Siemens Sitrans LR250 Operating Instructions Manual page 87

After Auto False Echo Suppression
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
52.)
To set Auto False Echo Suppression via the handheld programmer:
Options
c.
d)
e)
2.5.10.2. Auto False Echo Suppression Range
Defines the endpoint of the Learned TVT distance. Units are defined in Unit
(2.3.1.).
Values
a)
b)
c)
7ML19985JF04 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
Auto False Echo
Suppression
Range
learned
TVT
false echo
OFF Default TVT will be used.
* ON 'Learned' TVT will be used.
LEARN 'Learn' the TVT.
Go to Auto False Echo Suppression Range (2.5.10.2.) and enter the
value calculated in step b).
Go to Auto False Echo Suppression (2.5.10.1.) and press RIGHT
ARROW to open Edit Mode
Select Learn. The device will automatically revert to On (Use
Learned TVT) after a few seconds.
Press RIGHT ARROW to open Edit mode.
Enter the new value and press RIGHT ARROW to accept it.
Set Auto False Echo Suppression (2.5.10.1.)
material level
echo marker
Auto False Echo Suppression
Range: 0.00 to 20.00 m
Default: 1.00 m
default
TVT
on page
Page 81