MS838B V1.7Quick Start GuideBa�ery DisplayDisplay ba�ery capacityNote: Ba�ery Percentage DisplayIOS show / hide the KeyboardShow or hideNote: Only support under Bluetooth modeOpera�on ModeWedge ModeBatch Mode Clear all data*Auto ModeUpload all data Display stored dataNote: Scan the "Upload all data" code to completethe data transfer. Note: Clear all data mode is only effec�ve underBatch Mode.LED Descrip�onRed Light Charging: Light onCharging finished: Light offGreen LightSlow flash: Bluetooth SPP/BLE pairingLight On: Scanner is connected to thereceiver, USB or Bluetooth successfully.Quick Flash: Entering the pairing modeFlash once: Data upload successfully.If the word “Unitech” appears on thescreen, you have succesfully installedyour scanner.Open a word processing program suchas Microso� Word or Notepad and scanthe following barcode:Test & Finish Buzzer Descrip�onOne long beep: Switch onOne low beep and two high beeps:setup code or data saved.One short beep: pairing up with thereceiver successfully.One short low beep and one shorthigh beep: Good Read and data send.Three con�nuous short beeps:Alarm promptPlug the USB cable into the port onthe scanner and into a USB port onthe host computer.ChargingHostUSBMicro USBMS838B2.4G Wireless2D Barcode ScannerConnect Dongle To HostPlug the USB Dongle to a free USB port of ahost computer.The MS838B is nowready to use.*2.4G Receiver Bluetooth SPPWireless Communica�on ModeBluetooth HIDPairing Func�onNote: The scanner can be searched by otherBluetooth devices a�er scanning BluetoothHID pairing code.Bluetooth HID pairing2.4G Receiver pairing*USB-HID USB-COMUSB Interface ModeNote: The code with (*) is the factory default.Default Se�ngRFID module Factory DefaultDecoder Factory DefaultNote: Please scan barcode 1 and barcode 2 to set Decoder factory default.1 2