1Bur3074 NADAMOO 2.4G Wireless & USB wired Barcode ScannerQuick Start GuideIn order to correctly use the bar code scanner, please read the instructioncarefully and do not arbitrarily scan the settings code, otherwise somesettings may not be available.Please keep this instruction for reference in the future.If you have any question or concern about the operation of the scanner,please contact us at Email: server@nadamoo.cn / burnfree@126.com.Package Include:1 x Bar code scanner1 x USB cable1 x USB Wireless receiver1 x User manualChargingPlease ensure that the scanner has enough power. If the scanner runs out ofpower, the buzzer will ring for seconds, and the scanner will shut downautomatically. At this case, please stop scanning and recharge the scanner.Please insert one end of USB cable into the scanner correctly, and insertanother end to computer USB interface or 5V DC USB interface power (NOTE:please use computer USB interface or special 5V DC power supply to charge, theabnormal power will cause permanent damage to scanning gun and battery).Yellow LED light will light up when the scanner is at charge statue. It will takeabout 4 hours to recharge the scanner. After full charged, the LED light will goout automatically.Connection SettingThis scanner has two connection mode:Mode 1: Wired Mode.Set by steps:1. Connect the scanner to your computer via USB cable;2. Scan the code " PS2 keyboard wired mode " to convert the scanner to wired mode.PS2 keyboard wired mode