American Weigh Scales (AWS) MSC-650 User Manual
Page 5

be weighed. The display will show the net weight of
the contents.
4. To return to normal weight display (gross weight),
remove any items from the weighing platform and
press the
key again to re-zero the scale.
VIII. Calibration
Calibration and adjustment are performed at the factory.
However, the weighing range can shift slightly during
shipping. Also, due to changes in local acceleration of gravity
around the world, adjustment is recommended when moving
the scale from one location to another. To check calibration:
1. Place the required calibration weight on the scale
and note the displayed value.
2. If the displayed value is not within acceptable
tolerance (see chart below), adjustment is required.
Model
Acceptable
Tolerance (±)
Calibration
Weight
Recommended
Accuracy Class
MSC-200
0.02g
200g
OIML M2
MSC-650
0.2g
500g
OIML M2
IX. MSC-200 Adjustment
MSC-200 Calibration Adjustment
1. Turn the scale OFF.
2. While holding the M key, tap the
key to turn the
scale on then release both keys.
3. The display will show a random number, press the [
M ] key again.
4. The display will flash “200.00”. Place the required
weight on the platform and wait for 3 seconds.
5. The display will show “PASS” and “200.00”. Remove