You can run some applications simultaneously on the Trex unit, while other applications
may require the same hardware and cannot run at the same time. An error message is
displayed on the screen when that occurs. Applications, such as the Field Communicator
application and Settings, can run simultaneously. To switch between applications that can
run simultaneously, tap the status bar at the top of the screen and tap Apps. You can then
select the open application you want to view and use.
You can purchase new applications or get updates to applications from Upgrade Studio.
See the Upgrade Studio Help for more information.
Related information
Home screen
View the application version number
2.11.1 Activation
After you receive the Trex unit, it is recommended that you activate it using Upgrade
Studio. Activation allows you to receive and install updated content on the Trex unit, as
well as give you access to additional applications. Some applications may require you to
purchase a license.
A reminder message is displayed each time you power on the Trex unit until activation is
completed.
2.11.2 Close an application
You can close an application by tapping Exit in the application, or you can use the Settings
to close it.
Procedure
1. Tap Settings or the status bar at the top of the screen.
2. Tap Apps.
All open applications are displayed.
3. Select the X next to the application name.
2.12 USB communication
The Trex unit supports USB communication with PCs. The Trex unit has a micro USB port
on the top left corner of the unit. The required USB driver is automatically installed with
Upgrade Studio and AMS Device Manager. You can:
• transfer files to the Trex unit, using Upgrade Studio
• pair the Trex unit with an AMS Device Manager system to synchronize data
To help ensure proper communication between the Trex unit and the PC, do not use a USB
2.0 cable that is longer than 2 meters. Do not connect more than one Trex unit to an AMS
Device Manager station at one time.
User Guide AMS Trex Device Communicator overview
September 2021
User Guide 39
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