UltraRAE 3000 User’s Guide3811 VOC Operation11.1 Basic User Level/Hygiene Mode(Default Settings)The instrument is programmed to operate in Basic User Level/Hygiene Modeas its default. This gives you the most commonly needed features whilerequiring the fewest parameter adjustments.Pressing [N/-] steps you from one screen to the next, and eventually return tothe main display. If you do not press a key within 60 seconds after entering adisplay, the instrument reverts to its main display.Note: While viewing any of these screens, you can shut off your instrument bypressing [MODE].