B-1
A
PPENDIX B FACTORY CALIBRATIONS
B.FACTORY LINEARITY CALIBRATIONS
The Scout Pro service and factory linearity calibrations use three calibration points; zero, mid-scale
and full scale.
B.1 SERVICE CALIBRATION
This calibration is used when an error 2 has been displayed by the balance. The calibration is
performed with no error checking and is saved as a user calibration. It is not a factory calibration
because no data is written to the EEPROM.
1.
Start with the unit off.
2.
Press and hold both the
ON/ZERO
Off
and the
Unit
buttons until the display reads
rAMP.
3.
Press and release the
Unit
button. The display will show
Lin
.
4.
Press and release the
On/Zero
Off
button. The display will show -
C-
blinking and then the
first mass value.
5.
Place masses totaling this value on the balance and press the
On/Zero
Off
button.
6.
Press and release the
On/Zero
Off
button. The display will show -
C-
blinking and then the
second mass value.
7.
Place masses totaling this value on the balance and press the
On/Zero
Off
button.
8.
Press and release the
On/Zero
Off
button. The display will show -
C-
blinking and then
donE
followed by
Lin
.
9.
Repeatedly press and release the
Unit
button until the display shows
END
.
10. Press and release the
On/Zero
Off
button. The balance will return to the weighing mode.
B.2 FACTORY CALIBRATION
This calibration must be used when either a PC board or a transducer is replaced.
1.
Remove power from the balance.
2.
Install an RS232 option with the pins shorted. See Appendix A.3. If the RS232 option is
not available, pins 2 and 7 of IC9 may be shorted using a micro alligator clip. See Figure
B-1.
CAUTIONS
1. Be very careful that no other pins are shorted, this could destroy the IC.
2. Do not attempt to solder the jumper.
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