BenQ Corporation makes no representations or warranties, either expressed or implied, with
respect to the contents hereof and specifically disclaims any warranties, merchantability or
fitness for any particular purpose. Further, BenQ Corporation reserves the right to revise this
publication and to make changes from time to time in the contents hereof without obligation of
BenQ Corporation to notify any person of such revision or changes.
The performance of flicker-free may be affected by external factors such as poor cable quality,
unstable power supply, signal interference, or poor grounding, and not limited to the above
mentioned external factors. (Applicable for flicker-free models only.)
Power Safety
Please follow these safety instructions for best performance, and long life for your monitor.
• The AC plug isolates this equipment from the AC supply.
• The power supply cord serves as a power disconnect device for pluggable equipment. The
socket outlet should be installed near the equipment and be easily accessible.
• This product should be operated from the type of power indicated on the marked label. If you
are not sure of the type of power available, consult your dealer or local power company.
• An approved power cord greater or equal to H03VV-F or H05VV-F, 2G or 3G, 0.75mm2 must
be used.
Care And Cleaning
• Cleaning. Always unplug your monitor from the wall outlet before cleaning. Clean the LCD
monitor surface with a lint-free, non-abrasive cloth. Avoid using any liquid, aerosol or glass
cleaners.
• Slots and openings on the back or top of the cabinet are for ventilation. They must not be
blocked or covered. Your monitor should never be placed near or over a radiator or heat
source, or in a built-in installation unless proper ventilation is provided.
• Never push objects or spill liquid of any kind into this product.
2
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Servicing
Do not attempt to service this product yourself, as opening or removing covers may expose
you to dangerous voltages or other risks. If any of the above mentioned misuse or other
accident such as dropping or mishandling occurs, contact qualified service personnel for
servicing.
BenQ ecoFACTS
BenQ has been dedicated to the design and development of greener product as part of its
aspiration to realize the ideal of the "Bringing Enjoyment 'N Quality to Life" corporate vision
with the ultimate goal to achieve a low-carbon society. Besides meeting international regulatory
requirement and standards pertaining to environmental management, BenQ has spared no
efforts in pushing our initiatives further to incorporate life cycle design in the aspects of
material selection, manufacturing, packaging, transportation, using and disposal of the products.
BenQ ecoFACTS label lists key eco-friendly design highlights of each product, hoping to ensure
that consumers make informed green choices at purchase. Check out BenQ's CSR Website at
http://csr.BenQ.com/ for more details on BenQ's environmental commitments and
Power Safety .................................................................................................................................2
Getting started .............................................................................................................................6
Getting to know your monitor ................................................................................................8
Front view.................................................................................................................................................... 8
Back view ..................................................................................................................................................... 8
How to assemble your monitor hardware ........................................................................ 11
How to detach the stand and the base ............................................................................................... 18
Adjusting the monitor height ................................................................................................................ 21
Rotating the monitor .............................................................................................................................. 22
Using the monitor wall mounting kit ................................................................................................... 24
Getting the most from your BenQ monitor ...................................................................... 25
How to install the monitor on a new computer .............................................................................. 26
How to upgrade the monitor on an existing computer ................................................................. 27
How to install on Windows 8 (8.1) system (selected models only) ............................................ 28
How to install on Windows 7 system ................................................................................................ 29
How to watch 3D content on your monitor .................................................................................... 30
How to adjust your monitor ................................................................................................. 32
The control panel..................................................................................................................................... 32
The S Switch .............................................................................................................................................. 33
Basic menu operation.............................................................................................................................. 34
Initial setup for playing games ............................................................................................................... 36
Using Smart Scaling .................................................................................................................................. 40
Using Instant Mode.................................................................................................................................. 40
Switching between Classic and G-SYNC modes (for models with G-SYNC module only) .. 40
Navigating the main menu ...................................................................................................... 42
OSD menus for models with G-SYNC module................................................................................ 42
Display menu ............................................................................................................................................. 43
Engine Switch menu ................................................................................................................................. 45
Picture menu ............................................................................................................................................. 46
Picture Advanced menu ......................................................................................................................... 49
Save Settings menu .................................................................................................................................. 53
Audio menu ............................................................................................................................................... 54
System menu ............................................................................................................................................. 55
G-SYNC mode: Engine Switch menu .................................................................................................. 59
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G-SYNC mode: Picture menu ...............................................................................................................60
G-SYNC mode: Picture Advanced menu ...........................................................................................62
G-SYNC mode: System menu ...............................................................................................................64
Need more help?...................................................................................................................................... 69
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Getting started
When unpacking please check you have the following items. If any are missing or damaged,
please contact the place of purchase for a replacement.
BenQ LCD Monitor
Monitor Stand
Monitor Base
S Switch (Swift Switch)
Quick Start Guide
CD-ROM
Power Cord
(Picture may differ from product supplied
for your region.)
6 Getting started
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USB Cable
Video Cable: D-Sub
(Optional accessory for models with
D-Sub inputs, sold separately)
Video Cable: DVI-D Dual Link
Video Cable: HDMI
(Optional accessory, sold separately)
Video Cable: DP
(XL2420G / XL2420GE only)
NVIDIA 3D Vision Kit
(XL2420TX only)
Protective cover
Headphone hook
(Pre-installed, can be removed)
• Available accessories and the pictures shown here may differ from the actual contents and the product
supplied for your region. For cables that are not supplied with your product, you can purchase them
separately.
• Consider keeping the box and packaging in storage for use in the future when you may need to transport the
monitor. The fitted foam packing is ideal for protecting the monitor during transport.
Always keep the product and accessories out of reach of small children.
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7 Getting started
Getting to know your monitor
2
3
1
4
12
5
4
3
Front view
Back view
1. Infrared (IR) sensor (XL2420TX
only)
2. Control buttons
3. Power button
4. Infrared (IR) emitter indicator
1. AC Power Input jack
2. Cable management hole
3. Kensington lock slot
4. Headphone hook
5. Handle
8 Getting to know your monitor
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6. S Switch socket
6 78
9
10
11
14
13
12
15
12
6
5
43
7. DisplayPort socket
8. D-Sub socket
9. DVI-D socket
10. HDMI socket x 2
11. USB port (upstream; connecting
to the PC)
12. USB port (downstream;
connecting to USB devices)
13. Headphone jack
14. USB port x 2 (downstream;
connecting to USB devices)
15. VESA mount release button
Back view (for models with G-SYNC module)
1. AC Power Input jack
2. Cable management hole
3. Service port (Service only. Do
not remove the seal or the
warranty is void.)
4. Kensington lock slot
5. Headphone hook
6. Handle
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9 Getting to know your monitor
7. S Switch socket
7 8
9
10
13
12
11
14
8. DVI-D socket
9. HDMI socket x 2
10. DisplayPort socket
11. USB port (upstream; connecting
to the PC)
12. Headphone jack
13. USB port x 2 (downstream;
connecting to USB devices)
14. VESA mount release button
10 Getting to know your monitor
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How to assemble your monitor hardware
Locking tab
Retaining plate
• If the computer is turned on you must turn it off before continuing.
Do not plug-in or turn-on the power to the monitor until instructed to do so.
• The following illustrations are for your reference only. Available input and output jacks may vary depending on
the purchased model.
1. Attach the monitor base.
Please be careful to prevent damage to the monitor. Placing the screen surface on an object like a stapler or a
mouse will crack the glass or damage the LCD substrate voiding your warranty. Sliding or scraping the monitor
around on your desk will scratch or damage the monitor surround and controls.
Protect the monitor and screen by clearing a flat open area on your desk and placing a soft item
like the monitor packaging bag on the desk for padding.
Gently lay the screen face down on a flat clean padded surface.
(For XL2420)
Orient and align the stand base socket with the end
of the stand arm. Make sure that the locking tabs at
the end of the stand bypass the retaining plates on
the stand, then push the stand and the base
together. If the base is properly attached, the arrow
at the end of the stand should point to RISER
UNLOCK
.
XL2420
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11 How to assemble your monitor hardware
(For XL2420)
1
3
2
1
2
Turn the stand counterclockwise to align the arrow
at the end of the stand with the one on the
monitor base (). Raise the thumbscrew lid ()
and tighten the thumbscrew as illustrated ().
Then push the lid back.
Gently attempt to pull them back apart to check
that they have properly engaged.
XL2420
(For XL2720)
Lift up one end of the stand slightly to ensure a
successful installation (). Attach the monitor
stand to the monitor base as illustrated (). Make
sure to align the arrow on the end of the stand to
the one on the monitor base.
Turn the stand clockwise until you cannot go
further.
XL2720
XL2720
12 How to assemble your monitor hardware
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Raise the thumbscrew lid () and tighten the
2
1
thumbscrew as illustrated (). Then push the lid
back.
Orient and align the stand arm with the monitor
(), push them together until they click and lock
into place ().
Gently attempt to pull them back apart to check
that they have properly engaged.
XL2720
1
2
Carefully lift the monitor, turn it over and place it
upright on its stand on a flat even surface.
To move the monitor, you must hold the handle and the
bottom of the stand base at the same time as illustrated. You
can protect the monitor using the supplied protective cover.
You might want to adjust the monitor stand height.
See Adjusting the monitor height on page 21 for
more information.
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13 How to assemble your monitor hardware
You should position the monitor and angle the screen to
-5-5
O O
~ +20~ +20
O
-5
O
~ +20
O
Either
minimize unwanted reflections from other light sources.
2. Connect the power cable to the monitor.
Plug one end of the power cord into the socket
labelled on the rear of the monitor. Do not
connect the other end to a power outlet just yet.
3. Connect to the power.
Plug the other end of the power cord into a power
outlet and turn it on.
Picture may differ from product supplied for your region.
4. Connect the PC video cable
Available input and output jacks may vary depending on the purchased model. For models with
G-SYNC module, refer to Modes and the required input source on page 40 for the available
input source and the related menus.
Do not use both DVI-D cable and D-Sub cable on the same PC. The only case in which both cables can be used is
if they are connected to two different PCs with appropriate video systems.
To Connect the D-Sub Cable
Connect the plug of the D-Sub cable (at the end
without the ferrite filter) to the monitor video
socket. Connect the other end of the cable (at the
end with the ferrite filter) to the computer video
socket.
Tighten all finger screws to prevent the plugs from
accidently falling out during use.
14 How to assemble your monitor hardware
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To Connect the DVI-D Dual Link Cable
Or
Or
Or
Connect the plug of the DVI-D Dual Link cable to
the monitor video socket. Connect the other end of
the cable (at the end with the ferrite filter) to the
computer video socket.
Tighten all finger screws to prevent the plugs from
accidently falling out during use.
To Connect the HDMI Cable
Connect the plug of the HDMI cable to the HDMI
port on the monitor. Connect the other end of the
cable to the HDMI port of a digital output device.
To Connect the DP Cable
Connect the plug of the DP cable to the monitor
video socket. Connect the other end of the cable to
the computer video socket.
If there is more than one video transmission method available
to you, you might want to take the picture quality of each
video cable into consideration before making the connection.
- Better quality: HDMI / DVI-D / DP
- Good quality: D-Sub
The video cables included in your package and the socket
illustrations on the right may vary depending on the product
supplied for your region.
5. Connect the headphones.
You may connect headphones to the headphone
jack found on the left side of the monitor.
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15 How to assemble your monitor hardware
6. Connect USB devices.
Connect the USB cable between the PC and the
monitor (via the upstream USB port at the back).
This upstream USB port transmits data between
the PC and the USB devices connected to the
monitor.
Connect USB devices via other USB ports
(downstream) on the monitor. These downstream
USB ports transmit data between connected USB
devices and the upstream port.
See picture on the right.
TV OUT
PDIF-OUT
SDIF-OUT
7. Connect the S Switch to the monitor.
Connect the S Switch to the S Switch socket found
on the back of the monitor. And place the S Switch
next to your monitor base.
You can place the S Switch either on the left or on the right
of the monitor base.
8. Organize the cables.
16 How to assemble your monitor hardware
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9. Turn on the power.
Turn on the monitor by pressing the power button
on the monitor.
Turn on the computer too, and follow the
instructions in Getting the most from your BenQ
monitor on page 25 to install the monitor
software.
To extend the service life of the product, we recommend
that you use your computer's power management function.
When the monitor is powered on, to prevent overheating,
do not cover the monitor with the supplied protective cover
or obstruct the ventilation holes.
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17 How to assemble your monitor hardware
How to detach the stand and the base
3
2
1
2
1
1. Prepare the monitor and area.
Turn off the monitor and the power before
unplugging the power cable. Turn off the computer
before unplugging the monitor signal cable.
Protect the monitor and screen by clearing a flat
open area on your desk and placing a soft item like
a towel on the desk for padding, before laying the
screen face down on a flat clean padded surface.
Please be careful to prevent damage to the monitor. Placing
the screen surface on an object like a stapler or a mouse will
crack the glass or damage the LCD substrate voiding your
warranty. Sliding or scraping the monitor around on your
desk will scratch or damage the monitor surround and
controls.
2. Remove the monitor stand.
While pressing and holding the VESA mount
release button (), detach the stand from the
monitor ( and ).
3. Remove the monitor base.
Align the arrow on the bottom of the stand with
the one on the monitor stand. Raise the
thumbscrew lid () and release the thumbscrew
as illustrated ().
18 How to assemble your monitor hardware
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Turn the stand clockwise so that the arrow on the
2
1
bottom of the stand points to RISER UNLOCK
(). And then detach the base from the stand
().
1
2
(For XL2720)
Raise the thumbscrew lid () and release the
thumbscrew as illustrated ().
Turn the stand counterclockwise until you cannot
go further.
XL2720
XL2720
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19 How to assemble your monitor hardware
And then detach the base from the stand.XL2720
You can remove the headphone hook as illustrated. Keep the
headphone hook somewhere safe.
20 How to assemble your monitor hardware
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Adjusting the monitor height
To adjust the monitor height, hold both the left and the
right sides of the monitor to lower the monitor or lift
it up to the desired height.
• Avoid placing hands on the upper or lower part of the
height-adjustable stand or at the bottom of the monitor, as
ascending or descending monitor might cause personal injuries.
Keep children out of reach of the monitor while performing this
operation.
• If the monitor has been rotated to portrait mode and height adjustment is desired, you
should be noted that the wide screen will keep the monitor from being lowered to its
minimum height.
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21 How to assemble your monitor hardware
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