Lexmark M410 User's Guide - Page 284

272 Glossary Data Terminal Ready (DTR). A "handshaking" signal contained in a serial interface indicating the device is ready to exchange information. default. An attribute, value, or setting that is assumed when none is explicitly specified. disk. See hard disk option. display. See operator panel display. DL. Envelope measuring 110 x 220 mm (4.33 x 8.66 in.). download. To transfer information, such as fonts, from a diskette or other device to your computer or printer for temporary or permanent storage. dpi. Dots per inch. See resolution. DRAM. See dynamic random access memory. driver. See printer driver. DSR. See Data Set Ready. DTR. See Data Terminal Ready. duplex. To print on both sides of a sheet of print material. dynamic random access memory (DRAM). Memory that allows rapid storage and retrieval of data. DRAM contents are erased when electrical power is turned off. E emulation. Imitation of a printer processing language. For example, PCL 6 emulation imitates the Hewlett-Packard LaserJet printer language. ENA. External network adapter. See external print server. error message. See attendance message.