1. Omnidirectional/Single-Line Mode 2. Sleep Mode with IR Wake-Up 3. ... Host System InterfacesUSB, RS232, Keyboard Wedge, IBM 46xx (RS485), OCIA, Laser Emulation, Light Pen Wand EmulationEnvironmental Operating Temperature-20°C to ... activated single lineScan SpeedOmnidirectional: 1650 scan lines per second; Single line: 80 scan lines per secondPrint Contrast35% minimum reflectance differencePitch, ...