6
PRECAUTIONS
• Refer all work related to the installation of these
products to qualified service personnel or system
installers.
• Do not operate the appliances beyond their speci-
fied temperature, humidity, or power source ratings.
Use the appliance at temperatures 5 °C -
+45 °C (41 °F - 133 °F) and humidity below 90 %.
The input power source for this appliance is 120 V AC
60 Hz.
• Handle the appliance with care.
Do not strike or shake, as this may damage the appli-
ance.
• Do not strike or give a strong shock to the unit.
It may cause damage or allow water to enter the unit.
• Built-in backup battery
Before the first use, charge the built-in backup battery
by turning on the power for 48 hours or more.
If it is not charged enough, in the case where the power
goes down, the internal clock may keep bad time or the
operative condition may be different to that before the
electric power failure.
The built-in battery life is approximately 5 years. Ask the
shop where you purchased the unit when replacement
of the battery is required.
• Cooling Fan
The cooling fan is perishable. It will need to be
replaced it after around 30 000 hours of operation.
Replacement costs of the cooling fan are not covered
by the warranty even if it needs to be done within the
warranty period. Consult your dealer for servicing.
• Cleaning
Turn the power off when cleaning the unit. Otherwise it
may cause injuries.
Do not use strong or abrasive detergents when clean-
ing the appliance body.
Use a dry cloth to clean the appliance when it is dirty.
When the dirt is hard to remove, use a mild detergent
and wipe gently.
• Built-in hard disk drives
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. Do not move them just
after turning the power of them on or off (around 30
seconds).
Hard disk drives are perishable. It will need to be
replaced it after around 30 000 hours of operation in
case they are used at temperature of 25 °C (77 °F).
Replacement costs of the hard disk drives are not cov-
ered by the warranty even if it needs to be done within
the warranty period. Consult your dealer for servicing.
Set all the hard disk drives as master using the jumper
pin. Refer to the diagram attached on the HDD or the
operating instructions of the HDD for the jumper pin
assignment.
When a hard disk drive trouble occurred, replace it
immediately. Consult your dealer for servicing.
When replacing the hard disk drives, take notice that
the followings.
1. Do not detach the hard disk drives or the cables con-
necting between the unit and the front cover while the
HDD1/HDD2 indicators are lit or for around 30 seconds
after the indicators went off.
2. Protect the hard disk drives from static electricity.
3. Do not stack them, nor keep them upright.
4. Do not use an electric screwdriver to fix them.
(Tightening torque: Approx. 0.49 N · m (5 kgf · cm))
Avoid the rapid change of the temperature/humidity to
prevent condensation. (Acceptable change: within
15 °C/h (59 °F/h))
• Indication label
Refer to the indication label placed on the bottom of the
unit as to the indications of equipment classification
and power source, etc.
• Avoid placing receptacles that contain liquids such as
water near the unit.
If liquid falls over the unit, it may cause fire or electric
shock.
• Do not expose the unit to water or moisture, nor try to
operate it in wet areas.
• Prevent condensation from forming on the surface of
the hard disk.
Wait until the dew evaporates in any of the following
cases.
The recorder is moved to a place significantly different
in temperature or humidity.
The recorder is moved out of an air-conditioned room.
The recorder is placed in an extremely humid place.
The recorder is placed in a room where a heater has
just been turned on.
• We recommend that you make a note of your settings
and save them. This will help you when required to
change the system configuration, or when unexpected
trouble or failure occurs.
Summary of Contents for WJHD316 - DIGITAL DISK RECORDER
Page 4: ...4 CONTENTS...
