For example, if you have a sensor range of 0 to 1000 ppm, the
detector LCD displays in sequence 0, 125, 250, 375…all the way up
to 1000 ppm. These are the ppm equivalent values of 4,6, 8, 10, etc.,
all the way up to 20mA.
Note: You can stop the test and exit at any time by pressing [-].