Xtool D9 Pro User Manual page 50

Support to select multiple PIDs and click 【Combine】 to make different
graphs into one chart.
Note: When customizing the graphs, the number of PIDs selected at a time should
not exceed 5
◼ Actuation Test
Actuation test, also known as bidirectional control, is a generic term used
to describe sending and receiving information between one device and
another.
Figure 4-14 Sample of the PIDs Combination
41