natus UltraPro S100, User Manual, Page: 45 / 88

September 13, 2018 2-17
System Basics
Display Keys
Stimulus
The Right and Left control keys allow you to modify the sweep
speed.
•
The Right key increases the sweep speed.
•
The Left key decreases the sweep speed.
The Up and Down control keys allow you to modify the level of
sensitivity.
•
The Up key increases the sensitivity level.
•
The Down key decreases the sensitivity level.
Stimulus Indicator
The stimulus indicator yellow light (LED) blinks once for Single
Stimulus, and intermittently for Repetitive Stimulus.
Single Stimulus Key
When the Single Stimulus key is pressed, a single stimulus is presented
and the indicator blinks once.
The Single Stimulus key can also be used to stop Repetitive Stimulus.
Repetitive Stimulus Key
When the Repetitive Stimulus key is pressed, repetitive stimulus is
presented and the indicator blinks intermittently.
To stop repetitive stimulus, press either the same Repetitive Stimulus
key or the Single Stimulus key.