Reference Manual
00809-0100-4026, Rev FA
July 2009
7-13
Rosemount 5400 Series
Threshold Settings
To adjust the amplitude thresholds:
1. Select HART command [2, 5, 2].
The different echo curve options appear on the display:
2. Option 1 Measure and Learn creates an Amplitude Threshold Curve
(ATC), see “Amplitude Threshold Curve” on page 5-11 for more
information.
Option 2 Set Threshold lets you specify a constant Surface Threshold.
3. Click the SAVE button to store the new settings in the transmitter
database.
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