After the test is completed, take out the main body, follow the instructions on the screen, and use the scanner to read the QR code of the electronic main body. (Figure 4)
After the test, take out the main body, operate according to the instructions on the screen, and use the scanner to read the QR code of the electronic main body first. (Figure 4)<br>
After the test, take out the main body, follow the instructions on the screen, and use the scanner to read the QR code of the electronic main body first. (Figure 4)