KANOMAX 3900 Portable Particle Counter - Manual (Page 21)

3. Display Description and Operation Procedure 14
3.4 MONITOR
Tap [MONITOR] on the initial screen to start
monitoring. Sampling will start in 10 seconds after
the pump starts operating.
* Note that if the pump is already operating,
sampling will start immediately when you tap
[MONITOR].
* Note that the instrument is capable of 180 hours
of continuous operation.
While measuring, tap [MONITOR] again. A dialog
will be displayed asking you if you want to stop
monitoring. Tap [Yes] to stop monitoring.
Note that you cannot save measurement data or
display chart when you are monitoring in this mode.