Quick buttonsFigure 4-17:
Procedure
1. On the Loop Diagnostics screen, tap Trex Unit Current > More Options > Quick Button
Selection.
More Options does not appear unless the Trex Unit Power or Trex Unit Current is enabled.
2. Tap one of the Quick Button Selection options.
3. Enter a new value for the button, and tap OK.
4. Repeat until all buttons are set as desired.
5. Tap Back to save the changes and return to the Loop Diagnostics screen.
4.10.2 Change the scale for the up and down arrow keys
The Loop Diagnostics screen has up and down arrow keys that let you manually adjust the
current in small increments to slowly move a valve. The default increment is 0.1 mA, but
you can adjust the scaling.
Loop Diagnostics application
142 User Guide
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