American Weigh Scales SM-DR - Manual (Page 3)

I. OPERATION
Place Scale on a horizontal flat surface.
1. Press [ ON ] key.
2. Wait until "0.0" or "0.00” is displayed. "S" should
appear in the top left corner to indicate the scale is
stable.
3. Put the object(s) on the weighing platform.
4. Using the [ MODE ] key, you can switch between
weighing units.
II. TARE WEIGHING
1. Turn on scale as described above.
2. Place the "tare item" on the platform.
3. Press [ TARE ] and wait until "0.0" or "0.00" is
displayed.
4. Add the "net-weight-item".
III. CALIBRATION
Calibration is NOT required before first use. Only
calibrate if scale is not weighing properly. Make sure
you are using the correct weight (not included) for your
scale. All models may calibrate with a 100g weight*,
but the default and recommended weight values are
as follows:
SM-200 : 200g Calibration Weight
SM-500 : 500g Calibration Weight
SM-501 : 500g Calibration Weight
SM-DR : 500g Calibration Weight
1. Hold the ON key until the display shows "8888" then
release.