American Weigh Scales AMW-250M - 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 first 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**
AMW-150M: 100g calibration weight
AMW-250M: 200g calibration weight
1. Turn ON the scale and wait until “0.0g” displays.
2. Press and hold the [CAL] key until the display
shows “CAL” and then “0.0g”.
3. Press [CAL] again. Now the display will show the re-
quired calibration weight (ie, for AMW-250M - “200g”)
4. Place your calibration weight on the center of
platform. Wait 3-4 seconds. Press the [CAL] key once
more and the display will show “PASS”.
5. Remove the weight and press [ON/OFF] to turn off