Operating Instructions

Table Of Contents
4. Go to Auto False Echo Suppression (2.8.7.1.) and press RIGHT arrow to open Edit Mode.
5. Select Learn. The device will automatically revert to On (Use Learned TVT) after a few
seconds.
After Auto False Echo Suppression
5
2
1
3
4
6
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false echo material level
learned TVT default TVT
Auto False Echo Suppression
Range
echo marker
To set Auto False Echo Suppression via SIMATIC PDM:
Open the menu Device – Echo Profile Utilities and click on the tab Auto False Echo
Suppression. For more detailed instructions see Auto False Echo Suppression via SIMATIC
PDM (Page 74).
To set Auto False Echo Suppression via the handheld programmer:
Options OFF Default TVT will be used.
* ON ’Learned’ TVT will be used.
LEARN ’Learn’ the TVT
a)
.
a)
The learned TVT takes effect only at the next measurement.
Auto False Echo Suppression Range (2.8.7.2.)
Note
Changes take effect only at the next measurement. "Master reset" does not clear the learned/
stored TVT, select "Off" to turn it off or "learn" for a new TVT. See Master Reset (4.1.)
Parameter reference
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 127