6
PRECAUTIONS
• Refer all work related to the installation of this product
to qualified service personnel or system installers.
• 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 differ-
ent 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.
• Consumable parts
Contact your dealer for replacement of the following
parts when the time comes:
Built-in hard disk needs replacement after around
30 000 hours of operation.
Cooling fan also needs replacement after around
30 000 hours of operation.
Backup battery has a lifetime of around five (5)
years in an ordinary environment.
• Do not block the ventilation opening or slots on the
cover.
To prevent the appliance from overheating, place it at
least 5 cm (2 inches) away from the wall.
• Do not drop metallic parts through slots.
This could permanently damage the appliance. Turn
the power off immediately and contact qualified service
personnel for service.
• Handle the appliance with care.
Do not strike or shake, as this may damage the appli-
ance.
• Fully charge up the backup battery.
Keep the appliance turned on for at least 48 hours to
recharge the backup battery. This procedure is neces-
sary when using the appliance for the first time or after
it has been unplugged for a long time from the AC out-
let. Insufficient charging of the battery may cause era-
sure of settings if the AC power supply should fail.
• We recommend that you note down your settings and
retain them. Power or battery failure may erase settings
you entered.
• Do not expose the appliance to water or moisture, nor
try to operate it in wet areas.
• 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.
• Do not operate the appliance beyond its specified tem-
perature, humidity or power source ratings.
Do not use the appliance in an extreme environment
where high temperature or high humidity exists. Use the
appliance at temperatures 5 °C to +45 °C (41 °F
to 113 °F) and a humidity below 90 %.
The input power source for this appliance is 120 V AC
60 Hz.
• It might occur some kind of malfunction of "RECORD" or
"PLAY", or "damage or defect of recorded data", due to
failure or trouble of machine. Any consequent damage
or loss arising from such problem is not subject of the
warranty.
Summary of Contents for WJHD220 - DIGITAL DISK RECORDER
Page 55: ...55 WJ HD220 NETWORK OPERATION ...
Page 85: ...85 SPECIFICATIONS APPENDIX ...
