Just like any electronic device, a digital Health o meter requires proper setup to function correctly. The scale may not register at 0.0 when starting out if the batteries are low or have been changed recently, if you have moved the scale to a new location in your home or if the scale is new. To correct this situation, you will need to calibrate the scale, and set it to 0.0.
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Remove the shipping plate from the bottom of the scale.
Set the scale to either LBS or KG by adjusting the switch on the back of the Health o meter scale.
Place the scale on a flat surface. Avoid placing the scale on carpet or rugs. A hard surface will provide a more accurate result.
Tap the lower corner of the scale with your foot. This will calibrate the scale and will set the scale at 0.0.
Confirm that the scale is set at 0.0. Weigh yourself and make sure that the scale started at 0.0.