Ams trex™ Device Communicator

Procedure
Note
You should only enable Diagnostic Logging when directed by Emerson service personnel.
From 
Settings
→
Field Communicator App Settings
tap 
Diagnostic Logging
to ON.
2.11
Applications on the Trex unit
The Home screen displays all the applications installed on the Trex unit. Open applications
by tapping the icon on the Home screen.
Field Communicator, Settings, and Trex Help applications do not require activation to
work. Other applications on the Trex unit may be disabled until you activate the Trex unit.
You can use Upgrade Studio to activate the Trex unit. Other applications may be disabled
because you did not purchase a license for the functionality, or the Trex unit does not have
the required communication module.
AMS Trex Device Communicator overview
User Guide
September 2021
38
User Guide

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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.