Using the Optional Dual Line 1-291Before You Start Using This MachineUsing the Optional Dual LineThe optional Dual-Line Upgrade Kit enables you to connect two telephone lines tothe machine at the same time. This section describes how to set up and use thedual line.For details on how to connect two telephone lines to the machine, see Chapter 2,“Getting Started,” in the Reference Guide.How the Two Telephone Lines OperateThe machine uses the two telephone lines in different ways.• Line 1, connected to the telephone jack (on the right side of the main unit) marked, can be used for all communications provided by the machine.• Line 2, connected to the telephone jack (on the right side of the main unit) marked, cannot be used for the following features:• You can select which line is to be used for priority sending when both lines areopen.• If Line 1 is busy receiving a document transmission, even if Line 2 is open, youcannot send or receive another document transmission manually.• Even if another party calls you on Line 2, you cannot receive the telephone call forvoice communication.Disabled Feature DescriptionMANUAL SENDING Sending documents manually (See Chapter 3, “SendingDocuments.”)MANUAL RECEIVING Receiving documents manually (See Chapter 4, “ReceivingDocuments.”)TALK Voice telephone communication (See Chapter 10, “Other SpecialFeatures.”)REMOTE RX Changing the Remote Receive ID (See Chapter 4, “ReceivingDocuments.”)