American Weigh Scales (AWS) TL-330 - Manual (Page 3)

I. OPERATION
Place Scale on a horizontal flat surface.
1. Press the [ ON/OFF/TARE] key.
2. Wait until "0.0” is displayed.
3. Place the object to be weighed on the hook.
4. Using the [UNIT] key, you can switch between
weighing units.
II. TARE WEIGHING
1. Turn on scale as described above.
2. Place a container such as a bucket on the hook.
3. Press [ON/OFF/TARE] once and wait until "0.0" is
displayed.
4. You may now add items to the container to obtain only
the weight of the contents.
III. CALIBRATION
This scale has been calibrated at the factory prior to
shipment. Do not attempt calibration unless you are
having trouble obtaining accurate weight results.
Use caution when calibrating. This scale requires a
substantial amount of weight to calibrate properly. Only
use certified weights.
1. Turn OFF the scale.
2. Press and hold the [UNIT] & [ON/OFF/TARE] keys at
the same time, until a random number displays. You can
now release both keys.
3. Press the [ON/OFF/TARE] key once. The display will
show the required weight in KG or LB (depending on the
mode used last).
4. Place the required weight onto the scale and press
the [ON/OFF/TARE] key once more. The display will
show "PASS" and return to normal weighing. Calibration
is complete!