MFP software is set to receive faxmessages, all incoming calls are transferred directly to your PC by settingthis function to OFF. However, if you are experiencing a problem withyour PC, you can tell your fax machine to receive and print faxes locallyif your PC does not answer the call within 20 seconds by setting thisfunction to ON. Available settings are on and off.23:ONE TOUCH PARAM.: This function allows you to make changesto the communications settings for a specific One Touch key, withoutchanging the normal communication settings used by your fax machine.For instructions on changing One Touch Parameters settings for a OneTouch key, see One Touch parameters in Dial Directories.Changing user function settings1. Press the Select Function key.2. Press the 9/User Prog. One Touch key. The display shows 1:FUNC.PROGRAMMING.3. Press the YES key. The display shows FUNCTION NO. [ ].