When the QR code scanner scans some small QR codes, the ability to affect the QR code scanner generally has the following two points: one is the scanning ability of the QR code scanner, and then you use the two-dimensional scanning. The method of the gun, if the method of use is not suitable, the best barcode scanner can not smoothly scan the QR code. The following small series introduces you to the use of the QR code scanner: Â Â Â Â 1. When scanning for the first time, press and hold the scan button (don't let go so quickly, keep holding it), aim the red point of the aiming red light from the scanner to the QR code. Â Â Â Â 2. The two-dimensional code plane and the scanner window plane are kept parallel, and the distance between the two is kept in the range of 2CM to 6CM, and the optimal distance is about 4CM. Â Â Â Â 3. If you can't read it for more than 5 seconds, just press the scan button again. It is easy to identify the QR code and scan it several times to master the method. Â Â Â Â After the QR code scanner has mastered the scanning method, it is very easy to continue scanning later, and the effect of reading the two-dimensional code can be achieved by pressing the scan button once. Worried about uncertain situations when the ball gets punctured in the middle of nowhere? With Air Pump For Volleyball, you can relax and enjoy the journey totally. It is not only a Volleyball Hand Pump suitable for filling the air in the volleyball but also a multiple use Mini Hand Ball Pump to footballs, and so on. Very essential product for every person who owns a car or who drives the car. Air Pump For Volleyball,Volleyball Hand Pump,Mini Hand Ball Pump,Pump For Volleyball SHENZHEN SMARTNEWO TECHNOLOGY CO,. LTD , https://www.newopump.com
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How to use the QR code scanner