Chapter 5 117Faxing Special Dialingz Dialing through a SwitchboardA PBX (Private Branch Exchange) is an on-site telephone switchboard. If your machine isconnected through a PBX or other telephone switching systems, you have to dial the outside lineaccess number first, and then the number of the party you are calling.z Switching Temporarily to Tone DialingMany information services for banks, airline reservations, hotel reservations, etc. require tonedialing for their services. If your machine is connected to a rotary pulse line, you can set themachine to temporarily switch to tone dialing.1 Press [FAX].2 Press [Hook] or lift the handset.3 Use the Numeric buttons to dial the number of the information service.4 When the recorded message of the information service answers, press [Tone] ([ ])to switch to tone dialing.If you pressed [Hook] in step 2 and wish to talk to the other party, lift the handset.5 Use the Numeric buttons to enter the numbers requested by the informationservice.6 When you have finished using the service, press [Hook] or hang up the handset.z Sending/Receiving Using ECMThis machine is set to send/receive faxes in ECM (Error Correction Mode). ECM automaticallycorrects errors caused by connection troubles, cross-checking the sending and receivingconditions at the sending and receiving ends.Notez If the sender's or receiver’s fax is not ECM-compatible, the fax will be sent/received in thestandard mode.z You can disable ECM sending/receiving. See “ECM TX” on page 138 and “ECM RX” onpage 139.
