37Standard programstransferring data to a PC and in a network. These interfaces canbe used for the connection of a USB stick, an external USBkeyboard or a USB Barcode handset scanner.Note: Various accessories can also be connected simultaneously usinga USB hub.A USB memory stick is used to update data, refer tosection 6.8.2, page 111.Note: A shielded USB cable must not be longer than 3 m!1. Press PC & Printer in "Instrument Setup".A list with information about the connections opens.5.2.7.1 Printer setup2. Press Printer.3. Press Setup to display the Printer Setup screen.Table 3 USB connectorInterfaces DescriptionUSB (Type A) This USB port can be used to connect a printer, a USB memory stick or a keyboard.USB (Type B) This USB port is only intended for the connection of the DR 3900 to a PC (with installation of thecorresponding software).EthernetThe Ethernet port is intended for data transfer to a PC without installed software or in a localnetwork . Only use a shielded cable (e.g. STP, FTP, S/FTP) with a maximum length of 20 m forthe Ethernet port.
