Demons can smell like sulfur, roses, cologne...anything! They can also appear as: an angel of light, a dead person or child, a spirit guide, a healing spirit (reiki), an alien, a fairy, a dwarf, a spirit animal etc! We can't safely discern them! The safest thing to do, is let Jesus and his angels protect us.
The recommendation is therefore that the stimulation should be applied with a 2500Hz carrier medium frequency sinusoidal alternating current, burst at 50 Hz (10ms ON: 10ms OFF) at a maximum tolerable level.
In statistics the frequency (or absolute frequency) of an event is the number of times the event occurred in an experiment or study.These frequencies are often graphically represented in histograms.umulative frequency refers to the total of the absolute frequencies of all events at or below a certain point in an ordered list of events.