Peak:
the maximum value of this experiment
0/40:
0 current stored data; 40 the amount of data that can be stored
F1:
zero clearing.
F2:
Delete.
F3:
increase pressure. After replace the film, use the button. DO
NOT press the button at other times.
F4:
reduce pressure. After replace the film and increase pressure,
use the button. DO NOT press the button at other times.
F5:
pneumatic. After replace the film, use the button to debug the
machine. DO NOT press the button at other times.
