取机器，按开机键，开机机器自动进入清安全界面，如图2，插上连接母POS

Take the machine, press the power button, the machine will automatically enter the clear security interface, as shown in Figure 2, plug in the USB cable connected to the mother POS, clear the security, the clear security is successful, and the interface as shown in Figure 3, and the machine automatically enters the second_burn-in command mode, such as Figure 4, at this time, you can unplug the machine's USB cable and flow into the next one. <br>The parent POS shows that the operation is successful, as shown in Figure 5. After the parent POS repeatedly enters the interface in Figure 4, the number of authorizations is reduced by one to 151, as shown in Figure 6.

Take the machine, press the power-on key, the power-on machine automatically enter the clear safety interface, figure 2, plug in the USB cable connecting the mother POS, clear safety, clean safety success as shown in the figure 3 interface, while the machine automatically enters the second_burn-in command mode, figure 4, at this time you can unplug the machine USB cable, flow into the next lane.<br>The mother POS display operation was successful, as shown in Figure 5, after which the mother pos repeatedly entered the Figure 4 interface, reducing the number of authorizations by 1 to 151, as shown in Figure 6.

Take the machine, press the power on button, and the machine will automatically enter the clear security interface, as shown in Figure 2. Plug in the USB cable connecting to the bus POS, and clear the security successfully, as shown in Figure 3. At the same time, the machine automatically enters second_ Burn in command mode, as shown in Figure 4. At this time, you can unplug the USB cable of the machine and flow into the next channel.<br>The display operation of the parent POS is successful, as shown in Figure 5. After that, the mother POS repeatedly enters the interface in Figure 4, and the number of authorizations is reduced by 1 to 151, as shown in Figure 6.<br>