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11
Installation and connections
pw Installation precautions
pqIn addition to heeding the points presented in the “Read this first!”, observe the
following precautions as well.
Connecting the power supply
p Be absolutely sure to use only the power
cable supplied with the unit.
p The power cable supplied with the
unit has a 3‑pin plug with a grounding
terminal.
Connect to a 3‑pin AC outlet which is equipped with a
grounding terminal.
p Be absolutely sure to connect the ground terminal
(SIGNAL GND) at the rear of the unit to the system ground.
p When the unit is not going to be used for a prolonged
period of time, turn off its power, and disconnect the power
plug from the AC outlet.
Handle carefully!
p Dropping the unit or subjecting it to strong impact or
vibration may cause trouble and/or malfunctioning.
Do not allow any foreign objects to enter inside the
unit!
p Allowing water, metal items, scraps of food or other foreign
objects inside the unit may cause a fire and/or electric
shocks.
Choosing the best installation location
p Install the unit on a sufficiently strong, stable and level
surface for use.
p Ensure a space of at least 100 mm (3‑15/16 inches)
around the unit’s vents to avoid obstructing ventilation.
In particular, ensure sufficient space between ventilation
and wiring when using mounted in a panel or table.
p Do not install the unit in a manner in which its cables and
other accessories can be easily damaged.
p Avoid installing the unit where it will be exposed to direct
sunlight or to the hot air that is blown out from other
products.
p Installing the unit in a very humid, dusty or vibration‑prone
location may give rise to trouble.
Ventilation holes