Optoma EH345 User manual

Optoma EH345 Manual

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  • Optoma EH345 | User manual - Page 1
    DLP® Projector User manual
  • Optoma EH345 | User manual - Page 2
    Table of Contents SAFETY 4 Important Safety Instruction...4 3D Safety Information...5 Copyright...6 Disclaimer...6 Trademark Recognition the projector...15 Connecting sources to the projector 16 Adjusting the projector image...20 USING THE PROJECTOR 23 Powering on / off the projector 23
  • Optoma EH345 | User manual - Page 3
    58 Compatible resolutions...58 Image size and projection distance 61 Projector dimensions and ceiling mount installation 63 IR remote control 1 codes...64 IR remote control 2 codes...66 Troubleshooting...68 Warning indicators...70 Specifications...72 Optoma global offices...73 English 3
  • Optoma EH345 | User manual - Page 4
    maintenance (servicing) instructions in the literature accompanying the appliance. Please follow all warnings, precautions and maintenance as recommended in this user's guide. Important Safety Instruction ‡‡ Do not block any ventilation openings. To ensure reliable operation of the projector and to
  • Optoma EH345 | User manual - Page 5
    harm your eyes. ‡‡ When replacing the lamp, please allow the unit to cool down. Follow instructions as described on pages 55-56. ‡‡ This projector will detect the life of the lamp itself. Please be sure to change the lamp when it shows warning messages. ‡‡ Reset the "Lamp Reset" function from the on
  • Optoma EH345 | User manual - Page 6
    disorientation for some viewers. Accordingly, DO NOT place your 3D PROJECTOR near open stairwells, cables, balconies, or other objects that can DLP logo are registered trademarks of Texas Instruments and BrilliantColorTM is a trademark of Texas Instruments. All other product names used in this manual
  • Optoma EH345 | User manual - Page 7
    has been tested and found granted by the Federal Communications Commission, to operate this projector. Operation Conditions This device complies with Part 15 of 1999/5/EC (if product has RF function) WEEE Disposal instructions Do not throw this electronic device into the trash when discarding
  • Optoma EH345 | User manual - Page 8
    supplied in some specific regions. Please consult your dealer for detailed information. Standard accessories  CD User Manual  Warranty Card*(1)  Basic User Manual Projector Remote control *(2) Power lead *(3) Documentation Note The remote control is shipped with the battery. *(1) For
  • Optoma EH345 | User manual - Page 9
    3 45 6 8 7 9 10 13 12 11 Note: Keep a minimum distance of 20 cm between the "inlet" and "outlet" labels. No Item 1. Lamp Cover 2. Focus Ring 3. Zoom Lever 4. IR Receiver 5. Keypad 6. Tilt-Adjustment Foot 7. Security Bar No Item 8. Lens 9. Ventilation (inlet) 10. Ventilation
  • Optoma EH345 | User manual - Page 10
    13a 6 87 HDMI USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN / YPbPr VGA-OUT / YPbPr RS-232C VIDEO Audio In Audio Out Type 2 1080P 14 12 11 1 2a 3 4b 13b 6 78 HDMI 1 / MHL HDMI 2 USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN / YPbPr VGA-OUT RS-232C VIDEO Audio In
  • Optoma EH345 | User manual - Page 11
    Connector b) HDMI Connector √ √ √ 3. USB Power Out (5V 1A) Connector / MOUSE / SERVICE Connector √* √ √* 4. a) VGA-IN 1 / YPbPr Connector and VGA-IN 2 / √ 14. Power Socket √ √ √ Note: "√" means the item is supported, "N/A" means the item is not available. Note: ‡‡ ‡‡ Remote mouse
  • Optoma EH345 | User manual - Page 12
    INTRODUCTION Keypad 1 23 4 11 5 10 6 9 8 7 No Item 1. On/Standby LED 2. Lamp LED 3. Keystone Correction 4. Temp LED 5. Information 6. Re-Sync No Item 7. Enter 8. Menu 9. Four Directional Select Keys 10. Source 11. Power 12 English
  • Optoma EH345 | User manual - Page 13
    18. Brightness Mode The actual remote control may vary depending on the region. Some keys may have no function for models that do not support these features. Before using the remote control for the first time, remove the transparent insulation tape. See page 21 for battery installation. CR2302V5OL
  • Optoma EH345 | User manual - Page 14
    . Numeric Keypad (0-9) 27. Resync The actual remote control may vary depending on the region. Some keys may have no function for models that do not support these features
  • Optoma EH345 | User manual - Page 15
    mount. The projector should be horizontal and not tilted either forwards/backwards or left/right. Any other orientation will invalidate the warranty and may shorten the lifetime of the projector lamp or the projector itself. For none standard installation advise please contact Optoma. English 15
  • Optoma EH345 | User manual - Page 16
    SETUP AND INSTALLATION Connecting sources to the projector Type 1 XGA/ WXGA 3 13 7 6 2 HDMI USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN / YPbPr VGA-OUT / YPbPr RS-232C VIDEO Audio In Audio Out 15 MOLEX 4 11 9 14 16 12 MOLEX 16 English
  • Optoma EH345 | User manual - Page 17
    SETUP AND INSTALLATION Type 2 1080P 3 13 7 12 6 HDMI 1 / MHL HDMI 2 USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN / YPbPr VGA-OUT RS-232C VIDEO Audio In Audio Out 15 MOLEX 4 11 9 14 16 12 MOLEX English 17
  • Optoma EH345 | User manual - Page 18
    SETUP AND INSTALLATION Type 3 XGA/ WXGA 3 4 7 12 5 6 HDMI 1 / MHL HDMI 2 USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN 1 / YPbPr VGA-OUT / YPbPr VGA-IN 2 / YPbPr RS-232C S-VIDEO VIDEO Audio Out Audio In RJ-45 Audio In /Mic In MOLEX 15
  • Optoma EH345 | User manual - Page 19
    . VGA Out Cable 14. USB Power Cable 15. HDMI Stick 16. Power Cord Type 1 XGA/ WXGA N/A N/A √ √ N/A √ N/A Regulatory Name Type 2 1080P N/A √ √ N/A √ N/A Note: "√" means the item is supported, "N/A" means the item is not available. Type 3 XGA/ WXGA English 19
  • Optoma EH345 | User manual - Page 20
    adjusting the image height. 1. Locate the adjustable foot you wish to adjust on the underside of the projector. 2. Rotate the adjustable foot clockwise or counterclockwise to raise or lower the projector. Tilt-Adjustment Feet Tilt-Adjustment Ring Zoom and focus ‡‡ To adjust the image size, turn the
  • Optoma EH345 | User manual - Page 21
    case clean and install new battery. ‡‡ Risk of an explosion if battery is replaced by an incorrect type. ‡‡ Dispose of used battery according to the instructions. English 21
  • Optoma EH345 | User manual - Page 22
    remote controller might become malfunction. ‡‡ If the remote control is close to Inverter-Type fluorescent lamps, it might become ineffective from time to time. ‡‡ If the remote control and the projector are within a very short distance, the remote control might become ineffective. ‡‡ When you aim
  • Optoma EH345 | User manual - Page 23
    again. 3. Press the " " again to confirm, otherwise the message will disappear after 15 seconds. When you press the " " button for the second time, the projector will shut down. 4. The cooling fans will continue to operate for about 10 seconds for the cooling cycle and the On/ Standby LED will flash
  • Optoma EH345 | User manual - Page 24
    source that you want to display on the screen, such as computer, notebook, video player, etc. The projector will automatically detect the source. If multiple sources are connected, push the source button on the projector keypad or the remote control to select the desired input. or 24 English
  • Optoma EH345 | User manual - Page 25
    settings. The projector will automatically detect the source. 1. To open the OSD menu, press on the remote control or the projector keyboard. 2. exit, press the or again. The OSD menu will close and the projector will automatically save the new settings. Sub Menu Settings Display Main Menu
  • Optoma EH345 | User manual - Page 26
    USING THE PROJECTOR OSD Menu tree Main Menu Sub Menu Sub Menu 2 Sub Menu 3 Sub Menu 4 Display Mode Wall Color Display Brightness Contrast Sharpness Color Tint Image Settings
  • Optoma EH345 | User manual - Page 27
    USING THE PROJECTOR Main Menu Sub Menu Sub Menu 2 Sub Menu 3 Sub Menu 4 Channel Signal White Level Black Level Saturation Hue IRE Exit Automatic Frequency Phase H. Position V. Position Exit Brightness Mode [Lamp Base Data] Reset Values Cancel [Default] Yes -50~50 -50~50 -50~50 -50~50 -50~50
  • Optoma EH345 | User manual - Page 28
    USING THE PROJECTOR Main Menu Sub Menu Sub Menu 2 3D Mode Sub V: 0 H: 100; V: 0 H: 0; V: 100 H: -100; V: 0 H: 0; V: -100 H: 100; V: 0 H: 0; V: 100 Sub Menu 4 Values Off DLP [Default] IR 3D [Default] L R Auto [Default] SBS Top and Bottom Frame Sequential On Off [Default] 4:3 16:9 16:10 [WXGA
  • Optoma EH345 | User manual - Page 29
    USING THE PROJECTOR Main Menu Sub Menu Sub Menu 2 Sub Menu 3 Projection Screen Type [WXGA model] Lamp Settings Lamp Reminder Lamp Reset Optional Filter Installed Filter Usage Hours Filter Settings Filter Reminder Setup Filter Reset Direct Power On Signal Power On Auto Power Off (min)
  • Optoma EH345 | User manual - Page 30
    USING THE PROJECTOR Main Menu Sub Menu HDMI Link Settings (Type 2) Sub Menu 2 HDMI Link Inclusive of TV Power Off Link Sub Menu 3 Test Pattern IR 2 Test Pattern Brightness Contrast Sleep Timer Color Matching Color Temp Gamma Source Lock Projection Lamp Settings Zoom Freeze HDMI 2 Test Pattern
  • Optoma EH345 | User manual - Page 31
    Menu 3 Remote Settings [depends on remote] User3 Projector ID Setup Options Language Sub Menu 4 Values Lamp Settings Zoom Freeze HDMI 2 Test Pattern Brightness Contrast Sleep Timer Color Matching Color Temp Gamma Source Lock Projection Lamp Settings Zoom Freeze 00~99 English [Default] Deutsch
  • Optoma EH345 | User manual - Page 32
    USING THE PROJECTOR Main Menu Sub Menu Sub Menu 2 Language Closed Captioning Sub Menu 3 Menu Settings Menu Location Menu Timer Input Source Setup Options 32 English Input Name
  • Optoma EH345 | User manual - Page 33
    USING THE PROJECTOR Main Menu Sub Menu Sub Menu 2 Sub Menu 3 Information Hide Logo Setup Options Logo Capture Background Color Reset LAN Network (Type 3) Control Reset OSD Reset
  • Optoma EH345 | User manual - Page 34
    Number Current Input Source Resolution Refresh Rate Network Status IP Address Projector ID Remote Code Remote Code (Active) Sub Menu 2 Sub MCU Update The "LAMP RESET" in OSD will only reset both Lamp Hours in OSD and Lamp Hours in service mode. The Projection Hours in service mode will not be
  • Optoma EH345 | User manual - Page 35
    There are many factory presets optimized for various types of images. ‡‡ Presentation: This mode is suitable for showing PowerPoint presentations when the projector is connected to the PC. ‡‡ Bright: Maximum brightness from PC input. ‡‡ Cinema: Select this mode for home theater. ‡‡ Game: Select this
  • Optoma EH345 | User manual - Page 36
    USING THE PROJECTOR Color Settings Configure the color settings. ‡‡ BrilliantColorTM: This adjustable item utilizes a new color-processing algorithm and enhancements to enable higher brightness while providing true, more
  • Optoma EH345 | User manual - Page 37
    lamp-based projectors. ‡‡ Bright: Choose "Bright" to increase the brightness. ‡‡ Eco: Choose "Eco" to dim the projector lamp which will lower power consumption and extend the lamp life. ‡‡ Dynamic: Choose "Dynamic" to dim the lamp mode. ‡‡ DLP: Select to use optimized settings for DLP 3D Glasses.
  • Optoma EH345 | User manual - Page 38
    also allows you to watch a 2.35:1 content (include Anamorphic DVD and HDTV film source) that supports anamorphic wide is enhanced for 16x9 Display in a wide 2.35:1 image. In this case, there are no black bars. Lamp power and vertical resolution are fully utilized. To use the superwide format, do the
  • Optoma EH345 | User manual - Page 39
    USING THE PROJECTOR XGA auto mapping rule: Auto 4:3 Wide Laptop SDTV HDTV 640 1024 576 1024 576 1024 576 1024 576 WXGA scaling table (screen type 16:10): Note: ‡‡ Supported screen type 16:9 (1280x720), 16:10 (1280x800). ‡‡ When screen type is 16:9, the16x10 format becomes unavailable
  • Optoma EH345 | User manual - Page 40
    USING THE PROJECTOR Auto Wide Laptop SDTV HDTV Input resolution H-resolution V-resolution 1280 720 1280 768 1280 800 720 576 720 480 1280 720 1920 1080 Auto/Scale
  • Optoma EH345 | User manual - Page 41
    USING THE PROJECTOR 1080P scaling table: 16 : 9 screen 4x3 16x9 LBX Native mode Auto 480i/p 576i/p 1080i/p 720p PC Scale to 1440 x1080. Scale to 1920x1080. Scale to
  • Optoma EH345 | User manual - Page 42
    Shift Adjust the projected image position horizontally (H) or vertically (V). Display keystone menu Keystone Adjust the image distortion caused by tilting the projector. Audio menu Audio audio input 2 function menu Audio Input 2 Function Select the port between Audio 2 and Mic (Type 3). Audio mic
  • Optoma EH345 | User manual - Page 43
    USING THE PROJECTOR Setup menu Setup projection menu Projection Select the preferred projection between front, rear, ceiling-top, and rear-top. Setup screen type menu Screen Type (for WXGA model only) Choose the screen type from 16:9 and 16:10. Setup lamp settings menu Lamp Reminder Choose this
  • Optoma EH345 | User manual - Page 44
    Power Off (min) Sets the countdown timer interval. The 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). Sleep Timer (min) Configure the sleep timer. ‡‡ Sleep Timer (min): Sets
  • Optoma EH345 | User manual - Page 45
    both HDMI Link and projector to be automatically turned off at the same time. Setup test pattern menu Test Pattern Select the test pattern from green between HDMI 2, test pattern, brightness, contrast, sleep timer, color matching, color temp, gamma, source lock, projection, lamp settings, zoom,
  • Optoma EH345 | User manual - Page 46
    "Off" to lock or unlock adjusting display mode settings. Keypad Lock When the keypad lock function is "On", the Keypad will be locked. However, the projector can be operated by the remote control. By selecting "Off", you will be able to reuse the Keypad. Information Hide Enable this function to hide
  • Optoma EH345 | User manual - Page 47
    ). DHCP Use this option to enable or disable the DHCP function. ‡‡ On: Projector will obtain an IP address automatically from your network. ‡‡ Off: To assign IP, subnet mask, gateway, and DNS configuration manually. Note: Exiting OSD will automatically apply the entered values. IP Address Display
  • Optoma EH345 | User manual - Page 48
    > LAN"). 3. Open Network and Sharing Center page on your PC, and assign the identical network parameters to your PC as set on projector. Click "OK" to save the parameters. 4. Apply Open the web browser on your PC and type in to the URL field the IP address, assigned
  • Optoma EH345 | User manual - Page 49
    /english/ For more detailed information about the various types of external devices which can be connected to the LAN / RJ45 port and remote control the projector, as well as the supported commands for these external devices, please contact the Support-Service directly. English 49
  • Optoma EH345 | User manual - Page 50
    RJ45 1. Connect an RJ45 cable to RJ45 ports on the projector and the PC (laptop). HDMI 1 / MHL HDMI 2 USB Power Out (5V 1.0A) MOUSE / SERVICE VGA-IN 1 / YPbPr VGA-OUT / YPbPr VGA-IN 2 / YPbPr RS-232C S-VIDEO VIDEO Audio Out Audio In RJ-45 Audio In /Mic In 2. On the
  • Optoma EH345 | User manual - Page 51
    5. Click "Properties". 6. Type in the IP address and Subnet mask, then press "OK". 7. Press the "Menu" button on the projector. 8. Open on projector Network > LAN. 9. Enter the following connection parameters: ±± DHCP: Off ±± IP Address: 192.168.0.100 ±± Subnet Mask: 255.255.255.0 ±± Gateway
  • Optoma EH345 | User manual - Page 52
    USING THE PROJECTOR The projector is setup for remote management. The LAN / RJ45 function displays as follows: Information page Main page Tool page 52 English Contact IT helpdesk
  • Optoma EH345 | User manual - Page 53
    projector so called "RS232 by TELNET" for LAN / RJ45 interface. Quick Start-Guide for "RS232 by Telnet" ‡‡ Check and get the IP address on OSD of the projector port: 23 (for more detail, kindly please get contact with the service agent or team). 3. Telnet utility: Windows "TELNET.exe" (console mode
  • Optoma EH345 | User manual - Page 54
    : ‡‡ Regulatory ‡‡ Serial Number ‡‡ Current Input Source ‡‡ Resolution ‡‡ Refresh Rate ‡‡ Network Status ‡‡ IP Address ‡‡ Projector ID ‡‡ Remote Code ‡‡ Remote Code (Active) ‡‡ Display Mode ‡‡ Power mode(standby) ‡‡ Brightness Mode ‡‡ Filter Hours ‡‡ Lamp Hours ‡‡ FW Version ‡‡ Update 54 English
  • Optoma EH345 | User manual - Page 55
    of use, a warning message will appear on the screen. Warning Lamp Warning Lamp life exceeded. When you see this message, please contact your local reseller or service center to change the lamp as soon as possible. Make sure the projector has been cooled down for at least 30 minutes before changing
  • Optoma EH345 | User manual - Page 56
    2 6. Unscrew the screw on the lamp module. 3 7. Lift up the lamp handle. 4 8. Remove the lamp cord. 5 9. Remove the lamp module carefully. 6 10. To replace the lamp module, reverse the previous steps. 11. Turn on the projector and reset the lamp timer. 12. Lamp Reset: (i) Press "Menu"  (ii) Select
  • Optoma EH345 | User manual - Page 57
    the dust filter every three months. Clean it more often if the projector is used in a dusty environment. Procedure: 1. Switch off the power to the projector by pressing the " " button on the remote control or the projector keypad. 2. Disconnect the power cord. 3. Remove the dust filter carefully
  • Optoma EH345 | User manual - Page 58
    additional information Compatible resolutions Digital compatibility B0/Established Timing 720x400 @ 70Hz 640x480 @ 60Hz 640x480 @ 67Hz 640x480 @ 72Hz 640x480 @ 75Hz 800x600 @ 56Hz 800x600 @ 60Hz 800x600 @ 72Hz 800x600 @ 75Hz 832x624 @ 75Hz 1024x768 @ 60Hz 1024x768 @ 70Hz 1024x768 @ 75Hz 1280x1024
  • Optoma EH345 | User manual - Page 59
    ADDITIONAL INFORMATION Analog compatibility B0/Established Timing 720x400 @ 70Hz 640x480 @ 60Hz 640x480 @ 67Hz 640x480 @ 72Hz 640x480 @ 75Hz 800x600 @ 56Hz 800x600 @ 60Hz 800x600 @ 72Hz 800x600 @ 75Hz 832x624 @ 75Hz 1024x768 @ 60Hz 1024x768 @ 70Hz 1024x768 @ 75Hz 1280x1024 @ 75Hz 1152x870 @ 75Hz
  • Optoma EH345 | User manual - Page 60
    is Frame sequential Note: ‡‡ ‡‡ ‡‡ If 3D input is 1080p@24hz, the DMD should replay with integral multiple with 3D mode. Support NVIDIA 3DTV Play if there is no patent fee from Optoma. 1080i@25hz and 720p@50hz will run in 100 hz; other 3D timing will run in 120hz. 1080p@24hz will
  • Optoma EH345 | User manual - Page 61
    ADDITIONAL INFORMATION Image size and projection distance (XGA) Diagonal Length Size of (4:3) Screen 33 40 50 60 70 80 90 100 120 150 180 200 250 300 Screen Size W x H (m) (inch) Width Height Width Height 0.67 0.5 26.40 19.8 0.81 0.61 32.00 24 1.02 0.76 40.00 30 1.22 0.91 48.00
  • Optoma EH345 | User manual - Page 62
    ADDITIONAL INFORMATION (1080P) Diagonal Length Size of (16:9) Screen 36 40 50 60 70 80 90 100 120 150 180 200 250 300 Screen Size W x H (m) (inch) Width Height Width Height 0.80 0.45 31.38 17.65 0.89 0.5 34.86 19.6 1.11 0.62 43.58 24.5 1.33 0.75 52.29 29.4 1.55 0.87 61.01 34
  • Optoma EH345 | User manual - Page 63
    and ceiling mount installation 1. To prevent damage to your projector, please use the Optoma ceiling mount. 2. If you wish to use a third party ceiling mount kit, please ensure the screws used to attach a mount to the projector meet the following specifications: ‡‡ Screw type: M4*3 ‡‡ Minimum screw
  • Optoma EH345 | User manual - Page 64
    ) -CA (for emulation of USB mouse via USB) C9 Press to display or exit the on-screen display menus for projector. 88 ‡‡ Press to adjust image distortion caused by tilting the projector. C7 ‡‡ Press to navigate down. Press to manually select a 3D mode that matches your 3D content. 93 64 English
  • Optoma EH345 | User manual - Page 65
    choose video source. Press to select an input signal. Press to automatically adjust the picture brightness to give an optimum contrast performance. Automatically synchronize the projector to the input source. Key code 86 8E CE C3 87 C4 English 65
  • Optoma EH345 | User manual - Page 66
    -key definition Description Power on/off Press to turn on / off the projector. Switch Press to switch the USB mouse on / off. Freeze Press to / unhide the screen picture and turn off / on audio. Press to freeze the projector image. Press to momentarily turn off / on the audio. L R Up arrow
  • Optoma EH345 | User manual - Page 67
    a displayed image. ‡‡ Use as numeric keypad number "1". ‡‡ Press to display or exit the on-screen display menus for projector. ‡‡ Use as numeric keypad number "2". ‡‡ Press to manually select a 3D mode that matches your 3D content. ‡‡ Use as numeric keypad number "3". ‡‡ Press to choose HDMI source
  • Optoma EH345 | User manual - Page 68
    Troubleshooting If you experience a problem with your projector, please refer to the following information. If a problem persists, please contact your local reseller or service center. Image problems the projection lamp has been securely installed. Please refer to the "Replacing the Lamp" section.
  • Optoma EH345 | User manual - Page 69
    may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the "Replacing the Lamp" section on pages 55-56. Remote control problems If the remote control does not work ‡‡ Check the operating
  • Optoma EH345 | User manual - Page 70
    from the projector, wait for 30 seconds and try again. If the warning indicator light up or flash, please contact your nearest service center 0.25 sec on) Flashing (0.5 sec off / 0.5 sec on) Steady light Flashing Lamp-LED (Red) Flashing (0.5 sec off / 0.5 sec on) Steady light ‡‡ Power off:
  • Optoma EH345 | User manual - Page 71
    the environment temperature is under 45 degree C. If the problem persists in spite of the above. Please contact a service center for repair. ‡‡ Fan failed: Warning FAN LOCKED The projector will switch off automatically Please contact a service center for repair. ‡‡ Out of display range: HDMI Out
  • Optoma EH345 | User manual - Page 72
    Image size (diagonal) Projection distance Description XGA/ WXGA - Manual zoom and manual focus 22.9"~252" (overdrive to 300") 1m ~ 10m 91.146 KHz - Vertical scan rate: 50~ 85 Hz (120Hz for 3D feature projector) Yes, (10W) 100 - 240V AC 50/60Hz 2.8-1.0 A Mechanical Installation orientation
  • Optoma EH345 | User manual - Page 73
    ADDITIONAL INFORMATION Optoma global offices For service or support, please contact your local office. USA 3178 Laurelview Ct. Fremont, CA 94538, USA www.optomausa.com Japan 888-289-6786 510-897-8601 [email protected] 3-25-18 0120-380-495 [email protected] www.os-worldwide.com
  • Optoma EH345 | User manual - Page 74
    www.optoma.com
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User manual
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