WLA300 Rev170606
25
Linear Calibration
This linear calibration procedure can only be used for square or rectangular shape
tanks with no irregularities. The calibration process requires that the tank be full at the
start of the procedure.
The term ‘swipe’ means to move the magnet up to and then away from the
C 1 or C 2 sensors on front of the display.
Note: To exit the calibration mode without saving any new calibration, reset
the power to the display.
1. Fill the tank. (Do not ll up into the ll tower.)
2. Apply power to the display module.
Note: Once the calibration program is activated there is a six second time out.
Do not wait more than six seconds to move from step 3 to step 4.
3. Swipe the magnet four times at C 1 and four times at C 2 to enter the
calibration mode. (Do not wait more than six seconds in between swipes or
the session will time out.)
Wait until the top four and bottom four display LEDs alternatively ash on
and off. (See the diagram below.)
4. While the LEDs are still ashing, hold the magnet at C 2 for ve seconds to set
the calibration into memory.
5. After a few seconds the calibration process will terminate and all the LEDs
will go on to show that the tank is full.
C1
C2
At Step 4 - Top four and bottom
four LEDs will ash alternatively
on and off
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