3. CONNECTION / WIRING
1. Connect the earth cable of the power cord to the earth terminal.
2. Do not damage the power cord (folding it small, pulling it or putting a heavy object on it etc.).
Also, do not remodel it.
Especially at the time of installation, keep enough space for the power cord to prevent it from being
damaged or failure.
3. If the cord is damaged (disconnection, failure of coating etc.), replace it with the new one.
It can result in electrical shock or fire.
4. Insert the power cord in the outlet and this device securely.
If it is not connected securely, it can result in fire or electrical shock.
5. Clean the power cord all the time to avoid dust or oil etc.
It can result in malfunction or fire if the terminal unit is not clean.
6. Check if the terminal unit is dirty when the power cord becomes hot.
If it is not dirty, replace it with the new one. It can result in fire or malfunction if you keep using it.
7. Use this device with the proper power-supply voltage.
If the power-supply voltage is excess, it can result in malfunction or fire.
8. Hold the plug unit when plugging in and out.
9. Do not touch the power plug with wet hands. It can result in electrical shock.
10.Plug out the power cord when it is not used for a long time.
4. MAINTENANCE / INSPECTION
1. This device is a precision optical device. Always handle it with care and do not drop it.
2. Do not touch the optical parts, such as a view window, with your hands and be sure to avoid dust because
its measurement accuracy could be adversely affected.
When dust or fingerprints are on the optical parts, wipe them off with a soft cloth gently. Take
great care when cleaning them because they are particularly sensitive and fragile.
3. If the measurement unit cover, main unit cover or operation panel is dirty, gently wipe it with a dry cloth.
For stubborn stains, a little water or neutral cleanser is recommended.
Avoid using organic solvents which will dissolve the water based paint on surface of the device.
4. Clean the chinrest and headrest with the neutral cleanser. For disinfecting the parts especially where the
examinee may contact such as the chinrest and headrest, use the ethanol for disinfection.
• Ethanol for disinfection contains 76.9 to 81.4vol% of ethanol (C
2
H
6
O) at 15°C (specific gravity).
Basically, it is not necessary to replace the chinrest and headrest rubber. They comply with ISO 10993-1.
5. If the device is not used for a long time, remove the power cord from the outlet.
6. When the device is not in use, protect it with a supplied dustproof cover.
If dust is adhered, it affects its measurement accuracy.
7. Never attempt to fix or remodel the device.
When the device fails to function properly, do not touch the inside.
Contact us or the place of purchase.
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