Section 11. Glossary
547
Term: null-modem
A device, usually a multi-conductor cable, which converts an RS-232 port
from DCE to DTE or from DTE to DCE.
Term: Numeric Monitor
A digital monitor in datalogger support software
(p. 90)
or in a
keyboard/display
(p. 84).
Term: offset
A term, often a parameter in a CRBasic measurement instruction, that
designates the y-intercept (aka, shifting factor or zeroing factor) in a linear
function. For example, when converting °C to °F, the equation is °F =
°C*1.8 + 32. The factor 32 is the offset. See multiplier
(p. 546).
Term: ohm
The unit of resistance. Symbol is the Greek letter Omega (Ω). 1.0 Ω equals
the ratio of 1.0 volt divided by 1.0 ampere.
Term: Ohm's Law
Describes the relationship of current and resistance to voltage. Voltage equals
the product of current and resistance (V = I • R).
Term: on-line data transfer
Routine transfer of data to a peripheral left on-site. Transfer is controlled by
the program entered in the datalogger.
Term: operating system
The operating system (also known as "firmware") is a set of instructions that
controls the basic functions of the CR3000 and enables the use of user written
CRBasic programs. The operating system is preloaded into the CR3000 at
the factory but can be re-loaded or upgraded by you using Device
Configuration Utility
(p. 113)
software. The most recent CR3000 operating
system .obj file is available at www.campbellsci.com/downloads.
Term: output
A loosely applied term. Denotes a) the information carrier generated by an
electronic sensor, b) the transfer of data from variable memory to final-data
Summary of Contents for CR3000 Micrologger
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Page 485: ...Section 8 Operation 485 8 11 2 Data Display FIGURE 110 Keyboard and Display Displaying Data ...
Page 487: ...Section 8 Operation 487 FIGURE 112 CR1000KD Real Time Custom ...
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