Barcode Scanner is generally divided into three interfaces, namely the USB interface, serial port and keyboard.

1. USB's keyboard mode: It is the same as the USB keyboard. After connecting the scanned gun to the computer, we start to scan the bar code and find that the computer's cursor is located. There is a data input. No matter what software is, as long as the keyboard can be entered, you can scan into the data. The USB keyboard does not need to drive, so the barcode scanning gun that is similar to the USB keyboard does not require driving.

2. USB's serial port mode: In the factory, it is generally used in the factory. For some places with special requirements, you also choose to transmit serial port. This method needs to install the driver. This driver is the driver of the USB transitional chip, and some will be divided into 32 -bit drivers and 64 -bit drivers according to the system. If you want to scan the QR code containing Chinese, you must scan in a serial port. If there is no corresponding software to receive data, you need some small software to pass the data received by the serial port to the cursor.

3. USB HID mode: This method is similar to the USB serial port mode, and it is necessary to install the driver and receive data from the special software from the HID interface.

In retail warehousing management, the barcode solution is adopted. When using barcode scanning guns, pay attention to this: the barcode scanning gun of the serial port cannot be used to use notepads, Excel, Word, etc. The computer comes with it, Win7 is not).

Key step:

1. First connect the data cable to the data cable socket and computer USB port of the barcode scanning gun (the connection method of other interface scanning guns is slightly different, and you can refer to the user manual).

2. Press and hold the trigger key. The lighting light is activated. The red lighting area and the red focus line appear.

3. Met the red focus line on the barcode center, move the scanning gun and adjust the distance between it and barcode to find the excellent knowledge reading distance.

4. Hearing a successful prompt sound, and at the same time, the red lighting line goes off, then the code reads successfully. The scanning gun transmits the decoded data to the host.

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