General Measure GMT-H1, Operating Instruction

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Key Cancel: Press Key to exit the automatic zero
calibration interface.
Key confirmation: Press
Key to complete zero calibration
(zero calibration operation can be completed only in a stable state.Otherwise,
an alarm interface will pop up.
Note: 1) Automatic zero calibration defines the current state as
zero.The platform should be emptied before execution.
2) Record "current sensor millivolt value", so as to carry out
"input zero calibration" when it is inconvenient to empty the platform.
[Input zero calibration]
Manually input millivolt value for weightless calibration.
5.2 Weight calibration of weights
Calibration steps:
1） Enter the weight calibration interface
2） Add weights to the weighing table
3） Valid until stable output
4） Enter the weight corresponding to the weight value