15
Power source
The input power source for this product is 120 V AC 60 Hz
(WJ-NV300K), 220 V - 240 V AC 50 Hz/ 60 Hz
(WJ-NV300K/G).
Do not connect to the outlet that provides the power to
equipment 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.
* The provided power cord(s) is (are) dedicated to the use
with this product. Do not use with any other device. Also,
do not use any other power cord with this product.
Ambient operating temperature
Use this product at temperatures b5 °C to +45 °C
{41 °F to 113 °F}. 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 recom-
mended to use this product at a temperature of approx.
+25 °C {77 °F}.
To cut the power supply
This product has no power switch. To cut the power supply,
unplug the power plug of the product from the AC outlet. If it
is hard to unplug the power cord due to the installation con-
ditions, connect the power cord of the product to the AC
outlet via the circuit breaker of a distribution board or to the
AC inlet socket of a power supply control unit.
Built-in backup battery
Do not expose the built-in battery to excessive heat such
•
as sunlight, fire, etc.
Before the first use, charge the built-in backup battery
•
(lithium battery) by turning on the power for 48 hours or
more. If it is not charged enough, in a case where the
power goes down, the operative condition may be differ-
ent to that before the electric power failure. For example,
the internal clock may keep bad time or logs may be
lost.
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 date & time setting will not be saved once
the power is turned off.
Ask your dealer when replacement of the battery is
•
required.
Hard disk drive (HDD)
Hard disk drives are precise devices. Handle them with
•
care. It is possible to damage them if they are moved
while their motors are still running.
Please be forewarned that any loss of information on the
•
HDD is not guaranteed under any circumstances.
Do not move or install this product just after turning the
•
power on or off (for around 30 seconds.) The hard disk
drives are running.
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 oper-
ation if they have been used at the recommended ambi-
ent temperature (approx. +25 °C {77 °F}).
To prevent data loss from disk crashes, it is recom-
•
mended to keep the ambient operating temperature at
approx. +25 °C {77 °F} and to replace them after around
18000 hours of operation.
When hard disk drive trouble occurs, replace it immedi-
•
ately. Contact your dealer about servicing.
About SDHC/SD memory card
When using an unformatted SDHC/SD memory card,
•
format it with this product. Recorded data on the SDHC/
SD memory card will be deleted when formatted. If an
unformatted SDHC/SD memory card or an SDHC/SD
memory card formatted with other devices is used, the
product may not work properly or performance deterio-
ration may be caused. Refer to the Operating
Instructions (PDF) for how to format a SDHC/SD mem-
ory card.
When some SDHC/SD memory cards are used with the
•
product, the product may not work properly or perform-
ance deterioration may be caused. Use the SDHC/SD
memory cards recommended in (page 46).
Memory cards other than SDHC/SD memory card are
not supported.
Refer to page 19 for how to insert/remove a SDHC/SD
•
memory card.
About external storage devices (External HDD and
USB memory)
An external hard disk drive or a USB memory that is
•
compatible with USB2.0 can be connected to the copy
port to use as the external storage device.
The external hard disk drive cannot be formatted with
•
this recorder. Use the external storage device formatted
in FAT (FAT16) or FAT32. Refer to the operating instruc-
tions of the connected external storage device for the
format procedure.
Do not use any external storage device with the pass-
•
word authentication function since they are not sup-
ported.
Prevent condensation from forming
If this happens, it can cause malfunction.
Leave it switched off for around 2 hours in the following
cases.
When this product is placed in an extremely humid
•
place.
When this product is placed in a room where a heater
•
has just been turned on.
When this product is moved from an air-conditioned
•
room to a humid and high-temperature room.
About the monitor
When displaying the same image on the PC monitor for a
long time, the PC monitor may be damaged.
Precautions for use
