Benq MX666, MW665 User Manual
MX666/MW665
Digital Projector
User Manual
Ta b l e o f c o nte n t s
Important safety
instructions ........................... 3
Introduction.......................... 7
Projector features.....................................7
Shipping contents ...................................... 8
Projector exterior view........................... 9
Controls and functions ..........................10
Positioning your
projector..............................16
Choosing a location................................16
Obtaining a preferred projected image
size..............................................................17
Connection ......................... 19
Connecting video source devices........20
Connecting smart devices (MX666)...21
Operation............................ 22
Starting up the projector ......................22
Adjusting the projected image .............23
Using the menus......................................25
Securing the projector...........................26
Switching input signal .............................28
Magnifying and searching for details ...29
Selecting the aspect ratio ......................29
Optimizing the image .............................32
Setting the presentation timer.............35
Remote paging operations ....................36
Freezing the image ..................................36
Hiding the image......................................37
Locking control keys ..............................37
Operating in a high altitude
environment.............................................37
Adjusting the sound................................38
Using the test pattern............................ 38
Using the teaching templates ............... 39
Presenting from a USB Reader............ 40
Shutting down the projector ............... 41
Direct power off.....................................41
Menu operation ...................................... 42
Maintenance........................ 53
Care of the projector............................ 53
Lamp information ................................... 54
Troubleshooting ................ 60
Specifications ...................... 61
Projector specifications......................... 61
Dimensions .............................................. 62
Ceiling mount installation ..................... 62
Timing chart............................................. 63
Warranty and Copyright
information ......................... 67
Table of contents2
Important safety instructions
Your projector is designed and tested to meet the latest standards for safety of information
technology equipment. However, to ensure safe use of this product, it is important that
you follow the instructions mentioned in this manual and marked on the product.
Safety Instructions
1. Please read this manual before
you operate your projector. Save
it for future reference.
2. Do not look straight at the
projector lens during operation.
The intense light beam may damage
your eyes.
3. Refer servicing to qualified
service personnel.
5. In some countries, the line voltage is
6. Do not block the projection lens with
NOT stable. This projector is
designed to operate safely within a
mains voltage between 100 to 240
volts AC, but could fail if power cuts
or surges of ±10 volts occur. In
areas where the mains voltage
may fluctuate or cut out, it is
recommended that you connect
your projector through a power
stabilizer, surge protector or
uninterruptible power supply
(UPS).
any objects when the projector is
under operation as this could cause
the objects to become heated and
deformed or even cause a fire. To
temporarily turn off the lamp, press
ECO BLANK on the projector or
remote control.
4. Always open the lens shutter (if
any) or remove the lens cap (if
any) when the projector lamp is
on.
Important safety instructions 3
Safety Instructions (Continued)
7. The lamp becomes extremely hot
during operation. Allow the projector
to cool for approximately 45 minutes
prior to removing the lamp assembly
for replacement.
10. Do not place this product on an
unstable cart, stand, or table. The
product may fall, sustaining serious
damage.
8. Do not operate lamps beyond the
rated lamp life. Excessive operation of
lamps beyond the rated life could
cause them to break on rare
occasions.
9. Never replace the lamp assembly or
any electronic components unless the
projector is unplugged.
11. Do not attempt to disassemble this
projector. There are dangerous high
voltages inside which may cause death
if you should come into contact with
live parts. The only user serviceable
part is the lamp which has its own
removable cover.
Under no circumstances should you
ever undo or remove any other
covers. Refer servicing only to
suitably qualified professional service
personnel.
12. When the projector is under
operation, you may sense some
heated air and odor from its
ventilation grill. It is a normal
phenomenon and not a product
defect.
Important safety instructions4
3000 m
(10000 feet)
0 m
(0 feet)
Safety Instructions (Continued)
13. Do not place this projector in any of
the following environments.
- Space that is poorly ventilated or
confined. Allow at least 50 cm
clearance from walls and free flow of air
around the projector.
- Locations where temperatures may
become excessively high, such as the
inside of a car with all windows rolled
up.
- Locations where excessive humidity,
dust, or cigarette smoke may
contaminate optical components,
shorten the projector's life span and
darken the image.
- Locations near fire alarms
- Locations with an ambient temperature
above 40°C / 104°F
- Locations where the altitudes are higher
than 3000 m (10000 feet).
14. Do not block the ventilation holes.
- Do not place this projector on a
blanket, bedding or any other soft
surface.
- Do not cover this projector with a cloth
or any other item.
- Do not place inflammables near the
projector.
If the ventilation holes are seriously
obstructed, overheating inside the
projector may result in a fire.
15. Always place the projector on a level,
horizontal surface during operation.
- Do not use if tilted at an angle of more
than 10 degrees left to right, nor at
angle of more than 15 degrees front to
back. Using the projector when it is not
fully horizontal may cause a malfunction
of, or damage to, the lamp.
16. Do not stand the projector on end
vertically. Doing so may cause the
projector to fall over, causing injury or
resulting in damage to the projector.
Important safety instructions 5
Safety Instructions (Continued)
17. Do not step on the projector or place
any objects upon it. Besides probable
physical damage to the projector, doing
so may result in accidents and possible
injury.
18. Do not place liquids near or on the
projector. Liquids spilled into the
projector may cause it to fail. If the
projector does become wet,
disconnect it from the power supply's
power outlet and call BenQ to have
the projector serviced.
19. This product is capable of displaying
inverted images for ceiling mount
installation.
Use only BenQ's Ceiling Mount Kit for
mounting the projector and ensure it is
securely installed.
Ceiling mounting the projector
We want you to have a pleasant
experience using your BenQ projector,
so we need to bring this safety matter
to your attention to prevent possible
damage to person and property.
If you intend to mount your projector
on the ceiling, we strongly recommend
that you use a proper fitting BenQ
projector ceiling mount kit and that
you ensure it is securely and safely
installed.
If you use a non-BenQ brand projector
ceiling mount kit, there is a safety risk
that the projector may fall from the
ceiling due to an improper attachment
through the use of the wrong gauge or
length screws.
You can purchase a BenQ projector
ceiling mount kit from the place you
purchased your BenQ projector. BenQ
recommends that you also purchase a
separate Kensington lock compatible
security cable and attach it securely to
both the Kensington lock slot on the
projector and the base of the ceiling
mount bracket. This will perform the
secondary role of restraining the
projector should its attachment to the
mounting bracket become loose.
Hg - Lamp contains mercury. Manage in
accordance with local disposal laws. See
www.lamprecycle.org.
20. This apparatus must be earthed.
Important safety instructions6
Introduction
Projector features
The projector offers the following features
• SmartEco™ starts your dynamic power saving
The SmartEco™ technology offers a new way of operating the projector lamp system
and saves lamp power depending on the content brightness level.
• Longest lamp life with SmartEco™ technology
The SmartEco™ technology lowers the power consumption and increases the lamp
life.
• ECO BLANK saves the lamp power
Pressing the ECO BLANK button to hide the image and immediately lower the lamp
power at the same time.
• Constant brightness (MW665)
In the LumenCare mode, constant brightness can be achieved
• HDMI/MHL compatible (MX666)
You can project the content from your smart devices via HDMI/MHL connection
• Less than 0.5W in standby condition
Less than 0.5W power consumption under standby mode
• Filter Free
Filter free design to lower maintenance and operating costs.
• One-key auto-adjustment
Pressing AUTO on the keypad or remote control to show the best picture quality
immediately
• Built-in speaker(s)
Built-in speaker(s) providing mixed mono audio when an audio input is connected
• Quick Cooling, Auto Power Off, Signal Power On, Direct Power On
Quick Cooling function speeds up the cooling process when turning off the
projector. Auto Power Off function allows the projector to turn off automatically if
no input signal is detected after a set period of time. Signal Power On function turns
on your projector automatically once detecting the signal input and Direct Power
On turns your projector when the power is fed.
• Instant Restart
Selectable Instant Restart function enables you to restart the projector immediately
within 90 seconds after turning it off.
• 3D Function supported
Various 3D formats make the 3D function more flexible. By presenting the depth of the
images, you can wear BenQ 3D glassed to enjoy the 3D movies, videos and sporting
events in a more realistic way.
• The apparent brightness of the projected image will vary depending on the ambient lighting conditions,
selected input signal contrast/brightness settings, and is directly proportional to projection distance.
• The lamp brightness will decline over time and may vary within the lamp manufacturers specifications. This
is normal and expected behavior.
Introduction 7
Shipping contents
Digital Projector
Quick Start Guide
MX666
MW665
1. Spare lamp kit
2. Ceiling mount kit
3. 3D glasses
Carefully unpack and verify that you have all of the items shown below. If any of these items
are missing, please contact your place of purchase.
Standard accessories
The supplied accessories will be suitable for your region, and may differ from those illustrated.
*The warranty card is only supplied in some specific regions. Please consult your dealer for detailed
information.
Projector Power cord VGA cable
Quick start guide User manual CD Warranty card*
Optional accessories
Introduction8
Remote control with batteries Carry bag
Projector exterior view
5
2
1
3
4
8
6
7
10
9
Front/upper side
MX666
MW665
16
1211 13 14
17
19 22
15
18 20
24
25
26
26
26
23
21
Rear/lower side
1. External control panel
(See "Controls and functions" on page 10
for details.)
2. Lamp cover
3. Vent (heated air exhaust)
4. Quick-release button
5. Lens cap
6. Focus and Zoom ring
7. Vent (cool air intake)
8. Speaker grill
9. Front IR remote sensor
10. Projection lens
11. Audio (L/R) input jacks
12. Audio output jack
13. Audio input jack
14. HDMI-input port
15. HDMI/MHL-input port
16. S-Video input jack
Video input jack
17. RGB (PC)/Component Video (YPbPr/
YCbCr) signal input jack
18. RS232 control port
19. RGB signal output jack
20. USB Mini-B port
21. USB Type-A port
22. RJ45 LAN input jack
23. AC power jack
24. Kensington anti-theft lock slot
25. Rear adjuster foot
26. Ceiling mount holes
Introduction 9
Controls and functions
Projector
MX666
MW665
1
2
2
3
4
5
6
8
9
10
11
12
13
14
15
16
14
1. Focus ring
Adjusts the focus of the projected image.
2. Zoom ring
Adjusts the size of the image.
3. Rear IR remote sensor
4. MENU/EXIT
Turns on the On-Screen Display (OSD)
menu. Goes back to previous OSD menu,
exits and saves menu settings.
5. POWER
Toggles the projector between standby
mode and on.
6. Left/
Decreases the projector volume.
7. Keystone/Arrow keys ( / Left, /
Right)
Manually corrects distorted images
resulting from an angled projection.
8. MODE/ENTER
Selects an available picture setup mode.
Activates the selected On-Screen Display
(OSD) menu item.
9. ECO BLANK
Used to hide the screen picture.
10. POWER indicator light
Lights up or flashes when the projector is
under operation.
1
2
2
3
4
5
7
8
9
10
11
12
13
14
7
16
14
11. TEMPerature warning light
Lights up red if the projector's
temperature becomes too high.
12. LAMP indicator light
Indicates the status of the lamp. Lights up
or flashes when the lamp has developed a
problem.
13. AUTO
Automatically determines the best picture
timings for the displayed image.
14. Keystone/Arrow keys ( / Up, /
Down)
Manually corrects distorted images
resulting from an angled projection.
15. Right/
Increases the projector volume.
When the On-Screen Display (OSD)
menu is activated, the #6, #7, #14, and
#15 keys are used as directional arrows
to select the desired menu items and to
make adjustments.
16. SOURCE
Displays the source selection bar.
Introduction10
Remote control (MX666)
4
3
7
8
9
11
10
12
13
14
15
16
17
18
21
22
19
20
3
5
6
1
2
1. ON/ OFF
Toggles the projector between standby
mode and on.
2. Source selection buttons
(COMPUTER 1, COMPUTER 2,
VIDEO, S-VIDEO, HDMI,
NETWORK
)
Selects an input source for display.
3. Keystone/Arrow keys ( / Up, /
Down)
Manually corrects distorted images
resulting from an angled projection.
4. MENU/EXIT
5. Left/
Turns on the On-Screen Display (OSD)
menu. Goes back to previous OSD menu,
exits and saves menu settings.
Decreases the projector volume.
6. MODE/ENTER
Selects an available picture setup mode.
Activates the selected On-Screen Display
(OSD) menu item.
7. ECO BLANK
Used to hide the screen picture.
8. LASER
Emits visible laser pointer light for
presentation purposes.
9. MHL control buttons
(Previous, Play/Pause,
Next, Rewind, Stop,
Fast-forward)
Goes to the previous file/Plays/Pauses/
Goes to the next file/Rewinds/Stops/Fastforwards during media playback.
Only available when controlling your smart
device in MHL mode.
10. ZOOM+/ZOOM-
Magnifies or reduces the projected picture
size.
Introduction 11
11. PAGE+/PAGE-
Operate your display software program
(on a connected PC) which responds to
page up/down commands (like Microsoft
PowerPoint).
12. FREEZE
Freezes the projected image.
13. NETWORK SETTING
Displays the Network Settings OSD
menu.
14. QUICK INSTALL
Quickly selects several functions to adjust
the projected image and displays the test
pattern.
15. AUTO
Automatically determines the best picture
timings for the displayed image.
16. Right/
Increases the projector volume.
When the On-Screen Display (OSD) menu
is activated, the #3, #5, and #16 keys are
used as directional arrows to select the
desired menu items and to make
adjustments.
17. SOURCE
Displays the source selection bar.
18. MIC/VOL+/MIC/VOL-
(No function.)
19. MUTE
Toggles projector audio between on and
off.
20. ASPECT
Selects the display aspect ratio.
21. SMART ECO
Displays the Lamp Mode
selecting a suitable lamp operating mode.
menu for
22. Numeric buttons
Enters numbers in network settings.
Operating the LASER pointer
The Laser Pointer is a
presentation aid for
professionals. It emits red
colored light when you press it.
The laser beam is visible. It is
necessary to press and hold
LASER for continuous output.
Do not look into the laser light
window or shine the laser light beam on yourself or
others. See the warning messages on the back of the
remote control prior to using it.
The laser pointer is not a toy. Parents should be
mindful of the dangers of laser energy and keep
this remote control out of the reach of children.
Controlling your smart device with the remote control (MX666)
When the projector projects the content from your MHL compatible smart device, you
can use the remote control to control your smart device.
To enter the MHL mode, press and hold AUTO for 3 seconds. The following buttons are
available for controlling your smart device: Arrow keys ( / Up, / Down,
Left, Right), MENU/EXIT, MODE/ENTER, #0-#9, MHL control buttons.
To leave the MHL mode, press and hold AUTO for 3 seconds.
Introduction12
Remote control (MW665 and for Japan)
2
3
4
8
9
11
12
13
15
17
19
20
21
23
22
16
14
10
6
5
7
7
1
18
18
10. Page Up/Page Down
Operate your display software program (on
a connected PC) which responds to page up/
down commands (like Microsoft
PowerPoint).
11. Digital Zoom+/Digital Zoom-
Magnifies or reduces the projected picture
size.
12. Timer On
Activates or displays an on-screen timer
based on your own timer setting.
13. Timer Set up
Enters presentation timer setting directly.
14. 3D settings
Enters 3D settings directly.
1. POWER
Toggles the projector between standby
mode and on.
2. Info
Shows the status information of the
projector.
3. MENU/EXIT
Turns on the On-Screen Display (OSD)
menu. Goes back to previous OSD menu,
exits and saves menu settings.
4. Left
5. MODE/ENTER
Selects an available picture setup mode.
Activates the selected On-Screen Display
(OSD) menu item.
6. ECO BLANK
Used to hide the screen picture.
7. Keystone/Arrow keys ( / Up, /
Down)
Manually corrects distorted images
resulting from an angled projection.
8. SMART ECO
Displays the lamp mode selection bar.
9. Aspect
Selects the display aspect ratio.
15. AUTO
Automatically determines the best picture
timings for the displayed image.
16. Right
When the On-Screen Display (OSD) menu
is activated, the #4, #7, and #16 keys are
used as directional arrows to select the
desired menu items and to make
adjustments.
17. SOURCE
Displays the source selection bar.
18. Volume +/-
Adjusts the sound level.
19. Mute
Toggles projector audio between on and off.
20. Freeze
Freezes the projected image.
21. QUICK INSTALL
Quickly selects several functions to adjust
the projected image and displays the test
pattern.
22. CC
Displays the video term description on
screen which is provided for hard-of-hearing
viewers.
23. Teaching template
Enters Teaching template setting directly.
Introduction 13
Remote control effective range
• Operating the projector from the front
A
p
p
r
o
x
.
+
3
0
º
MX666
MW665
• Operating the projector from the top
A
p
p
r
o
x
.
+
3
0
º
A
p
p
r
o
x
.
+
3
0
º
A
p
p
r
o
x
.
+
3
0
º
The remote control must be held at an angle within 30 degrees perpendicular to the
projector's IR remote control sensor(s) to function correctly. The distance between the
remote control and the sensor(s) should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor(s) on
the projector that might obstruct the infra-red beam.
MX666
MW665
Introduction14
Replacing the remote control batteries
1. To open the battery cover, turn the remote control over to view its back, push on
the finger grip on the cover and slide it up in the direction of the arrow as illustrated.
The cover will slide off.
2. Remove any existing batteries (if necessary) and install two AAA batteries observing
the battery polarities as indicated in the base of the battery compartment. Positive
(+) goes to positive and negative (-) goes to negative.
3. Refit the cover by aligning it with the base and sliding it back down into position. Stop
when it clicks into place.
• Avoid leaving the remote control and batteries in an excessive heat or humid environment like the
kitchen, bathroom, sauna, sunroom or in a closed car.
• Replace only with the same or equivalent type recommended by the battery manufacturer.
• Dispose of the used batteries according to the manufacturer's instructions and local environment
regulations for your region.
• Never throw the batteries into a fire. There may be danger of an explosion.
• If the batteries are dead or if you will not be using the remote control for an extended period of time,
remove the batteries to avoid damage to the remote control from possible battery leakage.
Introduction 15
Positioning your projector
Choosing a location
Your projector is designed to be installed in one of four possible installation locations:
1. Front Table
Select this location with the projector
placed on the table in front of the screen.
This is the most common way to position
the projector for quick setup and
portability.
2. Front Ceiling
Select this location with the projector
suspended upside-down from the ceiling in
front of the screen.
Purchase the BenQ Projector Ceiling
Mount Kit from your dealer to mount your
projector on the ceiling.
Set Front Ceiling in the SYSTEM
SETUP: Basic > Projector Installation
menu after you turn the projector on.
3. Rear Ceiling
Select this location with the projector
suspended upside-down from the ceiling
behind the screen.
Note that a special rear projection screen
and the BenQ Projector Ceiling Mount Kit
are required for this installation location.
Set Rear Ceiling in the SYSTEM
SETUP: Basic > Projector Installation
menu after you turn the projector on.
4. Rear Table
Select this location with the projector
placed on the table behind the screen.
Note that a special rear projection screen
is required.
Set Rear Table in the SYSTEM SETUP:
Basic > Projector Installation menu
after you turn the projector on.
Your room layout or personal preference will dictate which installation location you select.
Take into consideration the size and position of your screen, the location of a suitable
power outlet, as well as the location and distance between the projector and the rest of
your equipment.
Positioning your projector16
Obtaining a preferred projected image size
H
W
Projection distance
Center of lens
Screen
Ver t i c al o f f s et
4:3 Screen diagonal
The distance from the projector lens to the screen, the zoom setting, and the video format
each factors in the projected image size.
Projection dimensions
Refer to "Dimensions" on page 62 for the center of lens dimensions of this projector
before calculating the appropriate position.
MX666
The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio
Screen size Projection distance (mm)
Diagonal
Inch mm
50 1270 1016 762 1538 1769 2000 57
60 1524 1219 914 1846 2123 2400 69
70 1778 1422 1067 2154 2477 2800 80
80 2032 1626 1219 2462 2831 3200 91
90 2286 1829 1372 2769 3185 3600 103
100 2540 2032 1524 3077 3538 4000 114
120 3048 2438 1829 3692 4246 4800 137
155 3937 3150 2362 4769 5485 6200 177
200 5080 4064 3048 6154 7077 8000 229
250 6350 5080 3810 7692 8846 10000 286
300 7620 6096 4572 9231 10615 12000 343
For example, if you are using an 120-inch screen, the recommended projection distance is
4246 mm and the vertical offset is 137 mm.
If your measured projection distance is 5.5 m (5500 mm), the closest match in the
"Projection distance (mm)" column is 5485 mm. Looking across this row shows that a 155''
(about 3.9 m) screen is required.
W
(mm)H (mm)
Min
distance
(max.
zoom)
Average
Max
distance
(min.
zoom)
Ve rt ic al
offset
(mm)
Positioning your projector 17
MW665
H
W
Projection distance
Center of lens
Screen
Ver t i c al o f f s et
16:10 Screen diagonal
The screen aspect ratio is 16:10 and the projected picture is in a 16:10 aspect ratio
Screen size Projection distance (mm)
Diagonal
Inch mm
60 1524 1292 808 1569 1804 2039 81
70 1778 1508 942 1830 2105 2379 94
80 2032 1723 1077 2092 2405 2719 108
90 2286 1939 1212 2353 2706 3059 121
100 2540 2154 1346 2614 3007 3399 135
110 2794 2369 1481 2876 3307 3739 148
120 3048 2585 1615 3137 3608 4078 162
130 3302 2800 1750 3399 3908 4418 175
140 3556 3015 1885 3660 4209 4758 188
150 3810 3231 2019 3922 4510 5098 202
160 4064 3446 2154 4183 4810 5438 215
170 4318 3662 2289 4444 5111 5778 229
W
(mm)H (mm)
Min
distance
(max.
zoom)
Average
Max
distance
(min.
zoom)
For example, if you are using an 120-inch screen, the recommended projection distance is
3608 mm and the vertical offset is 162 mm.
If your measured projection distance is 4.5 m (4500 mm), the closest match in the
"Projection distance (mm)" column is 4510 mm. Looking across this row shows that a 150''
(about 3.8 m) screen is required.
All measurements are approximate and may vary from the actual sizes.
BenQ recommends that if you intend to permanently install the projector, you should physically test the
projection size and distance using the actual projector in situ before you permanently install it, so as to make
allowance for this projector's optical characteristics. This will help you determine the exact mounting position
so that it best suits your installation location.
Ver ti ca l
offset
(mm)
Positioning your projector18
Connection
11
10
784 1 216 3
9
57 7
MX666
MW665
10
Notebook or desktop
computer
Speakers
or
A/V device
Monitor
(DVI)
(VGA)
or
Smartphone
or tablet PC
or
When connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted.
• In the connections shown below, some cables may not be included with the projector (see "Shipping
contents" on page 8). They are commercially available from electronics stores.
• The connection illustrations below are for reference only. The rear connecting jacks available on the
projector vary with each projector model.
Connection 19
1. VGA cable
2. VGA to DVI-A cable
3. USB cable
4. Component Video to VGA (D-Sub)
adapter cable
5. S-Video cable
• Many notebooks do not turn on their external video ports when connected to a projector. Usually a key
combo like FN + F3 or CRT/LCD key turns the external display on/off. Locate a function key labeled CRT/
LCD or a function key with a monitor symbol on the notebook. Press FN and the labeled function key
simultaneously. Refer to your notebook's documentation to find your notebook's key combination.
• The D-Sub output only works when an appropriate D-Sub input is made to the COMPUTER 1 jack.
• If you wish to use this connection method when the projector is in standby mode, make sure the
Monitor Out function is turned on in the SYSTEM SETUP: Advanced menu. See "Standby Settings"
on page 51 for details.
6. Video cable
7. Audio cable
8. Audio L/R cable
9. USB flash drive/USB wireless dongle
10. HDMI cable
11. HDMI-Micro USB cable
Connecting video source devices
You need only connect the projector to a video source device using just one of the
connecting methods, however each provides a different level of video quality. The method
you choose will most likely depend upon the availability of matching terminals on both the
projector and the video source device as described below:
Te r m i na l n a me Terminal appearance Picture quality
HDMI/MHL (MX666)
HDMI (MW665)
Best
Component Video
S-Video
Video
Better
Good
Normal
Connecting audio
The projector has built-in mono speaker(s) which are designed to provide basic audio
functionality accompanying data presentations for business purposes only. They are not
designed for, nor intended for stereo audio reproduction use as might be expected in
home theater or home cinema applications. Any stereo audio input (if provided), is mixed
into a common mono audio output through the projector speaker(s).
The built-in speaker(s) will be muted when the AUDIO OUT jack is connected.
• The projector is only capable of playing mixed mono audio, even if a stereo audio input is connected. See
"Connecting audio" on page 20 for details.
Connection20
• If the selected video image is not displayed after the projector is turned on and the correct video source
Power
has been selected, check that the video source device is turned on and operating correctly. Also check
that the signal cables have been connected correctly.
Connecting smart devices (MX666)
The projector can project the content directly from a MHL compatible smart device. Using
a HDMI to Micro USB cable or a HDMI to Micro USB adaptor, you can connect your smart
devices to the projector and then enjoy your content on the big screen.
Some smart devices may not be compatible to the cable that you use. Please consult the manufacturer of your
smart device for detailed information.
Using a HDMI to Micro USB cable
1. Take a HDMI to Micro USB cable and connect one end to the HDMI input connector
on the projector.
2. Connect the other end to the Micro USB output socket on your smart device.
3. Switch to the HDMI/MHL input source. To switch input signal, see "Switching input
signal" on page 28 for details.
Using a HDMI to Micro USB adaptor and a HDMI cable
1. Take a HDMI cable and connect one end to the HDMI input connector on the
projector.
2. Connect the other to the HDMI input socket on the adaptor.
3. Connect the other of the adaptor to the Micro USB output socket on your smart
device.
4. Switch to the HDMI/MHL input source. To switch input signal, see "Switching input
signal" on page 28 for details.
Connection 21
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