User's Manual

period, the tracking unit sends a Beacon Leave message to the central monitoring computer and begins
searching for a GPS signal (see page 15).
Features
Chapter Topics
Tamper Detection
The beacon includes an internal sensor that detects attempts to tamper with the case.
Motion Detection
The beacon contains motion sensors inside the casing to deter the client from relocating the unit. If the
client moves the beacon, it begins recording the amount of time the unit is in motion and starts
transmitting a motion detection signal.
Variable Leave Window
When a client leaves the beacon’s range, he or she must be away for a specified amount of time before the
tracking unit acknowledges a Leave event and begins searching for a location fix. This period of time,
known as the Leave Window, is configurable from 2 to 10 minutes, in 1-minute increments.
Range Considerations
The following table displays the range options for each individual beacon. The Distance column refers to
the amount of separation allowed between the tracking unit and the beacon before the tracking unit sends
a Beacon Leave message to the central monitoring computer. The Level column corresponds to a specific
distance.
Distance
Level
Distance
High
150ft
Medium
75ft
Low
35ft
*The distances listed above are approximations that were established in an open field environment with no
obstructions between the beacon and the tracking unit.
Because many factors affect radio frequency signal range, it is helpful to understand the possible external
elements that can alter range signals. Signal ranges can be affected by equipment elevation and
obstructions between the beacon and the tracking unit.
Obstructions
Obstructions between the beacon and the tracking unit may reduce the range or reception. Obstructions
can be minor, such as a wall constructed with wood and plaster that absorb some of the signal;
obstructions can also be significant, such as metallic surfaces or objects. For example, kitchen appliances
may deflect the signal. Certain housing construction materials (e.g., metallized insulation) can also
obstruct the signal.
Installation and Removal
The following section describes beacon installation, removal, cleaning, and battery replacement
instructions.