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 screen, tap
More Options does not appear unless the Trex Unit Power or Trex Unit Current is enabled.
- Enter a value between 0.04 to 10.00 mA.
- Tap OK.
- Tap Back to save the changes and return to the Loop Diagnostics screen.