Hitachi GR2000 Series Installation Manual page 30

GR2000 Installation Guide
Other Instructions
Cleaning
Clean the device only with a clean, dry cloth or use a cloth that has been
dampened with water or another pH-neutral liquid and thoroughly wrung out.
Do not use volatile organic solutions such as benzene or paint thinner,
chemicals, chemically treated cloths or pesticides, which may deform, discolor or
damage the device.
Storage
Unplug the power cable from the outlet when the device is not used for long periods.
xxx GR2K-GA-1002
Rev. 6.03