American Weigh Scales (AWS) ONYX - Manual (Page 5)

Place the scale on a flat and level surface. •
Press • to turn the scale on.
Place the empty container onto the scale and wait for •
the display to stablize.
Press the • key briefly to zero the scale. The TARE
indicator will light up on the display.
You may now add the item(s) to be weighed to the •
container. The display will show only the weight of the
contents.
VIII. Calibration
This scale has been calibrated before shipment. However,
re-calibration may be necessary from time to time. To
perform calibration, follow these instructions:
Press • to turn the scale on and wait for the
display to show zero.
Tap the • button 4 times and keep it held on the
4th tap.
Release the • key when the display shows the ISN
number.