15 Appendix A4. Linearity4.1 Linear Test SpecificationsDirection X: <1.5 %Direction Y: <1.5 %4.2 Linearity TestApply voltage (DC5V) to upper (or lower ) electrodes, outputvoltage Vx or Vy on the other electrodes is measured at everyregular intervals.Linearity is the value of max. error voltage5. Environment Specifications5.1 Operating Temperature: -10 ~ + 60° C5.2 Storage Temperature: -40 ~ +80° C5.3 Humidity: if 40° C, humidity <80% RHif 40° C, humidity < 90% RH No dew condensationA.3 Installing Driver for Windows OSThe touchscreen has drivers for Windows 2000 /XP/2003/Vista. Youshould read the instructions in CD-ROM Disk Touchscreen section care-fully before you attempt installation. The FPM-5151G-XCE, RCE needto install Penmount 6000 driver. Please find Penmount 6000 folder andinstall the driver into your system.Note 1: The driver manual are examples only. You must fol-low the flow chart instructions and pay attention tothe instructions which then appear on your screen.Note 2: The USB & RS-232 cable not allow to connect tosystem at the same time.Note 3: USB & RS-232 interface driver is different, uninstallprevious driver before installing a different driver.:Note 4: If there is any others OS driver need, could down-load at the web site: http://www.penmount.com.tw(Penmount 6000)