Installation Guide: 3M™ One-Piece GPS (TD4i) Offender Tracking System and Curfew Unit
16
4
Installing the One-Piece GPS Unit
Installing the One-Piece GPS Unit involves:
Assembling the appropriate equipment
Verifying that the Offender is registered in the 3M™ Offender Management Software
Activating the unit
4.1
Before Installation
Before leaving the monitoring center, check that you have the correct installation kit and the appropriate
installation tools. In addition, verify that the Offender is correctly registered in the 3M™ Offender
Management Software application.
4.1.1
Installation Equipment
The kit of installation equipment should include the following items:
One-Piece GPS unit
Power adapter
Curfew Unit
1 strap
2 tamper plugs
2 pin trays
4.1.2
Installation Tools
You will also need the following installation tools:
Strap installation tool – for measuring and cutting the strap
Flat head screwdriver – for removing tamper plugs
The One-Piece GPS unit’s battery must be fully charged.
Press and hold the Activation button for one second to check the battery’s status –
see Figure 1:
One-Piece GPS Unit Main Components
.
If the PWR LED flashes green, the battery is fully charged.
If the PWR LED flashes red, the battery is not fully charged and must be charged for at
least 60 minutes.
