Endress+Hauser Levelflex FMP53 FOUNDATION Fieldbus Operating Instructions Manual page 132

Operating menu
Signal quality
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Description
Additional information
Confirm distance
Navigation
Description
Selection
Factory setting
3) Of these two echos the one with the lower quality is indicated.
* Visibility depends on order options or device settings
132
 Setup → Signal quality
Displays the signal quality of the evaluated echo.
Meaning of the display options
• Strong
The evaluated echo exceeds the threshold by at least 10 mV.
• Medium
The evaluated echo exceeds the threshold by at least 5 mV.
• Weak
The evaluated echo exceeds the threshold by less than 5 mV.
• No signal
The device does not find a usable echo.
The signal quality indicated in this parameter always refers to the currently evaluated
echo: either the level/interface echo
these two, the quality of the end-of-probe echo is always displayed in brackets.
In case of a lost echo (Signal quality = No signal) the device generates the following
error message:
• F941, for Output echo lost (→  155) = Alarm.
• S941, if another option has been selected in Output echo lost (→  155).
 Setup → Confirm distance
Specify, whether the measured distance matches the real distance.
Depending on the selection the device automatically sets the range of mapping.
• Manual map
• Distance ok
• Distance unknown
*
• Distance too small
*
• Distance too big
• Tank empty
• Delete map
Distance unknown
Levelflex FMP53 FOUNDATION Fieldbus
3)
or the end-of-probe echo. To differentiate between
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Endress+Hauser