OpenEye OE4 - Manual (Page 6)

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NOTES ON CLEANING
Use a soft dry cloth for cleaning.
For stubborn dirt, soak the cloth in a weak detergent solution, wring well and wipe. Use a dry cloth to wipe it dry. Do not use any type of
solvent, such as thinner and benzene, as they may damage the surface of the HVR.
If using a chemical saturated cloth to clean the unit, follow that product’s instructions.
NOTES ON MAINTENANCE
This HVR is designed to last for long periods of time. To keep the HVR always operational we recommend regular inspection maintenance
(cleaning parts or replacement). For details, contact the nearest dealer.
NOTES ON MOISTURE CONDENSATION
Moisture condensation damages the HVR. Read the following information carefully.
Moisture condensation occurs during the following cases:
When this product is brought directly from a cool location to a warm location.
When this product is moved to a hot and humid location from a cool location.
When this product is moved to a cool and humid location from a warm location.
When this product is used in a room where the temperature fluctuates.
When this product is used near an air-conditioning unit vent
When this product is used in a humid location.
Do not use the HVR when moisture condensation may occur.
If the HVR is used in such a situation, it may damage discs and internal parts. Remove any CD discs, connect the power cord of the HVR to
the wall outlet, turn on the HVR, and leave it for two to three hours. After two to three hours, the HVR will warm up and evaporate any
moisture. Keep the HVR connected to the wall and moisture will seldom occur.