2
If the unit does not run normally by following the instruction for use. Only adjust those controls that are
covered by the instructions for use, because an improper adjustment of other controls may cause damage
and will often require extensive work by a qualified technician to restore the units to their normal operation.
If the unit has been exposed to rain or water
When the power-supply cord or plug is damaged
If liquid has been spilled, or objects have fallen into the unit
(17). Replacement Parts—Make sure that the service technician has used replacements parts specified by
the manufacturer or parts which have the same characteristics as the original one when replacing a part.
Unauthorized and improper substit-utions may lead to a result of fire, electric shock or other hazards.
(18). Safety Check—Ask the service technician to perform safety checks to determine that the unit is in proper
operating con-dition after completing any service or repairs to the unit.
(19).
Lightning—Unplug the unit from the wall outlet and disconnect the cable system for added protection of
the units during a Lightning storm, or when it is unattended and unused for long periods of time.
The lightning and power-line surges will pr-event damage to the unit.
Conventions
Warning
Do
not
open
the
unit
when
it
is
connected
to
mains.The
unit
contains
non
-
insulated
parts
,
which
can
cause
electric
shock
Safety precautions
Caution
There
are
no
user
-
serviceable
parts
inside
the
unit
.
Service
must
be
done
by
qualified
person
.
Caution
Follow
these
instructions
to
prevent
damage
to
the
equipment
.
Note
Read
these
instructions
for
tips
and
other
useful
information
.
Warning
Follow
these
instructons
to
prevent
personal
injury
.
About this manual
This manual provides all the information required to install and operate the unit.
