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4.Precautions during use
1. Handle with care since shock can damage the outside or the inside.
2. Precision measurement may be affected when the product is exposed to direct sunlight or too bright
indoor illumination. It is recommended to measure at a dark eye examination room.
3. Get guidance at the place of purchase when using the device by connecting with other equipment.
4. When heating up the inside at a cold area all of the sudden, vapor may result on the object lens of the
customer side and on the optical parts at the inside of the device. In this case, measure after waiting
for the vapor to disappear.
5. Main the object lens from the customer side that is subjected to the test clean at all times. Error may
result or precision measurement may be affected if tainted with dust or alien substance.
6. Take out the power plug to separate the power when there is smoke, smell or noise during use. Then,
follow the instructions of the place of purchase.
7. Do not use alcohol, thinner, benzene and organic solvent to clean this equipment’s surface since
these may damage the equipment.
8. When moving the LRK-7000, turn off the power switch always, and fixate the stage. Then, move by
lifting up with lower part of the body with both hands.
9. When LRK-7000 is not used for a long time, separate the power and cover it with the dust cover.
10. When using this equipment under normal state, then the proper location is as shown below.
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