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8-2 One-Touch Calibration For The GX-A Series
This function calibrates the balance using the internal mass.
Step1 Connect the AC adapter and warm up the balance for at least 30 minutes with nothing on the
weighing pan.
Step 2 Press the CAL key.The balance displays Calin and performs calibration using the internal
mass. Do not allow vibration or drafts to affect the balance.
Step 3 The balance displays end after calibration. If the "GLP output (info)" parameter of the function
table is set to "1" or "2", the balance displays glp and outputs the "calibration report" using the
RS-232C interface or stores the data in memory. Refer to "11-3. GLP Report" and "Data memory
(data)" of the function table for details.
Step 4 The balance will automatically return to the weighing mode after calibration.
About the internal mass
The value of the internal mass may change due to aging, corrosion or other damage caused by the
operating environment. Check the internal mass periodically. Correct the internal mass value as necessary.
Refer to "8-5. Correcting the internal mass value".
To maintain the weighing accuracy, perform the calibration using an external weight periodically, as
described below.
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