50 Handbook|The Error Correction Mode (ECM) function may helpyour fax machine improve communication in areas wheretelephone line conditions are marginal. Refer to the“Problem Solving” section of this handbook for othersuggestions if you have communication problems.Available settings are ON (default) and OFF.21 REMOTE DIAGNOSISThe remote diagnostics feature allows a service personremotely to dial and service your fax machine.Available settings are ON and OFF (default).22 PC/FAX SWITCHThis function is active only when the MultifunctionPrinter Option is installed and your fax machine is set tothe PC Fax answering mode. In that case, incoming faxesare saved directly to the PC’s disk without being printed.If the PC is turned off or not functioning, the fax machineacts as a stand-alone fax machine and prints incomingfaxes when this PC/FAX SWITCH function is set to ON(default). If this function is set to OFF, the fax machinewill not accept incoming faxes when the PC is turned offor not functioning.23 ONE TOUCH PARAMThis function allows you to activate the Echo Protectionfeature for a specific One Touch key, without changing thenormal settings. Echo Protection can improvecommunication with a location in a noisy telephone area.For instructions on changing One Touch Parameterssettings for a One Touch key, refer to the “ProgrammingYour Speed Dial directory, One Touch Faxing” section ofthis handbook.Changing Your User Function Settings1 Press the Select Function key.2 Press the 9/User Program One Touch key.The display shows1:FUNC. PROGRAMMING.3 Press the Yes ß key. The display showsFUNCTION NO. [ ].
