BenQ LX720 User manual
Quick Start Guide
Digital Projector
LX720 / LW720 / LH720
Notice
To ensure safe use of this product, Please read the user manual for details before you operate
your projector.
Caution - Use of control or adjustments or performance of procedures other than those
specified herein may result in hazardous radiation exposure.
Cooling notice
Ventila ti on
• Avoid using the projector in a poorly ventilated or confined space.
Risk Group 2
1. According to the classification of
photobiological safety of light sources
and light source systems, this product
is Risk Group 2, IEC 62471-5:2015.
2. Possibly hazardous optical radiation
emitted from this product.
3. Do not stare at operating light source.
May be harmful to the eyes.
4. As with any bright source, do not
stare into the direct beam.
T
he projector's light source unit uses a laser.
Laser Caution
(For China and other regions) This product
belongs to CLASS 1 laser product and
complies with IEC 60825-1 :2014.
(For north America) This product belongs to
CLASS IIIa laser product.and complies with
IEC 60825-1:2007.
LASER RADIATION
AVOID DIRECT EYE EXPOSURE
CLASS 3R LASER PROOUCT
(For north America)
(For other regions)
Above laser cautions are located on the
bottom of this apparatus
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Air inlet
Air inlet Air outlet
Air outlet
70 cm
above
70 cm
above
70 cm
above
70 cm
above
30 cm
above
70 cm
above
Minimum 100 mm
Caution for installation
For proper ventilation of the projector, make sure to leave some
space around the projector as shown in the illustration below:
Product information
Shipping contents
Remote control
OFF
ON
PC 1
HDMI 1
VIDEO
SOURCE
NETWORK
HDMI 2/MHL
ECO BLANK
OK
LASER
MUTE
LIGHT MODE
QUICK INSTALL
FREEZE
KEYSTONE / UP
VOLUME - / LEFT VOLUME + / RIGHT
AUTO
BACK
MENU
INFO
MHL
ZOOM+/ZOOM- ASPECT
PICTURE
PAGE+/PAGE-
KEYSTONE / DOWN
Control terminals
Installation
Projection dimensions
LX720
• The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio
H
WProjection distance
Center of lens
Screen
4:3 Screen diagonal
Offset
Screen size Projection distance (mm)
Diagonal H (mm) W (mm) Min distance Average Max distance
Inch mm (max. zoom) (min. zoom)
30 762 457 610 1093 1395 1696
40 1016 610 813 1468 1871 2273
50 1270 762 1016 1844 2347 2850
60 1524 914 1219 2220 2823 3426
80 2032 1219 1626 2972 3776 4580
100 2540 1524 2032 3724 4729 5733
120 3048 1829 2438 4476 5681 6886
140 3556 2134 2845 5228 6634 8040
160 4064 2438 3251 5980 7587 9193
180 4572 2743 3658 6731 8539 10346
200 5080 3048 4064 7483 9492 11500
220 5588 3353 4470 8235 10444 12653
250 6350 3810 5080 9363 11873 14383
270 6858 4115 5486 10115 12826 15536
300 7620 4572 6096 11243 14255 17266
LW 7 2 0
• The screen aspect ratio is 16:10 and the projected picture is in a 16:10 aspect ratio
H
WProjection distance
Center of lens
Screen
16:10 Screen diagonal
Offset
Screen size Projection distance (mm)
Diagonal H (mm) W (mm) Min distance Average Max distance
Inch mm (max. zoom) (min. zoom)
30 762 404 646 911 1166 1421
40 1016 538 862 1232 1571 1910
50 1270 673 1077 1554 1977 2400
60 1524 808 1292 1875 2383 2890
80 2032 1077 1723 2518 3194 3870
100 2540 1346 2154 3160 4005 4849
120 3048 1615 2585 3803 4816 5829
140 3556 1885 3015 4445 5627 6809
160 4064 2154 3446 5088 6439 7789
180 4572 2423 3877 5731 7250 8768
200 5080 2692 4308 6373 8061 9748
220 5588 2962 4739 7016 8872 10728
250 6350 3365 5385 7980 10089 12197
300 7620 4039 6462 9586 12116 14646
LH720
• The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio
• 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.
H
WProjection distance
Center of lens
Screen
16:9 Screen diagonal
Offset
Screen size Projection distance (mm)
Diagonal H (mm) W (mm) Min distance Average Max distance
Inch mm (max. zoom) (min. zoom)
30 762 374 664 891 1140 1389
40 1016 498 886 1205 1537 1869
50 1270 623 1107 1520 1934 2348
60 1524 747 1328 1834 2331 2828
80 2032 996 1771 2463 3125 3787
100 2540 1245 2214 3092 3919 4746
120 3048 1494 2657 3721 4713 5704
140 3556 1743 3099 4350 5507 6663
160 4064 1992 3542 4979 6301 7622
180 4572 2241 3985 5608 7095 8581
200 5080 2491 4428 6237 7889 9540
220 5588 2740 4870 6866 8683 10499
250 6350 3113 5535 7809 9873 11937
300 7620 3736 6641 9382 11859 14335
Shifting the projection lens
Calibrating LumiExpert
When the LumiExpert is activated for the first time, follow the steps below to calibrate
LumiExpert.
1V
LX720 LW720 LH720
min. 0.15V 0.125V 0.16V
max. 0.39V 0.25V 0.3V
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