American Weigh Scales HS-150 User Manual
Page 3

I. OPERATION
1. Press [I/O] key.
2. Wait until “0.0” is displayed.
3. Put the object(s) on the weighing platform.
4. Using the [M] key, you can switch between the
weighing units.
II. TARE WEIGHING
1. Turn on scale as described above.
2. Place the “tare item” on the platform.
3. Press [T] and wait until “0.0” is displayed.
4. Add the “net-weight-item”.
III. CALIBRATION
Calibration is NOT required before fi rst use. Only
calibrate if scale is not weighing properly.
**Make sure you use the correct calibration weight for
your scale or the calibration will not be accurate.
1. Turn OFF the scale.
2. Press [I/O] shortly. Then immediately press and hold
[M] until “CAL” is displayed. Release the [M] key.
3. Press [M] again. Now the display reads “CAL” and
the “100.0” will fl ash 3 times.
4. Place your calibration weight on the center of
platform. Wait 3-4 seconds. The LCD display reads
“PASS” then “100.0”.
5. Remove the weight and press [I/O] to turn off the
scale. Finished! Repeat if needed.
Please check the availability of weights at the store
you bought your scale from.