A&D SB-30 Instruction Manual page 10

Calibration /
Continued
To calibrate the scale:
1. If you are already in Setup Menu Mode, scroll to "F 12" and press the ZERO key. Otherwise,
turn the scale off and set the Calibration Switch on the back panel to the opposite position.
Turn the unit back on.
The message "C 0" appears on the display briefly, followed by a value which remains on the
screen. Allow a 20 minute warm-up period for the load cell and other electronics to become
thermally stable.
2. Press ZERO to zero the value, then press the NET/GROSS key to save the zero point value.
3. The display will momentarily prompt "C 1" for the span calibration, followed by "0.00" with one
digit flashing. Place the test weight on the platform.
4. Use the four directional keys to adjust the displayed value to the actual test weight value in
pounds. Increase the flashing digit by pressing the lb/kg key. Decrease the flashing digit by
pressing the ZERO key. The position of the flashing digit may be changed by pressing the
PRINT key or the TARE key.
5. After setting the exact value, press the NET/GROSS key to save the value.
6. If the calibration was successful, the display will show "ECAL" momentarily, then freeze. Exit
the Calibration mode and enter the Normal Operating Mode by positioning the Calibration
Switch back to its original position.
7. If the calibration was not successful, one of the error messages below will appear. Take the
indicated action to correct the problem, then perform a new calibration.
"Err0" - The calibration test weight or the adjusted keyed-in weight is larger than full scale.
Change the calibration test weight or check the keyed-in weight.
"Err1" - The calibration test weight or the adjusted keyed-in weight is smaller than 1% of full
scale. Change the calibration test weight or check the keyed-in weight.
"Err2" - Check keyed-in weight with the actual weight placed on platform.
To place the unit back into the Normal Operating mode:
1. Toggle the Calibration Switch back to its original position.
2. The display will go through a digit check, then settle into Normal Operating mode. All front
panel keys will now return to their normal mode of operation.
10
Revision 04/2001