Emerson NGA2000 Reference Manual page 13

NGA2000 Reference
Softkeys
The five function keys located below the front panel display; they assume the function displayed directly
above each on the display, a function dictated by software.
Span
The range over which something works, or the act of standardizing the upper end of the range.
String
These are numbers which refer to the standard letters, numbers and odd symbols in the ASCII character
set. A string variable contains up to 31 characters of ASCII.
System
Any collection of Analyzer Module(s), Platform(s), I/O Module(s) and Expansion Module(s).
System Autocal Module
Synchronize calibrations of up to four analyzer modules in a system, using a common sample system.
System Integrator
An individual or organization who designs and/or builds analytical systems.
Technical Level
In the NGA2000 menus system, refers to the controls and configuration capability, and diagnostic informa-
tion appropriate for analyzer technicians.
THC
Total Hydrocarbons, a term for the total quantity of hydrocarbons present, regardless of their type.
Tweak
A slang term meaning to adjust.
TO2
Trace Oxygen Analyzer module.
Variable
Data sent over the LON as discrete packets.
VBA
Visual Basic for Applications.
Warning
A form of alarm.
Zero
To make the analyzer read zero on zero gas, by calibrating its offset. Also the operation that accomplishes
this.
Rosemount Analytical Inc. A Division of Emerson Process Management
Reference Manual
748384-C
September 2003
Preface P-7