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When indicator is packed before leaving factory, there is also a 15 pins RS232 plug, called
calibration plug which is used to set the related coefficient between the indicator and load
cells.
When the indicator is working, the calibration plug should not be plugged in. Any time
when the plug used, following process should be adopted. Power off－Plug in－Start－Set
coefficient－plug out
Errors caused by power intermit, please press [check] or shut down power
and reset.
1. Power off——calibration plug is plugged into the 15 pins RS232 jack in the back of
the indicator.（Note：The 15 pin plug stuck with "Calibration Plug" in the box before
leaving factory is just the calibration plug）.
2. Correctly connect the load cells, turn on power, the indicator adopts self inspection of
strokes and sound. After then, turn into working states.
3. If deadlock (no response to key press under weighing state)， you can turn off the power
and plug in the calibration plug. During the self inspection of strokes and sound, press
[Calibration] and enter the calibration state to modify the deadlock caused by
calibration error; press [Check] can inquire the ISN of each load cell (Please refer to
chapter 4 for detailed instruction). Through this you can find which load cell or line is
malfunction.
4. Calibration and parameter setting. Operation is as following form: (*：is original value,
load cell serial is started from 01, if there are 4 load cells, then their serial number will
be 01、02、03、04. The units of weight value that this indicator displays are all kg.
Operation Process of Calibration:
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Chapter 6: Calibration
Page 18 of 38
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