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Check & Adjust
During the manufacturing process, the instrument errors are carefully deter-
mined and set to zero. As mentioned above, these errors can change and it is
highly recommended to redetermine them in the following situations:
•
Before the first use
•
Before every high precision survey
•
After rough or long transportation
•
After long working periods
•
After long storage periods
•
If the temperature difference between current environment and the
temperature at the last calibration is more than 20°C