How To Calibrate A Scale With Household Items. Turn it on, hit the mode button for 3 seconds and it will say cal, then hit the mode button again and it will display the amount needed to calibrate the scale (most are 500grams). Simply weigh something on that scale and use that same item to calibrate your scale.
When the scale is turned off, press the 'on/off' key to turn on the scale. Calibrating a scanner for color print use isn’t difficult and can be adjusted by changing each of three color settings via installed software specific to your scanner model (related calibration software can usually be downloaded directly from manufacturer’s sites from all major vendors; The calibration display will then read the zero point, 0.0. press the cal key again and hold it for two to three seconds to wait for.
One should repeat this same process unless they do not get the correct weight shown by the bathroom scales.
This means the scale is now in calibration. As long as you know the exact weight of the item, you can use it to calibrate the scale. Press and hold the 'mode' key until the display shows 'cal', then release the button. The scale must be completely clean so nothing interferes with the calibration process.