LG LM505J User Manual page 19

English
Important Precautions
This unit has been engineered and manufactured to
assure your personal safety, but improper use can
result in potential electrical shock or fire hazard. In
order not to defeat the safeguards incorporated in this
monitor, observe the following basic rules for its
installation, use, and servicing. Also follow all
warnings and instructions marked directly on your
monitor.
On Safety
Use only the power cord supplied with the unit. In case you
use another power cord, make sure that it is certified by the
applicable national standards if not being provided by the
supplier. If the power cable is faulty in any way, please
contact the manufacturer or the nearest authorized repair
service provider for a replacement.
Operate the monitor only from a power source indicated in
the specifications of this manual or listed on the monitor. If
you are not sure what type of power supply you have in
your home, consult with your dealer.
Overloaded AC outlets and extension cords are dangerous.
So are frayed power cords and broken plugs. They may
result in a shock or fire hazard. Call your service technician
for replacement.
Do not Open the Monitor.
There are no user serviceable components inside.
There are Dangerous High Voltages inside, even when
the power is OFF.
Contact your dealer if the monitor is not operating
properly.
To Avoid Personal Injury :
Do not place the monitor on a sloping shelf unless
properly secured.
Use only a stand recommended by the manufacturer.
Do not try to roll a stand with small casters across
thresholds or deep pile carpets.
To Prevent Fire or Hazards:
Always turn the monitor OFF if you leave the room for
more than a short period of time. Never leave the
monitor ON when leaving the house.
Keep children from dropping or pushing objects into the
monitor's cabinet openings. Some internal parts carry
hazardous voltages.
Do not add accessories that have not been designed for
this monitor.
During a lightning storm or when the monitor is to be left
unattended for an extended period of time, unplug it from
the wall outlet.
Do not bring magnetic devices such as magnets or
motors near the picture tube.
On Installation
Do not allow anything to rest upon or roll over the power
cord, and do not place the monitor where the power cord is
subject to damage.
Do not use this monitor near water such as near a bathtub,
washbowl, kitchen sink, laundry tub, in a wet basement, or
near a swimming pool.
Monitors are provided with ventilation openings in the
cabinet to allow the release of heat generated during
operation. If these openings are blocked, built-up heat can
cause failures which may result in a fire hazard. Therefore,
NEVER:
Block the bottom ventilation slots by placing the monitor
on a bed, sofa, rug, etc.
Place the monitor in a built-in enclosure unless proper
ventilation is provided.
Cover the openings with cloth or other material.
Place the monitor near or over a radiator or heat source.
LCD Monitor only
Do not rub or strike the Active Matrix LCD with anything
hard as this may scratch, mar, or damage the Active Matrix
LCD permanently.
Do not press the LCD screen with your finger for a long
time as this may incur some afterimages.
Some dot defects may appear on the screen, like Red,
Green or Blue spots on the screen. However, this will have
no impact or effect on the monitor performance.
If possible, use the recommended resolution to obtain the
best image quality for your LCD monitor. If used under any
modes except the recommended resolution, some scaled
or processed images may appear on the screen. However,
this is the characteristics of the LCD panel which has a
fixed resolution.
On Cleaning
Unplug the monitor before cleaning the face of the
monitor screen.
Use a slightly damp (not wet) cloth. Do not use an
aerosol directly on the monitor screen because
overspray may cause electrical shock.
On Repacking
Do not throw away the carton and packing materials.
They make an ideal container in which to transport the
unit. When shipping the unit to another location, repack it
in its original material.
DDC (Display Data Channel)
DDC is a communication channel over which the monitor
automatically informs the host system (PC) about its
capabilities.
DDC protocol
① DDC1/DDC2B
An uni-directional communication channel.
② DDC 2AB/DDC2B+/DDC2Bi
A bi-directional communication channel.
Note
PC must support DDC functions to do this.
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