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Preface
Thank you for purchasing this product. This user manual contains the
functions and operation procedures of the instrument. In order to ensure the
correct use of the instrument, please read the manual carefully before
operating the instrument. Please keep the manual in a safe place so that you
can read it quickly if you encounter a problem.
Unpacking Inspection
When the user unpacks the instrument for the first time, please check
the instrument and accessories against the packing list. If the instrument or
accessories are found to be wrong, incomplete or abnormal, please contact
the seller or manufacturer.