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Reference Manual
00809-0100-4840, Rev CB
Section 5: Service and Troubleshooting
February 2015
Service and Troubleshooting
5.5.7 Setting valid echo count (on the 3102/3105)
Screen display: Stir
Factory default value: 4
This parameter is normally used in vessels with a stirrer or agitator, particularly if there is slow
movement. The transmitter may detect uncovered blades and treat them as a valid echo and
calculate an incorrect level reading.
Note
This menu option is in the engineering menu “Eng”. See “Accessing the engineering menu (on
the 3102/3105)” on page 62 or see Figure C-5 on page 106 for a map of the menu structure.
To change the valid echo count:
1. After entering the “Eng” menu (see the note above), press the green button
repeatedly until “Stir” is indicated.
2. Press the blue button
to enter the stirrer (“Stir”) menu.
The display indicates the present valid echo count.
3. If the value indicated is correct, press the red button
and then press the green button
to get to the next menu option. Otherwise, continue with step (4).
4. Press the blue button
to start the editing mode. The valid echo count flashes to
indicate it can be edited.
5. Press the green button
repeatedly to scroll through the options available (1 to 100).
6. Press the blue button
to confirm the new setting. (The flashing stops).
7. Press the red button
to save the new setting if it is correct, or press the blue button
to not save. Afterwards, depending on the button pressed, either the “Stir” menu or the
next menu appears.
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