LS740HD

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Package Contents

Number Description
1 Projector
2 Remote Control
3 Batteries
4 Quick Start Guide
5 Power Cord
6 Power Adapter

Projector Overview

Number Description
1 Keypad
2 Focus Ring
3 Zoom Ring
4 Front IR
5 Top IR
6 DC IN
7 Lens
8 I/O Ports
9 Vent (inlet)
10 Vent (outlet)
NOTE: Do not block projector intake and exhaust vents.

I/O Ports

Number Port Description
1 DC IN DC IN socket
2 AUDIO OUT Audio signal output socket
3 USB (5V/1.5A Out)
(Service)
USB Type A port for power and service
4 RS-232 RS-232 control port
5 HDMI 1[1] / HDMI 2[1] HDMI port
  1. 1.0 1.1 Supports HDCP 1.4.

Keypad

Icon Button Description
Power Power Toggles the projector between standby mode and Power On.
Keystone Keystone Manually corrects distorted images resulting from an angled projection.
Navigation Navigation Selects the desired menu items and makes adjustments when the On-Screen Display (OSD) Menu is activated.
Menu/Exit Menu/Exit Turns on or off the On-Screen Display (OSD) Menu.
Source Source Displays the input source selection bar.
Information Information Displays the INFORMATION menu.
Enter Enter Enacts the selected On-Screen Display (OSD) Menu item when the OSD Menu is activated.
Auto Auto Automatically determines the best picture timings for the displayed image.

Indicator Lights

Indicator Light Description
Power Indicator Power indicator light
Light Source Indicator Light Source indicator light
Temperature Indicator Temperature indicator light

Overview

Remote Control
Number Button Description
1 AV Mute Hides the screen picture and volume mute.
2 Power Turns the projector On or Off.
3 Auto Sync Automatically determines the best picture timings for the displayed image.
4 Source Displays the input source selection bar.
5 Navigation Buttons Navigates and selects the desired menu items and make adjustments.
6 Enter Confirms the selection.
7 Menu/Exit
  • Turns the On-Screen Display (OSD) Menu On or Off.
  • Go back to a previous OSD Menu.
  • Exit and Save menu settings.
8 Brightness Displays the brightness mode selection bar.
9 Volume Up Increase the volume level.
10 Keystone Manually correct distorted images.
11 Volume Down Decrease the volume level.
12 Video Unsupported Button
13 VGA Unsupported Button
14 HDMI Selects the HDMI 1 or HDMI 2 input source.
15 Aspect Displays the aspect ratio selection bar.
16 Page Up Unsupported Button
17 Zoom In Increases the projected image size.
18 Freeze Freeze the projected image.
19 Zoom Out Reduces the projected image size.
20 Page Down Unsupported Button
21 Display Mode Displays the color mode selection bar.
22 Mouse Mode Unsupported Button
23 Mute Mute/Unmute.

Remote Control - Receiver Range

IR Receiver Location

To ensure proper function of the remote control follow the steps below:

  1. The remote control must be held at an angle within 30° perpendicular to the projector’s IR remote control sensor(s).
  2. The distance between the remote control and the sensor(s) should not exceed 8 m (26 ft.).
  3. NOTE: Refer to the illustration for the location of the infrared (IR) remote control sensor(s).

Replacing the Batteries

  1. Remove the battery cover from the bottom of the remote control by pressing the finger grip and sliding it across.
  2. Remove any existing batteries (if necessary) and install two AAA batteries.
  3. NOTE: Observe the battery’s polarities as indicated.
  4. Replace the battery cover by aligning it with the base and pushing it back into position.
  5. NOTE:
    • Avoid leaving the remote control and batteries in excessive heat or a humid environment.
    • Replace only with the same or equivalent type recommended by the battery manufacturer.
    • If the battery is drained or if you will not be using the remote control for an extended period of time, remove the battery to avoid damage to the remote control.
    • Dispose of used batteries according to the manufacturer’s instructions and local environment regulations for your region.


Choosing a Location - Projector Orientation

Personal preference and room layout will decide the installation location. Consider the following:

  • Size and position of your screen.
  • Location of a suitable power outlet.
  • Location and distance between the projector and other equipment.

The projector is designed to be installed in one of the following locations:

Location Description
Desk Front The projector is placed near the floor in front of the screen.
Ceiling Front The projector is suspended upside-down from the ceiling in front of the screen.
Desk Rear[1] The projector is placed near the floor behind the screen.
Ceiling Rear[1] The projector is suspended upside-down from the ceiling behind the screen.
  1. 1.0 1.1 A rear projection screen is required.

Projection Dimensions

16:9 Image on a 16:9 Screen

NOTE: (e) = Screen | (f) = Center of Lens
(a) Screen Size (b) Projection Distance (c) Image Height (d) Vertical Offset
min. max.
in. mm in. mm in. mm in. mm in. mm
30 762 29.55 750 38.44 976 14.71 374 2.35 60
40 1016 39.40 1001 51.25 1302 19.61 498 3.14 80
50 1270 49.24 1251 64.06 1627 24.51 623 3.92 100
60 1524 59.09 1501 76.87 1953 29.42 747 4.71 120
70 1778 68.94 1751 89.69 2278 34.32 872 5.49 139
80 2032 78.79 2001 102.50 2603 39.22 996 6.28 159
90 2286 88.64 2251 115.31 2929 44.12 1121 7.06 179
100 2540 98.49 2502 128.12 3254 49.03 1245 7.84 199
110 2794 108.34 2752 140.93 3580 53.93 1370 8.63 219
120 3048 118.19 3002 153.75 3905 58.83 1494 9.41 239
130 3302 128.03 3252 166.56 4231 63.73 1619 10.20 259
140 3556 137.88 3502 179.37 4556 68.64 1743 10.98 279
150 3810 147.73 3752 192.18 4881 73.54 1868 11.77 299
200 5080 196.98 5003 256.24 6509 98.05 2491 15.69 398
250 6350 246.22 6254 320.30 8136 122.57 3113 19.61 498
300 7620 295.46 7505 384.36 9763 147.08 3736 23.53 598
NOTE:
  • These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
  • It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

16:9 Image on a 4:3 Screen

NOTE: (e) = Screen | (f) = Center of Lens
(a) Screen Size (b) Projection Distance (c) Image Height (d) Vertical Offset
min. max.
in. mm in. mm in. mm in. mm in. mm
30 762 27.12 689 35.28 896 13.50 343 2.16 55
40 1016 36.16 918 47.04 1195 18.00 457 2.88 73
50 1270 45.20 1148 58.80 1494 22.50 572 3.60 91
60 1524 54.24 1378 70.56 1792 27.00 686 4.32 110
70 1778 63.28 1607 82.32 2091 31.50 800 5.04 128
80 2032 72.32 1837 94.08 2390 36.00 914 5.76 146
90 2286 81.36 2067 105.84 2688 40.50 1029 6.48 165
100 2540 90.40 2296 117.60 2987 45.00 1143 7.20 183
110 2794 99.44 2526 129.36 3286 49.50 1257 7.92 201
120 3048 108.48 2755 141.12 3584 54.00 1372 8.64 219
130 3302 117.52 2985 152.88 3883 58.50 1486 9.36 238
140 3556 126.56 3215 164.64 4182 63.00 1600 10.08 256
150 3810 135.60 3444 176.40 4481 67.50 1715 10.80 274
200 5080 180.80 4592 235.20 5974 90.00 2286 14.40 366
250 6350 226.00 5740 294.00 7468 112.50 2858 18.00 457
300 7620 271.20 6888 352.80 8961 135.00 3429 21.60 549
NOTE:
  • These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
  • It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

Mounting the Projector

NOTE: If you buy a third party mount, please use the correct screw size. Screw size can vary depending on the thickness of the mounting plate.
  1. To ensure the most secure installation, please use a ViewSonic® wall or ceiling mount.
  2. Ensure the screws used to attach the mount to the projector meet the following specifications:
    • Screw type: M4 x 8
    • Maximum Screw Length: 8 mm
CAUTION
  • Avoid installing the projector near a heat source or air conditioner.
  • Keep at least a 10 cm (3.9 in.) gap between the ceiling and the bottom of the projector.

Using the Security Bar

To help prevent the projector from being stolen, use a security slot locking device to secure the projector to a fixed object.


Connecting to Power

  1. Connect the power cord to the power adapter.
  2. Connect the power adapter to the DC IN jack at the rear of the projector.
  3. Plug the power cord into a power outlet.
NOTE: When installing the projector, incorporate a readily accessible disconnect device in the fixed wiring, or connect the power plug to an easily accessible outlet near the unit. If a fault should occur during operation of the projector, use the disconnect device to switch off the power supply, or disconnect the power plug.

Connecting to External Devices

HDMI Connection

Connect one end of an HDMI cable to the HDMI port of your video device. Then connect the other end of the cable to the HDMI 1/2 port of your projector.

Audio Connection

To play audio from the projector through an external speaker, connect one end of an audio cable to the external speaker, and the other end to the projector’s AUDIO OUT port.

USB Connection

USB Type A Connection

The USB port is for supplying power (e.g., dongles) and service needs.

NOTE: The USB port does not supply power when the projector is in standby mode.

RS-232 Connection

When you use a RS-232 serial port cable to connect the projector to an external computer certain functions can be controlled remotely by the PC, including Power On/Off, Volume adjustment, Input select, Brightness, and more.

Starting the Projector

  1. Ensure the projector’s power cord is properly connected to a power outlet.
  2. Press the Power button on the projector or remote control to turn on the projector.
  3. NOTE:
    • The Power Indicator Light will be flashing blue during startup.
    • The first time the projector is turned on, you will be prompted to select the preferred language, projection orientation, and other settings.

Selecting an Input Source

The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time.

When Auto Source is On, the projector will automatically search for input sources. If multiple sources are connected, press the Source button on the projector or remote control to select the desired input.

NOTE: Ensure the connected sources are also turned on.

Adjusting the Projected Image

Adjusting the Projector’s Height and Projection Angle

The projector is equipped with three (3) adjustment feet. Adjusting the feet will change the projector’s height and the vertical projection angle.

Adjusting the Focus, Keystone, and Zoom

You can improve and adjust the clarity and position of the image by adjusting the Focus Ring, Keystone Keys, or Zoom Ring.

Shutting Down the Projector

  1. Press the Power button on the projector or remote control and a “power off message” will appear.
  2. Press the Power button again to confirm and shut down the projector.
  3. The Power Indicator Light will turn solid red and enter standby mode.

On-Screen Display (OSD) Menu

The projector has multilingual on-screen display menus that allow you to make image adjustments and change a variety of settings.

Menu Description
Display
Adjust Image, 3D, Aspect Ratio, Zoom, and Keystone settings.
Audio
Adjust the volume level or mute.
Setup
Adjust Projection, Power, Security, Language, Input Source, etc. settings.
Information
View projector information.

Menu Navigation

The projector has multilingual on-screen display menus that allow for image and settings adjustment.

  1. To open the On-Screen Display (OSD) Menu, press the Menu/Exit button on the projector or the remote control.
  2. When the OSD is displayed, use the Navigation buttons to select any item in the main menu. While making a selection on a particular page, press the Enter button on the projector or the remote control to enter a sub-menu.
  3. Use the Navigation buttons to select the desired item in the sub-menu and then press Enter to view further settings. Adjust the settings by using the Navigation buttons.
  4. Select the next item to be adjusted in the sub-menu and adjust as described above.
  5. Press Enter to confirm, and the screen will return to the main menu.
  6. To exit, press the Menu/Exit button again. The OSD menu will close and the projector will automatically save the new settings.


On-Screen Display (OSD) Menu Tree

Sub-menu Menu Option
Image Settings Display Mode Presentation
Bright
Cinema
Gaming
User
3D
Brightness (-/+, -50~50)
Contrast (-/+, -50~50)
Sharpness (-/+, 1~15)
Color (-/+, -50~50)
Tint (-/+, -50~50)
Gamma Film
Video
Graphics
Standard (2.2)
Color Settings Brilliant Color™ (-/+, 1~10)
Color Temperature Warm
Standard
Cool
Cold
Color Matching Color Red
Green
Blue
Cyan
Yellow
Magenta
White
Hue/R (-/+, -50~50)
Saturation/G (-/+, -50~50)
Gain/B (-/+, -50~50)
Reset
Exit
Color Space Auto
RGB (0~255)
RGB (16~235)
YUV
Brightness Mode Dynamic Black
Eco
Power 100%~50%
Reset
3D 3D Mode Off
On
3D Format Auto
SBS
Top and Bottom
Frame Sequential
3D Sync Invert Off
On
Aspect Ratio 4:3
16:9
Full
L.BOX
Auto
Zoom (-/+, -5~25)
Keystone Four Corners Top-Left
Top-Right
Bottom-Left
Bottom-Right
H. Keystone (-/+, -30~30)
V. Keystone (-/+, -30~30)
Auto Keystone
Reset

Sub-menu Menu Option
Mute Off
On
Volume (-/+, 0~10)

Sub-menu Menu Option
Projection Desk Front
Desk Rear
Ceiling Front
Ceiling Rear
Power Settings Direct Power On Off
On
Signal Power On Off
On
Auto Power Off (-/+, 0~180) minutes
Security Security Off
On
Security Timer Month (-/+, 0~12)
Day (-/+, 0~30)
Hour (-/+, 0~24)
Change Password
HDMI CEC HDMI CEC Off
On
Test Pattern Test Pattern Off
Green Grid
Magenta Grid
White Grid
White
Test Card
Options Language English
Deutsch
Français
Italiano
Español
Português
Polski
Nederlands
Svenska
Norsk/Dansk
Suomi
ελληνικά
繁體中文
簡体中文
日本語
한국어
Русский
Magyar
Čeština
يبرع
ไทย
Türkçe
یسراف
Tiếng Việt
Bahasa
Indonesia
Română
Slovenčina
Auto Source Off
On
High Altitude Off
On
Keypad Lock Off
On
Logo Default
User
Reset Reset to Default

Sub-menu Menu Option
Serial Number
Source
Resolution
Refresh Rate
Display Mode
Light Source Hours
Brightness Mode
Firmware Version System
MCU

Display Menu

Menu Description
Image Settings Display Mode
There are several predefined display modes that you can choose from to suit your viewing preference.
Mode Description
Presentation Suitable for most presenting needs for business and education environments.
Bright Suitable for bright, well-lit environments.
Cinema Provides the best balance of detail and colors for watching movies.
Gaming Optimizes your projector for maximum contrast and vivid colors allowing you to see shadow detail when playing games.
User User’s custom settings.
3D Optimized for 3D content.
NOTE: 3D glasses are needed.
Brightness
The higher the value, the brighter the image. Lower values will result in a darker image.
Contrast
Use this to set the peak white level after you have previously adjusted the Brightness setting to suit your selected input and viewing environment.
Sharpness
A high value results in a sharper picture; a low value softens the picture.
Color
Adjust an image from black and white to fully saturated color.
Tint
The higher the value, the more greenish the picture becomes. The lower the value, the more reddish the picture becomes.
Gamma
Reflects the relationship between input source and picture brightness.
Color Settings
Setting Description
Brilliant Color™ A color-processing algorithm and enhancements to enable higher brightness while providing true, more vibrant colors in picture.
Color Temperature Select from Warm, Standard, Cool, or Cold.
Color Matching Only in permanent installations with controlled lighting levels such as: boardrooms, lecture halls, or home theaters should Color Matching be considered.

Color Matching provides fine color control adjustment to allow for more accurate color reproduction, should you require it.

If you have purchased a test disc, which contains various color test patterns and can be used to test the color presentation on monitors, TVs, projectors, etc., you can project any image from the disc on the screen and enter the Color Matching menu to make adjustments.

Color Space Select from Auto, RGB (0~255), RGB (16~235), and YUV color space.
Brightness Mode
Mode Description
Dynamic Black Automatically adjust the picture brightness in order to give optimum contrast performance.
Eco Dim the light output, lowering power consumption.
Power Select the power percentage (50%~100%) for brightness mode.
Reset
Return current display mode settings (Brightness, Contrast, Sharpness, Color, Tint, Gamma, Brilliant Color, Color Temperature, Color Matching, Color Space, Brightness Mode) to default values.
3D[1] 3D Mode
Enable or disable the 3D function.
3D Format
Select the 3D content format.
NOTE: A Blu-ray 3D source will be detected automatically, and options will not be selectable.
Option Description
Auto When a 3D identification signal is detected, the 3D format is selected automatically.
SBS (Side-by-Side) Display in Side-by-Side format.
Top and Bottom Display in Top and Bottom format.
Frame Sequential Display in Frame Sequential format.
3D Sync Invert
Enable or disable the 3D Sync Invert function.
Aspect Ratio Select the aspect ratio of the projected image.
Aspect Ratio Description
4:3 Scales an image so that it is displayed in the center of the screen with a 4:3 aspect ratio. This is most suitable for 4:3 images like computer monitors, standard definition TV, and 4:3 aspect DVD movies, as it displays them without aspect alteration.
16:9 Scales an image so that it is displayed in the center of the screen with a 16:9 aspect ratio. This is most suitable for images which are already in a 16:9 aspect, like high definition TV.
L.BOX For non-16:9 letterbox source and if you use an external 16:9 lens to display 2.35:1 aspect ratio in full resolution.
Full Extend the image to fully fill the screen.
Auto Scales an image proportionally to fit the projector’s native resolution in its horizontal width. This is suitable for the incoming image which is neither 4:3 nor 16:9 and you want to make the most use of the screen without altering the image’s aspect ratio.
Zoom Reduce or magnify the projected image.
Keystone
Option Description
Four Corners Adjust each corner to make a square image when the projection surface is not level.
NOTE: While adjusting the Four Corners, the Aspect Ratio, Edge Mask, Image Shift, and Zoom menus will be disabled. To enable them, reset the Keystone settings to default.
H. Keystone Adjust image distortion horizontally.
V. Keystone Adjust image distortion vertically.
Auto Keystone Automatically correct the keystone.
Reset Return the Keystone settings to default.
  1. This projector is a 3D ready projector with DLP-Link 3D solution. Please make sure your 3D glasses are for DLP-Link 3D. This projector supports frame sequential (page-flip) 3D via the HDMI 1/HDMI 2 ports. For the best performance, 1920 x 1080 resolution is recommended. Please note that 4K (3840 x 2160) resolution is not supported in 3D mode.

Audio Menu

Menu Description
Mute Temporarily turn off the sound.
Volume Adjust the volume level.

Setup Menu

Menu Description
Projection Select the preferred projection: Front, Rear, Ceiling-Top, and Rear-Top.
Power Settings Direct Power On

Automatically power on the projector when AC power is supplied, without pressing the Power button on the projector or the remote control.

Signal Power On

Automatically power on the projector when a signal is detected, without pressing the Power button on the projector or on the remote control.

Auto Power Off

A countdown timer will start when there is no signal being sent to the projector. The projector will automatically power off when the countdown has finished (in minutes).

Security Security

Enable or disable a password prompt before using the projector.

NOTE: The default password is: 1234
Security Timer

Set the amount of time the projector can be used. Once this time has elapsed you will be requested to enter your password again.

Change Password

Set or modify the password.

HDMI CEC When you connect HDMI CEC-compatible devices to the projector with HDMI cables, you can control them on the same power on or power off status using the HDMI CEC control feature in the projector’s OSD. This lets one device or multiple devices in a group power on or power off via HDMI CEC in a typical configuration.
NOTE:
  • In order for the CEC function to work properly, make sure that the device is correctly connected to the HDMI input of the projector via an HDMI cable, and its CEC function is turned on.
  • Depending on the connected device, the CEC function may not work.
Test Pattern Select the test pattern from green grid, magenta grid, white grid, white, or disable this function (off).
Options Language

Select the On-Screen Display (OSD) Menu language.

Auto Source

Automatically find an available input source.

High Altitude

When On, the fans will spin faster for better cooling and performance. This is useful for high altitude environments where the air is thin.

Keypad Lock

Lock all keypad buttons, except for the Power key.

NOTE: To release keypad lock, press and hold the Enter key on the projector for 5 seconds. You can also use the remote control and go to: Setup > Keypad Lock > Off.
Logo

Set the “startup screen”. If changes are made, they will take effect the next time the projector is powered on.

Reset Return the settings to default.
NOTE: When resetting, the following settings will still remain: Language, Projection, High Altitude, Security Settings, Zoom, Keystone Settings.

Information Menu

View Serial Number, Source, Resolution, Refresh Rate, Display Mode, Light Source Hours, Brightness Mode, and Firmware Version information.


Technical Specifications

Item Category Specifications
Model P/N. LS740HD
No. VS19579
Projector Type Laser
Display Size 30”~300”
Throw Ratio 1.13~1.47
(100”@2.50m)
Lens F=2.43~2.78, f=16.901~21.6076 mm
Display System 1-CHIP DMD
Input Signal HDMI fh: 15~102 kHz, fv:23~120 Hz, Pixel rate: 165 MHz
Resolution Native 1920 x 1080
Power Input Voltage DC IN 100-240V, 50/60 Hz (auto switch)
Operating Conditions Temperature 0°C to 40°C (32°F to 104°F)
Humidity 10% to 80% (non-condensing)
Altitude 0 to 760 m (0 to 2,500 ft.) at 0°C to 40°C (32°F to 104°F)
760 to 1,520 m (2,500 to 5,000 ft.) at 0°C to 35°C (32°F to 95°F)
1,520 to 3,660 m (5,000 to 12,000 ft.) at 0°C to 30°C (32°F to 86°F)
Storage Conditions Temperature -20°C to 60°C (-4°F to 140°F)
Humidity 0% to 90% (non-condensing)
Altitude 0 to 12,100 m (0 to 40,000 ft.)
Dimensions Physical
(W x H x D)
286 x 216 x 129 mm
(11.26” x 8.50” x 5.08”)
Weight Physical 3.0 kg (6.61 lbs)
Power Consumption On[1] 210W (Typical)
Off < 0.5W (Standby)
  1. The test condition follows EEI standards.

Projector Dimensions

286 mm (W) x 129 mm (H) x 216 mm (D)

Timing Chart

HDMI Video Timing

Timing Resolution Refresh Rate (Hz)
SDTV 640 x 480 60
SDTV (480i) 720 x 480 60
SDTV (480p) 720 x 480 60
SDTV (576i) 720 x 576 50
SDTV (576p) 720 x 576 50
HDTV (720p) 1280 x 720 50 / 60
HDTV (1080i) 1920 x 1080 50 / 60
HDTV (1080p) 1920 x 1080 24 / 50 / 60

HDMI PC Timing

Signal Resolution Refresh Rate (Hz)
VGA 640 x 480 60 / 67 / 72 / 75
720 x 400 70
SVGA 800 x 600 56 / 60 / 72 / 75
832 x 624 75
XGA 1024 x 768 60 / 70 / 75
1152 x 864 75
Quad-VGA 1280 x 960 60
SXGA 1280 x 1024 60 / 75
WXGA+ 1440 x 900 60
WSXGA+ 1680 x 1050 60
WUXGA 1920 x 1200-RB2 59.95
HD 1280 x 720 50 / 60 / 120
1080P 1920 x 1080 50 / 60
MAC 13" 640 x 480 60
MAC 19" 1024 x 768 75
MAC 21" 1152 x 870 75

3D Support Timing

HDMI 3D
Frame Packing Format
Timing Resolution Refresh Rate (Hz)
1080p 1920 x 1080 24
720p 1280 x 720 50 / 60
Side by Side Format
Timing Resolution Refresh Rate (Hz)
1080i 1920 x 1080 50 / 60
Top and Bottom Format
Timing Resolution Refresh Rate (Hz)
1080p 1920 x 1080 24

LED Indicators

Status and Description Power Indicator Light Temperature Indicator Light Light Source Indicator Light
Red Blue Red Red
Standby State
(Power cord input)
Steady Light
Power On
(Warming)
Flashing Light
(0.5 sec off/0.5 sec on)
Power On and Lamp Lighting Steady Light
Power Off
(Cooling)
Flashing Light
(0.5 sec off/0.5 sec on)
Back to red steady light when the cooling fan turns off.
Error
(Lamp Failure)
Steady Light
Error
(Fan Failure)
Flashing
Error
(Overheat)
Steady Light

Compliance Information

This section addresses all connected requirements and statements regarding regulations. Confirmed corresponding applications shall refer to nameplate labels and relevant markings on the unit.

FCC Compliant Statement

This device complies with part 15 of FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.
Warning: You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

Industry Canada Statement

This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de classe B est conforme à la norme NMB-003 du Canada.
CAN ICES-003(B)/NMB-003(B)

CE Conformity for European Countries

The device complies with the EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU. Ecodesign Directive 2009/125/EC and Radio Equipment Directive 2014/53/EU. (Frequency Range:2400~2483.5 MHz, 5150~5250 MHz) (Max Output Power: under 20 dBm)

The following information is only for EU-member states:

The mark shown to the right is in compliance with the Waste Electrical and Electronic Equipment Directive 2012/19/EU (WEEE). The mark indicates the requirement NOT to dispose of the equipment as unsorted municipal waste, but use the return and collection systems according to local law.

Declaration of RoHS2 Compliance

This product has been designed and manufactured in compliance with Directive 2011/65/EU of the European Parliament and the Council on restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS2 Directive) and is deemed to comply with the maximum concentration values issued by the European Technical Adaptation Committee (TAC) as shown below.

Substance Proposed Maximum Concentration Actual Concentration
Lead (Pb) 0.1% < 0.1%
Mercury (Hg) 0.1% < 0.1%
Cadmium (Cd) 0.01% < 0.01%
Hexavalent Chromium (Cr6⁺) 0.1% < 0.1%
Polybrominated biphenyls (PBB) 0.1% < 0.1%
Polybrominated diphenyl ethers (PBDE) 0.1% < 0.1%
Bis (2-ethylhexyl) phthalate (DEHP) 0.1% < 0.1%
Butyl benzyl phthalate (BBP) 0.1% < 0.1%
Dibutyl phthalate (DBP) 0.1% < 0.1%
Diisobutyl phthalate (DIBP) 0.1% < 0.1%

Certain components of products as stated above are exempted under the Annex III of the RoHS2 Directives as noted below. Examples of exempted components are:

  • Copper alloy containing up to 4% lead by weight.
  • Lead in high melting temperature type solders (i.e. lead-based alloys containing 85% by weight or more lead).
  • Electrical and electronic components containing lead in a glass or ceramic other than dielectric ceramic in capacitors, e.g. piezoelectronic devices, or in a glass or ceramic matrix compound.
  • Lead in dielectric ceramic in capacitors for a rated voltage of 125 V AC or 250 V DC or higher.

Indian Restriction of Hazardous Substances

Restriction on Hazardous Substances statement (India). This product complies with the “India E-waste Rule 2011” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls or polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule.

Indian Restriction of Hazardous Substances

Restriction on Hazardous Substances statement (India). This product complies with the “India E-waste Rule 2011” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls or polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule.

Product Disposal at End of Product Life

ViewSonic® respects the environment and is committed to working and living green. Thank you for being part of Smarter, Greener Computing. Please visit the ViewSonic® website to learn more.

USA & Canada:
https://www.viewsonic.com/us/go-green-with-viewsonic

Europe:
https://www.viewsonic.com/eu/environmental-social-governance/recycle

Taiwan:
https://recycle.moenv.gov.tw/

For EU users, please contact us for any safety/accident issue experienced with this product:

ViewSonic Europe Limited
Haaksbergweg 75
1101 BR Amsterdam
Netherlands
+31 (0) 650608655
EPREL@viewsoniceurope.com
https://www.viewsonic.com/eu/

Copyright Information

Copyright© ViewSonic® Corporation, 2023. All rights reserved.

Macintosh and Power Macintosh are registered trademarks of Apple Inc.

Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation in the United States and other countries.

ViewSonic®, the three birds logo, OnView, ViewMatch, and ViewMeter are registered trademarks of ViewSonic® Corporation.

VESA is a registered trademark of the Video Electronics Standards Association. DPMS, DisplayPort, and DDC are trademarks of VESA.

ENERGY STAR® is a registered trademark of the U.S. Environmental Protection Agency (EPA).

As an ENERGY STAR® partner, ViewSonic® Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.

Disclaimer: ViewSonic® Corporation shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from furnishing this material, or the performance or use of this product.

In the interest of continuing product improvement, ViewSonic® Corporation reserves the right to change product specifications without notice. Information in this document may change without notice.

No part of this document may be copied, reproduced, or transmitted by any means, for any purpose without prior written permission from ViewSonic® Corporation.

LS740HD_UG_ENG_1a_20230627


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