
18
Figure 18
Rotate left and right to select the number of groups, and then "click to
select" to enter figure 19.
Figure 19
In this interface, you can select to view, delete and print historical data by
turning the mouse left and right. Click "▲▼" to return to figure 18, click "return"
to return to figure 17, and click "view" to enter Figure 20.
Figure 20