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Foreword
Thank you for purchasing the TOPCON Data Collector FC-120 series.
For superior product performance, please read this instruction manual carefully and keep it in a
convenient place for future reference.
General Handling Precautions
• Before starting work or operation, be sure to check that the instrument is functioning correctly with
normal performance.
• Always make sure instrument is dry before putting it in the soft case. Never store a damp
instrument.
• Do not leave the instrument under strong sunlight for a long time. It may cause the instrument to
malfunction.
• When waterproofness is necessary, close all the caps securely. However, the serial connector has
a waterproof structure, so it will remain waterproof even if its cap is not closed.
