Acer G245HQ User Manual
TABLE OF CONTENTS
Special notes on LCD monitors..................................................1
Information for your safety and comfort..................................2
Unpacking...................................................................................5
Attaching/Removing the base....................................................6
Screen position adjustment........................................................6
Connecting the power cord........................................................7
Safety precaution.......................................................................7
Cleaning your monitor...............................................................7
Power saving...............................................................................8
DDC..............................................................................................8
Connector Pin Assignment.........................................................9
Standard Timing Table..................................................................11
Installation.....................................................................................12
User controls..................................................................................13
Troubleshooting............................................................................19
SPECIAL NOTES ON LCD MONITORS
The following symptoms are normal with LCD monitor and do not indicate a
problem.
NOTES
· Due to the nature of the fluorescent light, the screen may flicker during
initial use. Turn off the Power Switch and then turn it on again to make
sure the flicker disappears.
· You may find slightly uneven brightness on the screen depending on the
desktop pattern you use.
· The LCD screen has effective pixels of 99.99% or more. It may include
blemishes of 0.01% or less such as a missing pixel or a pixel lit all of the
time.
· Due to the nature of the LCD screen, an afterimage of the previous screen
may remain after switching the image, when the same image is displayed
for hours. In this case, the screen is recovered slowly by changing the
image or turning off the Power Switch for hours.
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Information for your safety and comfort
Safety instructions
Read these instructions carefully. Keep this document for future reference. Follow all
warnings and instructions marked on the product.
CAUTION for accessibility
Be sure that the power outlet you plug the power cord into is easily accessible and
located as close to the equipment operator as possible. When you need to disconnect
power to the equipment, be sure to unplug the power cord from the electrical outlet.
Warnings
•Do not use this product near water.
•Do not place this product on an unstable cart, stand or table. If the
•Slots and openings are provided for ventilation to ensure reliable operation of
•Never push objects of any kind into this product through cabinet
•To avoid damage of internal components and to prevent battery leakage, do
•Never use it under sporting, exercising, or any vibrating environ ment which
product falls, it could be seriously damaged.
the product and to protect it from overheating. These openings must not be
blocked or covered. The openings should never be blocked by placing the
product on a bed, sofa, rug or other similar surface. This product should never
be placed near or over a radiator or heat register, or in a built-in installation
unless proper ventilation is provided.
slots as they may touch dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill liquid of any kind onto or into the
product.
not place the product on a vibrating surface.
will probably cause unexpected short current or damage rotor devices, HDD,
Optical drive, and even exposure risk from lithium battery pack.
Safe listening
Follow these instructions, suggested by hearing experts,to protect your earing.
•Gradually increase the volume until you can hear it clearly and comfortably and
•After setting the volume level, do not increase it afteryour ears adjust.
•Limit the amount of time listening to music at high volume.
•Avoid turning up the volume to block out noisy surroundings.
•Turn the volume down if you can’t hear people speaking near you.
without distortion.
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Product servicing
Do not attempt to service this product yourself, as opening or removing covers may
expose you to dangerous voltage points or other risks. Refer all servicing to qualified
service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service personnel when:
•the power cord or plug is damaged, cut or frayed
•liquid was spilled into the product
•the product was exposed to rain or water
•the product has been dropped or the case has been damaged
•the product exhibits a distinct change in performance, indicating a need for service
•the product does not operate normally after following the operating instructions
----------------------------------------------------------------------------------------------------Note: Adjust only those controls that are covered by the operating instructions,
since improper adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to restore the product to
normal condition.
LCD Pixel Statement
The LCD unit is produced with high-precision manufacturing techniques. Nevertheless,
some pixels may occasionally misfire or appear as black or red dots. This has no effect on
the recorded image and does not constitute a malfunction.
Tips and information for comfortable use
Computer users may complain of eyestrain and headaches after prolonged use. Users are
also at risk of physical injury after long hours of working in front of a computer. Long
work periods, bad posture, poor work habits, stress, inadequate working conditions,
personal health and other factors greatly increase the risk of physical injury.
Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis
or other musculoskeletal disorders. The following symptoms may appear in the hands,
wrists, arms, shoulders, neck or back:
•numbness, or a burning or tingling sensation
•aching, soreness or tenderness
•pain, swelling or throbbing
•stiffness or tightness
•coldness or weakness
If you have these symptoms, or any other recurring or persistent discomfort and/or pain
related to computer use, consult a physician immediately and inform your company’s
health and safety department.
The following section provides tips for more comfortable computer use.
Finding your comfort zone
Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest,
or raising your sitting height to achieve maximum comfort. Observe the following tips:
•refrain from staying too long in one fixed posture
•avoid slouching forward and/or leaning backward
•stand up and walk around regularly to remove the strain on your leg muscles
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•take short rests to relax your neck and shoulders
•avoid tensing your muscles or shrugging your shoulders
•install the external display, keyboard and mouse properly and within comfort
•if you view your monitor more than your documents, place the display at the
able reach
center of your desk to minimize neck strain
Taking care of your vision
Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room
lighting, poorly focused screens, very small typefaces and low-contrast displays could
stress your eyes. The following sections provide suggestions on how to reduce eyestrain.
Eyes
•Rest your eyes frequently.
•Give your eyes regular breaks by looking away from the monitor and focusing
•Blink frequently to keep your eyes from drying out.
Display
•Keep your display clean.
•Keep your head at a higher level than the top edge of the display so your eyes
•Adjust the display brightness and/or contrast to a comfortable level for enhanced
•Eliminate glare and reflections by:
•Avoid adjusting your display to an awkward viewing angle.
•Avoid looking at bright light sources, such as open windows, for extended
on a distant point.
point downward when looking at the middle of the display.
text readability and graphics clarity.
•placing your display in such a way that the side faces the window or any light
source
•minimizing room light by using drapes, shades or blinds
•using a task light
•changing the display’s viewing angle
•using a glare-reduction filter
•using a display visor, such as a piece of cardboard extended from the display’s
top front edge
periods of time.
Developing good work habits
Develop the following work habits to make your computer use more relaxing and
productive:
•Take short breaks regularly and often.
•Perform some stretching exercises.
•Breathe fresh air as often as possible.
•Exercise regularly and maintain a healthy body.
----------------------------------------------------------------------------------------------------Warning! We do not recommend using the product on a couch or bed. If this is
unavoidable, work for only short periods, take breaks regularly, and do some
stretching exercises.
----------------------------------------------------------------------------------------------------For more information and help in recycling, please visit the following websites:
Worldwide:
http://www.acer-group.com/public/Sustainability/sustainability01.htm
http://www.acer-group.com/public/Sustainability/sustainability04.htm
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UNPACKING
Please check the following items are present when you unpack the box,
and save the packing materials in case you will need to ship or transport
the monitor in future.
· LCD Monitor
· AC Power Cord
· Audio Cable
(Only Audio-Input Model)
(Optional)
· D-Sub Cable
· User Manual
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· DVI Cable
(Only Dual-Input Model)
· Quick Start Guide
Attaching / Removing the Base
--------------------------------------------------------------------
Note: Remove the monitor and monitor base from its packaging.
Carefully place the monitor face-down on a stable surface -- use a
cloth to avoid scratching the screen.
Install:
Align the release button on the
bottom of the monitor with the
corresponding
slots on the bottom of the base.
Remove:
Depress the release button as
indicated first before removing the
base and follow the arrow direction
to remove it.
SCREEN POSITION ADJUSTMENT
In oder to optimize the best viewing position, you can adjust the tilt of
the monitor by using both of your hands to hold the edges of the monitor
as shown in the figure below.
The monitor can be adjusted to 15 degrees up or 5 degrees down as indicated by arrow below.
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