Optoma EP781 manual

English i Regulation & safety notices Regulation & safety notices This appendix lists the general notices of your Projector. FCC notice This device 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 aga inst harmful[...]

English ii Regulation & safety notices Operation conditions This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. this device may not cause harmful interference, and 2. t his d evice mus t acce pt any i nterf erence r eceive d, in cludin g inte rfer - ence that may cause undesired operation[...]

English 1 Table of Contents T able of Contents ......................................................................................... 1 Usage Notice ................................................................................................ 2 Safety Information ................................................................................[...]

English 2 Usage Notice Safety Information The lightning ash with arrowheard within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous volt- age” within the product’s enclosure that may be of sufcient magnitude to constitute a risk of electric shock to persons. The exclamation point within an [...]

English 3 Usage Notice Precautions Follow all warnings, precautions and maintenance as recom- mended in this user’s guide to maximize the life of your unit. Warning- Do not look into the projector’s lens when the lamp is on. The bright light may hurt your eyes. Warning- To reduce the risk of re or electric shock, do not expose this product t[...]

English 4 Usage Notice Do:   Turn off the product before cleaning.   Use a soft cloth moistened with mild detergent to clean the display housing.   Disconnect the power plug from AC outlet if the product is not being used for a long period of time. Don’t:   Block the slots and openings on the unit provided for ventila- tio[...]

English 5 Usage Notice Eye Safety Warnings ▀ ■ Avoid staring directly into the projector beam at all times. ▀ ■ Minimize standing facing into the beam. Keep your back to the beam as much as possible. ▀ ■ A stick or laser pointer is recommended to avoid the need for the user to enter the beam. ▀ ■ Ensure that projectors are located o[...]

English 6 Introduction Product Features Congratulations and Thank You for choosing Optoma projec- tor. This product is a XGA single chip 0.7” Darkchip3 DLP ® projector. Outstanding features include:  True XGA, 1024 x 768 addressable pixels  Texas Instruments Single chip DLP ® Technology  NTSC/NTSC4.43/PAL/PAL-M/PAL-N/SECAM and HDTV com[...]

English 7 Introduction Power Cord 1.8m VGA Cable 1.8m Wireless Remote Controller Composite Video Cable 1.8m Projector with lens cap Package Overview This projector comes with all the items shown below. Check to make sure your unit is complete. Contact your dealer immediately if anything is missing. Documents :  User’s Guide  Quick Sta[...]

English 8 Introduction 1. Control Panel 2. Zoom Lever 3. Focus Ring 4. Elevator Button (one on each side) 5. Elevator Foot (one on each side) 6. Zoom Lens 7. IR Receivers 8. Power Socket 9. Connection Ports Main Unit Product Overview 1 2 8 2 7 4 3 5 6 5 4 9 1 7[...]

English 9 Introduction Control Panel 1. IR Receiver 2. Power/Standby LED 3. Temp Indicator LED 4. Lamp Indicator LED 5. Keystone +/- 6. Re-Sync 7. Power/Standby 8. Four Directional Select Keys 9. Menu (On/Off) 10. Source Select 11. Enter 7 3 9 2 4 11 5 1 6 10 5 9 8 7 3 9 2 4 11 5 1 6 10 5 9 8[...]

English 10 Introduction Connection Ports 1. DVI-D Input Connector (PC Digital/HDTV/HDCP Input) 2. VGA1-In Connector (PC Analog signal/HD/Component Video Input) 3. Audio Input Connector (For DVI-D or VGA1-In) 4. S-Video Input Connector 5. Audio Input Connector (For S-Video or Composite) 6. Composite Video Input Connector 7. Networking Connector RJ45[...]

English 1 1 Introduction Remote Control with Mouse Function and Laser Pointer 1. Power 2. Re-Sync 3. Keystone Correction 4. Display Format 5. Mouse 6. Mouse Right Click 7. Page Up 8. Page Down 9. Four Directional Select Keys 10. Enter 11. S-Video Source 12. Composite Video Source 13. DVI Source 14. Source Lock 15. Button LED 16. Laser Button 17. AV[...]

English 12 Installation Connecting the Projector  Due to the difference in applications for each country, some regions may have different accessories. 1............................................................................................................... Power Cord 2....................................................................[...]

English 13 Installation Connect the Video  Due to the difference in applications for each country, some regions may have different accessories. 1............................................................................................................... Power Cord 2...........................................................................[...]

English 14 Installation Powering On the Projector 1. Remove the lens cap.  2. Ensure that the power cord and signal cable are securely connected. The Power LED will turn red. 3. Turn on the lamp by pressing “Power/Standby” button on the control panel.  And the Power LED will turn green. 4. Turn on your source (computer, notebook, video pl[...]

English 15 Installation Warning Indicator  When the “TEMP” indicator turns red, it indicates the pro- jector has overheated. The projector will automatically shut itself down.  When the “LAMP” indicator turns red, it indicates a prob- lem with the lamp. Turn off the projector and disconnect the power cord from the electrical outlet, t[...]

English 16 Installation Adjusting the Projected Image Adjusting the Projector Image Height Elevator Feet Elevator Buttons The projector is equipped with elevator feet for adjusting the image height. To raise the image: 1. Press the elevator buttons  . 2. Raise the image to the desired height angle  , then release the button to lock the elevat[...]

English 17 Installation 61.5" (156.3cm) 102.5" (260.4cm) 143.5" (364.6cm) 184.5" (468.8cm) 250.2" (635.4cm) 24.6" (62.5cm) 73.8" (187.5cm) 123.0" (312.5cm) 172.2" (437.5cm) 221.5" (562.5cm) 300.2" (762.5cm) 3.3' (1.0m) 40.0'(12.2m) 29.5'(9.0m) 23.0'(7.0m) 16.4'(5.0m) 9.[...]

English 18 User Controls Control Panel & Remote Control There are two ways for you to control the functions: Remote Control and Control Panel. Using the Control Panel Power/ Standby Refer to the “Power On/Off the Projector” section on pages 14-15. Source Press “Source” to select an input signal. Menu Turns the menu On or Off. Four Direc[...]

English 19 User Controls Using the Remote Control Power Refer to the “Power On/Off the Projector” section on pages 14-15. Re-Sync Automatically synchronizes the projector to the input source. Keystone Adjusts image distortion caused by tilting the projector (±16 degrees). Display Format Display the “Display Format” section of the on- scree[...]

English 20 User Controls Clear Clear your selection. Enter Conrm your item selection. Source Lock Select auto detection all connector ports or lock current connector port. (See page 30 for more) Video Choose composite video source. S-Video Choose S-Video source. VGA1 Choose primary VGA-In source. VGA2 Choose secondary VGA-In or SCART source. DVI[...]

English 21 User Controls The Projector has multilingual On Screen Display menus that allow you to make image adjustments and change a variety of settings. The projector will automatically detect the source. How to Operate 1. To open the OSD menu, press “Menu” on the Remote Control or Control Panel. 2. When OSD is displayed, use keys to select a[...]

English 22 User Controls Menu Tree[...]

English 23 User Controls Display Mode There are many factory presets optimized for various types of im- ages.  PC: For computer or notebook. (brightest image)  Photo: For optimum colour at high brightness.  Video: For playing video in a bright environment.  sRGB: For standard PC colour. (best colour reproduction)  User: Memorize user[...]

English 24 User Controls Colour Temperature Adjusts the colour temperature. At higher temperature, the screen looks colder; at lower temperature, the screen looks warmer. Each display mode has its own colour temperature and can memo- rize user’s selection. For example: Display mode PC Photo Video sRGB User Colour Temp. sRGB Low User High Mid When[...]

English 25 User Controls Colour Temperature Adjusts the colour temperature. At higher temperature, the screen looks colder; at lower temperature, the screen looks warmer. Each display mode has its own colour temperature and can memo- rize user’s selection. For example: Display mode PC Photo Video sRGB User Colour Temp. sRGB Low User High Mid When[...]

English 26 User Controls  LBX: This format is for non-16x9, letterbox source and for users who use external 16x9 lens to display 2.35:1 aspect ratio using full resolution. Input Signal Display area Picture area Display on Screen  Ver. Shift (16:9): Image Position at window mode will also be moved accordingly. Ver. Shift (16:9) Adjust the i[...]

English 27 User Controls Colour Full Range: Adjust the Red, Green and Blue color for all screen. Enhance Individual: Adjust the Red, Green, Blue, Yellow, Cyan and Magenta colors for advanced adjustment of the individual colors. Colour PC U L M H S Photo U L M H S Video U L M H S sRGB U L M H S User U L M H S From The Same Colour Setting Icon Colour[...]

English 28 User Controls Different color setting will be memorized at 4 different source groups. But they will be same under same source. DVI/VGA Component-p (480p/576p/720p/1080i) Component-i (480i/576i) Video / S-Video When we adjust color setting the current color temperature will be memorized before it auto switch to “User”. Because the mem[...]

English 29 User Controls Language Language Choose the multilingual OSD menu. Use the or key to select your preferred language. Press “Enter” to nalize the selection.[...]

English 30 User Controls Menu Location Choose the menu location on the display screen. Projection  Front-Desktop The factory default setting.  Rear-Desktop When you select this function, the projector reverses the image so you can project from behind a translucent screen.  Front-Ceiling When you select this function, the projector turns th[...]

English 31 User Controls PIP Choose “On” to select on the PIP screen, Choose “Off” to select off the PIP screen. PIP Position Choose the PIP screen position on the display screen. PIP Source Switch Press “Enter” to switch PIP screen source. (see page 32) Management Volume  Press to decrease the volume.  Press to increase the volum[...]

English 32 User Controls PIP RULE TABLE Sub source Main source DVI-D VGA Componet-p S-video Video DVI-D (digital RGB / HDCP)      VGA (analog RGB)      Componet-p (480p/576p/720p/1080i)      S-video      Video      Logo Use this function to select your desired startup screen[...]

English 33 User Controls PIP RULE TABLE Sub source Main source DVI-D VGA Componet-p S-video Video DVI-D (digital RGB / HDCP)      VGA (analog RGB)      Componet-p (480p/576p/720p/1080i)      S-video      Video      Logo Use this function to select your desired startup screen[...]

English 34 User Controls 1. F il l i n a n e w I P, a s ub n et m a sk , a g a te w ay a n d a D NS i n t he dialogue box . 2. T he n c h oo se a pp l y a nd p re ss " En te r " b o tt on t o e ff e ct ua t e t h e conguration process. 3. Open your web browser and type in from the OSD LAN screen then the web page will display as below:[...]

English 35 User Controls For example: Use Microsoft Internet Explorer (IE) web browser to control the projector , the IP address is http: // 10.0.50.100. Step 1: Find an IP Address (10.0.50.100) from LAN function of projector. Step 2: Select apply and press "Enter" button to submit function or press "menu" key to exit. Step 3: T[...]

English 36 User Controls Lamp & Power STD Mode Choose “On” to dim the projector lamp which will lower power consumption and extend the lamp life by up to 130%. Choose ”Off” to return to BRIGHT mode. High Altitude Choose “On” to turn on High Altitude mode. Operates the fans at full speed continuously to allow for proper high altitude[...]

English 37 Appendices Problem: No image appears on screen  Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.  Ensure the pins of connectors are not crooked or broken.  Check if the projection lamp has been securely installed. Please refer to the “Replacing the[...]

English 38 Appendices 5. Select the “Change” button under the “Monitor” tab. 6. Click on “Show all devices.” Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under the “Models” box.  If you are using a Notebook: 1. First, follow the steps above to adjust resolution of the computer. 2[...]

English 39 Appendices Message Power-LED Temp-LED Lamp-LED (Green) (Red) Standby State (Input power cord) Warming Flashing Normal Mode Cooling Flashing Error (Lamp failed) Error (Fan failed) Flashing Error (Over Temp.)  Make sure the projection screen is between distance 3.3 to 40.0 feet (1.0 to 12.2 meters) from the projector. (See page 17) Prob[...]

English 40 Appendices Problem: Message Reminders  Fan fail:  Over temperature:  Power Off:  Replace the lamp:[...]

English 41 Appendices Replacing the Lamp The projector keeps track of the lamp usage. It will show you a warning message: When you see this message, change the lamp as soon as pos- sible. Make sure the projector has cooled down for at least 30 minutes before changing the lamp. Warning: Lamp compartment is hot! Allow 30 minutes to cool down before c[...]

English 42 Appendices Remark : “ * ”compressed computer image. Compatibility Modes Mode Resolution (ANALOG) (DIGITAL) V.Frequency (Hz) H.Frequency (kHz) V.Frequency (Hz) H.Frequency (kHz) VESA VGA 640 x 350 70 31.5 70 31.5 VESA VGA 640 x 350 85 37.9 85 37.9 VESA VGA 640 x 400 85 37.9 85 37.9 VESA VGA 640 x 480 60 31.5 60 31.5 VESA VGA 640 x 480[...]

English 43 Appendices VGA-In Connector RS232 Commands Pin no. Name I/O (From Projec- tor Side 1 TXD OUT 2 RXD IN 3 GND __ Pin no. Spec. 1 R(RED)/Cr 2 G(GREEN)/Y 3 B(BLUE)/Cb 4 NC 5 GND 6 GND 7 GND 8 GND 9 DDC 5V 10 HOT_DET 11 NC 12 DDC Date 13 HS/CS 14 VS 15 DDC Clock 1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15 1 2 3 RS232 Connector[...]

English 44 Appendices  Please note that damage resulting from incorrect installation will invalidate the warranty. Ceiling Mount Installation 1. To prevent damaging your projector, please use the ceiling mount package for installation. 2. If you wish to use a third party ceiling mount kit, please ensure the screws used to attached a mount to the[...]

English 45 Appendices Optoma Global Ofces Forserviceorsupportpleasecontactyourlocalofce. USA 715 Sycamore Drive Tel : 408-383-3700 Milpitas, CA 95035, USA Fax: 408-383-3702 www.optomausa.com Service : service@optoma.com Canada 5630 Kennedy Road, Mississauga, ON, L4Z 2A9, Canada Tel : 905-882-4228 Fax: 905-882-4229 www.[...]