User's Guide

 6
Terms and Abbreviations
This page explains the terms and abbreviations used in this guide:
Term Meaning
DOCK Docking Station—intelligent docking/charging station for the OM247-TRAK (TU).
EMMO Electronic Monitoring Mobile Organiser—a software program that runs on a PDA. It is used to display
the full status details of the monitoring equipment. (See the EMMO User Guide).
FMO Field Monitoring Ofcer—an Ofcer who visits the subject, typically at the curfew address, to install the
monitoring equipment, set up the curfew and investigate any problems during the curfew.
GPS Global Positioning System—the satellite system used to track the position of a TU or SOLO.
GPRS General Packet Radio Service—extension of the GSM standard, primarily used for data transfer
applications.
GSM Global System for Mobile communications—the international standard for mobile telephones.
IrDA Infrared Data Association—the standard protocol for infrared communications.
LBS Location Based Service—method of locating a TU or SOLO by calculating its distance from mobile-phone
masts. Used as a back-up to GPS location.
MU (OM247-MU) Monitoring Unit—the telephone unit that detects any nearby PIDs, and automatically contacts the Control
Centre if the curfew conditions are broken.
PDA Personal Digital Assistant—a small, hand-held portable computer.
PID (OM247-PID) Personal Identication Device—an electronic tag worn by a subject.
RAM Random Alternative Monitoring—the survey mode used to detect any nearby PIDs.
SOLO (OM247-SOLO) A one-piece GPS-enabled tag worn by a subject.
Subject A person who is being electronically monitored as a part of a curfew order.
Tag An electronic monitoring bracelet worn by the subject—either an OM247-PID or an OM247-SOLO.
TU (OM247-TRAK) Tracking Unit—A GPS-enabled device carried by a subject.