WLA300 Rev170606
24
Non-Linear Calibration
This non-linear calibration procedure can be used for any shape or size tank. The
calibration process requires that the tank be empty at the start of the procedure and
then lled at a steady rate of ow.
The term ‘swipe’ means to move the magnet up to and then away from the C 1
and 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. Empty the tank.
2. Apply power to the display module.
3. Swipe the magnet three times at C 1 and three times at C 2 to enter the calibration
mode. Hold the magnet at C 2 for ve seconds to activate the calibration.
Result: Top three display LEDs and bottom three LEDs ash on and off.
Note: Once the calibration process is activated the ow rate of liquid into the
tank must remain constant for the procedure to be accurate.
4. Fill the tank at a steady rate of ow.
Note: As the tank is lling up, the display will simulate a visual "ll-up"
light pattern.
5. When the tank is full stop the ow.
6. Hold the magnet at C 2 for ve seconds to set the calibration into memory.
7. After six seconds the calibration process terminates and all the LEDs are on
to show that the tank is full.
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