American Weigh Scales (AWS) CG-500 - Manual (Page 4)

6. Remove the sample quantity from the platform.
7. You now can place any amount of your item(s) on
the scale and the LCD will display a count.
8. You can switch between weighing mode and
counting mode by pressing [ MODE ] or [ PCS ] key
respectively.
IV. CALIBRATION
Calibration is NOT required before first use. Only
calibrate if the scale is not weighing properly.
The CG-500 calibrates with a 500g weight*
The CG-50 calibrates with a 50g weight*
*Weights not included.
1. Turn on the scale by pressing the [ ON/OFF ] key.
2. Wait until the LCD displays “0.0” or "0.00", then
press and HOLD the [ MODE ] key for 3 seconds. The
LCD will display “CAL”. You may now release the
[ MODE ] key.
3. Press the [ MODE ] key again. The LCD will display
“CAL” followed by the required calibration weight (see
above).
4. Place the required calibration weight on the center
of the platform. The display will show “PASS” and
return to normal weighing mode.
5. Put away the calibration weight and press
[ ON/OFF ] to turn off the scale and the calibration is
finished!