
VEMCO – VR4-UWM Manual
67
9.4
Glossary
Bluetooth wireless technology:
A technology based on the
Bluetooth
standard which provides for
fast wireless communication in air, typically over a 10 meter range.
Bluetooth USB Adapter:
This is a physical device that attaches to the PC USB port and enables
your PC to communicate wirelessly to the VR4-UWM receiver.
Clock drift:
The clocks within a receiver are controlled by a crystal oscillator. The timing of the
oscillator will vary over time and thus the receiver time will drift 2-3 seconds per day.
Code Map:
Collection of code spaces that define the types of transmitters the receiver can detect.
Code Space:
Nomenclature for VEMCO tags which provides unambiguous description of the
coding parameters for that tag type.
Station Name:
Name for a specific deployment location including lat and long parameters.
Offloading:
Retrieving data from a VEMCO receiver and storing it in a VRL file.
UTC:
Co-ordinated Universal Time is a worldwide standard for time, sometimes referred to as
Greenwich Mean Time. VUE configures VEMCO receivers in UTC time.
VRL files:
Binary file format for VEMCO Receiver data logs read from VEMCO receivers.
VUE :
VEMCO User Environment PC Receiver software from VEMCO.
VUE Database:
A collection of imported VRL files. VRL files are all that is needed to recreate a
database or to create other databases.