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PRECAUTIONS
• Refer all work related to the installation of this
product to qualified service personnel or system
installers.
• 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 ser-
vice personnel for service.
• Do not attempt to disassemble the appliance.
To prevent electric shock, do not remove screws or
covers.
There are no user-serviceable parts inside. Contact
qualified service personnel for maintenance.
• Handle the appliance with care.
Do not strike or shake, as this may damage the
appliance.
• Fully charge up the backup battery.
Keep the appliance turned on for at least 48 hours
to recharge the backup battery. This procedure is
necessary when using the appliance for the first
time or after it has been unplugged for a long time
from the AC outlet. Insufficient charging of the bat-
tery may cause erasure of settings if the AC power
supply should fail. The battery, if fully charged, will
back up the settings for 480 hours in an ordinary
environment.
• 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 mois-
ture, nor try to operate it in wet areas.
Do take immediate action if the appliance becomes
wet. Turn the power off and refer servicing to quali-
fied service personnel. Moisture may damage the
appliance and also cause electric shock.
• Do not use strong or abrasive detergents when
cleaning 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 deter-
gent and wipe gently.
• Do not operate the appliance beyond its speci-
fied temperature, humidity or power source rat-
ings.
Do not use the appliance in an extreme environment
where high temperature or high humidity exists.
Use the appliance at temperatures 5°C -
+40°C (41°F - 104°F) and a humidity below 90 %.
The input power source for this appliance is 120 V
AC 60 Hz.
