3M TD4i, Installation & Operation Manual

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3M Electronic Monitoring
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4.1.3 Offender Information in the 3M™ Offender Management Software
Verify the following Offender details in the 3M™ Offender Management Software application:

Offender’s name and address

Offender’s program type – 1 Piece

Equipment serial numbers –these must match the serial numbers on the equipment you are
planning to install

SIM card details
For more information about working with the 3M™ Offender Management Software, refer to the One-
Piece GPS Offender Tracking Operational Guide
.
4.2 Setting Up the 3M™ Curfew Unit
The Curfew Unit is an RF device that monitors the offender’s presence in a fixed curfew area.
Figure 6: 3M™ Curfew Unit
The ideal location for the Curfew Unit is:

As close as possible to the center of the curfew site

On a flat and secure surface

1m above the ground and at least 30cm away from the wall

Not close to the ceiling
Make sure the Curfew Unit is located far away from:

Television sets or other electrical appliances

Microwave ovens

Personal computers or laptops

Heat sources such as a radiator, air duct, or direct sunlight

Excessive moisture or extremely low temperatures

Mirrors or reflective materials