The Cathode cleaning interval can be set to the time below. From the lifespan/efficacy point of view, all the options are equal.
- Every minute – the cathode cleaning will be activated every minutes for duration of 1 second
- Every 10 minutes – the cathode cleaning will be activated every 10 minutes for duration of 10 seconds
- Every 30 minutes – the cathode cleaning will be activated every 30 minutes for duration of 30 seconds