6
Precautions
Power source
The input power source for this product is 100 V AC to 240 V AC, 50 Hz/60 Hz. Do not connect to the outlet
that provides the power to equipments that requires a measurable amount of power (such as a copy machine,
air conditioner, etc.). Avoid placing this product in locations where is subject to water.
Ambient operating temperature
Use this product at temperatures b5 °C to +40 °C. Failure to do so may damage the internal parts
or cause malfunction. Performance and lifetime of hard disk drives are easily affected by heat (used at high
temperature). It is recommended to use this product at temperatures b20 °C to +30 °C.
Power cable
Connect the power cable firmly. Align the connected power cable not to be pulled/stressed. To cut the power
supply, unplug the power plug of this product from the AC outlet. When using the power supply control unit,
turn off the power of the power supply control unit.
Built-in backup battery
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The built-in battery life is approximately 5 years as an indication of replacement. (The built-in battery life
may become shorter depending on the use condition.) Replace the built-in battery after 5 years of use.
(“5 years of use” is just an indication of replacement. We are not providing any guarantee of the built-in
battery lifetime.) When the built-in battery life runs out, some settings such as the time and date setting will
not be saved once the power is turned off.
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Ask your dealer when replacement of the battery is required.
Hard disk drive (HDD)
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Hard disk drives are vulnerable to vibration. Handle them with care. It is possible to damage them if they
are moved while their motors are still running.
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Do not move them just after turning the power off (for around 30 seconds).
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The lifetime of hard disk drives is limited by use. Write errors may occur frequently after around 20 000
hours of operation, and the head and motor deterioration may occur after around 30 000 hours of operation.
They will reach the end of their lifetime after 30 000 hours of operation if they have been used at the
recommended ambient temperature (approx. +25 °C).
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It is recommended to replace them after around 18 000 hours of operation to prevent data loss from disk
failures.
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When hard disk drive trouble occurs, replace it immediately.
Contact your dealer about servicing.
Prevent condensation from forming
If this happens, it can cause malfunction.
Leave it switched off for around 2 hours in the following cases.
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When this product is placed in an extremely humid place.
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When this product is placed in a room where a heater has just been turned on.
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When this product is moved from an air-conditioned room to a humid and high-temperature room.
When this product is not supposed to be used for a certain period
Turn on the power (approximately once a week), and perform recording/playback to prevent interferences
with functions.
Cleaning
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Turn the power off, and then use a soft cloth to clean this product. When the dirt is hard to remove, use a
mild detergent and wipe gently. Wipe out the detergent completely using a soft cloth.
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Do not use strong or abrasive detergents when cleaning the body.
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When using a chemical cloth for cleaning, read the caution provided with the chemical cloth product.
