Points to remember when using the instrument – Checkline MK-720 User Manual
Page 5

iii
●
Points to remember when using the instrument
Ignoring this caution constitutes improper use of the instrument and
presents a risk of causing fatality or serious injury.
Be careful of abnormal
conditions.
If the checker is used under abnormal conditions, e.g. when the checker is
emitting smoke or a strange smell, there is a serious risk of fire or electric shock.
If you detect abnormal conditions, immediately turn off the power, unplug the AC
adapter from the outlet or disconnect the rechargeable battery pack and contact
the vendor from which you bought the product.
When object to be measured and peripheral devices are under hot line condition,
do not put yourself and the checker closer to high-voltage area while measuring.
When approaching high-voltage area, make sure to use insulated gloves or
implement measures for insulation.
When working with machines that are operating, never touch or try to touch any
movable or moving part of a machine. Also, do not position yourself or any part of
any part of your body in any area where there is risk of being caught by or
between machines.
Do not look into a laser light-emitting part.
Do not tune a laser to eyes of human or animals.
Do not let the children use.
Make sure to remember location of emergency stop button and circuit breaker
so that whenever and wherever you can.
Never position yourself or any part of your body inside a machine that is
operating, for any reason.
Never perform measurements in unsecured or unstable positions, or with both
hands occupied.
Do not perform measurements during thunderstorms.
Avoid water and foreign matter!
If any foreign matter (e.g. metal pieces, water, liquid) gets inside the product,
immediately turn off the power switch, remove a battery, and cotact the vendor
from which you purchased the checker.
Do not drop the instrument.
If the checker becomes damaged, is dropped or given a strong physical shock,
so that it becomes damaged, please contact the vendor from which you
purchased the instrument after turning off the power switch and taking out the
battery pack. Ignoring this warning and continuing to use the checker may lead to
result in fire or electric shock.
Do not disassemble the instrument.
To avoid the risk of fire or injury, do not disassemble or modify the instrument.
Wa i :