返回菜单界面（图10）快速连续按“退格*81”，进入自检界面图12，在

Return to the menu interface (Figure 10) and press "Backspace*81" in quick succession to enter the self-check interface as shown in Figure 12. During this process, a self-check version interface (Figure 11) will appear. Check the self-check version on this interface. The information in the "Software Control Table" matches.

Return menu interface (Figure 10) quickly and continuously press "back to the grid" to enter the self-test interface figure 12, in the process will appear a self-test version of the interface (Figure 11), in this interface to check the self-test version, need to match the "software control table" information.

Return to the menu interface (Figure 10) and quickly press "backspace * 81" to enter the self-test interface Figure 12. In this process, a self-test version interface (Figure 11) will appear. The self-test version should be checked in accordance with the information in the "software control table".<br>