7. Cautions in handling of the blue LED
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For lightening the needle tip, this unit uses a blue LED instead of a conventional
lamp. The blue LED is very much sensitive to static electricity; therefore, be
especially careful of handling it.
Be careful of destruction by the static electricity
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This LED may be destroyed or worsened by the static electricity charged in
clothes and human bodies. When handling and repairing the LED, be especially
careful of such destruction. Be sure to take necessary measures such as wearing
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