Appendix E. Glossary - GE Optica Operator's Manual

Appendix E. Glossary

Appendix E. Glossary
Depression Capability
The temperature difference by which the chilled mirror can be lowered from the ambient temperature.
Network
A Local Area computer Network (LAN) or Wide Area Network (WAN) such as the Internet. The Optica can be
operated or programmed remotely over a network.
PACER
GE Sensing patented Programmable Automatic Contaminant Error Reduction system, which consolidates soluble
contaminants to reduce their effect on system accuracy (see "The PACER Cycle" on page 6).
Parameter
A measured quantity available for display by the unit, such as Dew Point in °C, Humidity in Grams/Kilograms, or
Pressure in Bar.
Process Pressure
The gas pressure of the system under test. In some applications, humidity of this gas may be measured at a lower
pressure.
Scaling
The process of selecting the maximum and minimum output values of a chosen parameter.
SHIFT
Pressing the key enters Shift Key mode, reversing the direction of the cursor motion when pressing , and
SHIFT TAB
accessing the non-numeric characters on the keypad.
Softkeys
The four keys to the right of the display. The functions of these keys change depending on the context, and the current
function is displayed to the left of each key.
VGA
Video Graphics Array: Generic description of a 640 by 480 pixel display. Used to identify the large-screen Optica.
4x40
A display with four lines by 40 characters per line. Used to identify the small-screen Optica.
Optica™ Operator's Manual 101