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5-6
5.4.3 Maintenance of main unit
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When disconnecting cords, do not apply excessive force on the cord;
for example, do not hold and pull the cord to disconnect it.
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Do not touch the connection terminal surface of the main unit or
measurement probe.
Wipe off dirt on the main unit by lightly rubbing with a well wrung cloth dampened
with water and then with a dry cloth. When it is very dirty, clean it by lightly
rubbing with a well wrung cloth dampened with diluted neutral detergent. Then,
wipe it with a cloth dampened with water and then with a dry cloth.
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Do not leave any water, chemicals, etc. remaining on the touch panel as
the surface of the touch panel is vulnerable to moisture. The surface of
the touch panel may be damaged and unable to maintain the
appropriate performance.
Wipe off dirt on the surface of the touch panel with a dry soft cloth. When it is very
dirty, lightly wipe it with a soft cloth dampened with alcohol. Further, wipe it with a
dry soft cloth to completely remove moisture.
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