COMPUTER CONNECTION PC LINKThe 2020we/wi may be interfaced with any Windows-based computer byusing the LaMotte SMARTLink 3 Program and USB Cable. The programwill store test information and results in a database. To transfer data fromthe meter to a computer, plug the smaller end of the USB cable (USBmini B connector) into the meter and the larger end of the USB cable(USB Type A connector) into a USB port on a computer. The 2020we/wi will send the following data: test name, wavelength, concentration,transmittance, absorbance, sample, blank, time of test, and date of test. OUTPUTUSB COMPUTER CONNECTIONUSB Type A, USB mini B, Order Cable Code 1720.BATTERY/AC OPERATIONThe 2020we/wi may be operated on battery power or using USB walladapter or USB computer connection. If using the meter as a bench topunit, use the wall adapter if possible to extend the battery life. The meterwill remain on when the USB adapter is used.To charge the battery with the wall adapter, plug the smaller end of theUSB cable (USB mini B connector) into the meter and the larger end ofthe USB cable (USB Type A connector) into the wall adapter. Plug thewall adapter into an AC outlet. Reinsert the USB port plug after charging.To charge the battery from a computer, plug the smaller end of the USBcable (USB mini B connector) into the meter and the larger end of theUSB cable (USB Type A connector) into a USB port on a computer.Reinsert the USB port plug after charging.The battery icon will show no bars and flash when the unit first turns on.Then the indicator will indicate the battery status by showing 0, 1, 2, 3 or4 bars.It will take 5 hours to fully charge a low battery. The battery icon willflash when the battery is charging. The battery icon will show four barsand stop flashing when it is fully charged. The charging circuit willautomatically switch to a float charge when the battery is fully charged.The charger may remain connected. Some computers will NOT supplypower to their USB ports during standby operation. The wall adapter willcharge the unit continuously.The battery icon will show no bars and continuously flash if the batteryis getting low but the unit will still operate normally. A “Low Battery”message on the status bar of the display will replace the time when thebattery voltage is too low for proper operation and accuracy may bedegraded. A “Shutdown Low Batt” message on the display will appearfor a few seconds before the power is switched off when the battery istoo low to operate the unit.11