Transmission 2VarioLink 2221/2821/3621 2-29Transmission Chapter 2- By adding a comparison number after the special character, the docu-ment can be sent only if the comparison number matches the CSI signal.- The number of digits that are compared in the CSI signal and the recipi-ent’s telephone number can be specified with the software switch set-tings. As a factory default, the machine is set to “4 digits”.!DetailFor details on transmitting using one-touch dial buttons, refer to “Usinga one-touch dial button” on page 2-19.For details on programming one-touch dial buttons, refer to “Registering/specifying settings” on page 9-2.For details on the software switch settings for checked receiver transmis-sions and the number of digits that are compared, refer to “Specifyingsoftware switch settings (machine functions)” on page 10-67.To perform a check receiver transmission1 Press the [Fax/Scan] key to display the Fax mode screen.2 Position the document to be faxed.3 Touch [Direct Input].Dialing method Method for checking the recipient’s ma-chineRecipient’s telephone number + special char-acter “S”The CSI signal and recipient’s telephonenumber are compared.Recipient’s telephone number + special char-acter “S” + comparison numberThe CSI signal and comparison number arecompared.