Instruction/ maintenance manual of the product EH505 Optoma Technology
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Usage Notice ...................................................................................................................... 3 Safety Information ..................................................................................................
Table of Contents Appendices ...................................................................................................................... 75 Troubleshooting ....................................................................................
English 3 Safety Information The lightning ash with arrow head within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufcient magnitude to constitute a risk of electric shock to persons.
English 4 Do not attempt to service this projector yourself. Opening or removing covers may expose you to dangerous voltages or other hazards. Please call Optoma to be referred to an authorized service center near you.
English 5 Usage Notice Precautions Please follow all warnings, precautions and maintenance as recommended in this user’s guide. ▀ ■ Warning - Do not look into the projector’s lens when the lamp is on.
English 6 Do: v Turn off the product before cleaning. v Use a soft cloth moistened with a mild detergent to clean the display housing. v Disconnect the power plug from the AC outlet if the product is not being used for a long period of time. Do not: v Block the ventilation slots and openings on the unit.
English 7 Usage Notice Eye Safety Warnings ▀ ■ Avoid staring directly into the projector’s beam of light at all times. ▀ ■ Minimize standing facing into the beam. Keep your back to the beam as much as possible. ▀ ■ Using a stick or laser pointer is recommended to avoid the need for the presenter to enter the beam.
English 8 Introduction Product Features This product is a single chip 0.7” XGA, 0.67 WUXGA and 0.65” WXGA series DLP ® projector. Outstanding features include: u Texas Instruments Single chip DLP.
English 9 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. Projector with lens cap IR Remote Control (with 2 x AAA Batteries) Option Lens (Standard lens/ Long throw lens/ Short throw lens) Power Cord 1.
English 10 Product Overview Main Unit 2 1 7 6 9 8 11 10 5 4 3 12 13 19 18 17 16 14 15 1. Front IR Receiver 10. Focus 2. Top Cover 11. Lens CAP 3. Lens Release Button 12. Power Button 4. Vertical and Horizontal Lens 13. LED Indicators Shift Adjustment Controls 14.
English 11 Introduction Control Panel 2 3 1 4 6 5 1. Source / ◄ 2. Keystone + / ▲ 3. Re-Sync / ► 4. Menu 5. Enter 6. Keystone - / ▼.
English 12 Rear View 20 21 1 2 3 5 6 7 8 4 19 17 9 10 11 13 12 14 24 23 25 26 27 28 29 22 15 16 18 Introduction 1. Temp LED 16. 12V OUT Connector 2. Lamp LED 17. WIRED REMOTE (3.5mm jack) 3. HDMI Connector 18. AUDIO IN L/R RCA (YPbPr) Connectors 4. VGA 2/ YPbPr Connector 19.
English 13 Remote Control 1 2 3 7 8 11 14 24 23 16 17 18 26 27 28 9 12 13 15 21 22 19 20 6 25 5 10 4 1. Power On 2. Audio 3. Function 2 (Assignable) 4. Enter 5. Four Directional Select Keys 6. Display mode 7. AV Mute 8. V Keystone +/- 9. Information Panel 10.
English 14 v Due to the difference in applications for each country, some regions may have different accessories. v AUDIO2-IN: Share with DVI & BNC audio input. Connecting the Projector Connect to Computer / Notebook 3 1 9 2 11 10 5 12 4 3D Ad ap t er 6 7 8 1.
English 15 Connect to Video Sources 4 DV D Pl ay er , Se t - t op Bo x, HDT V r ecei ve r DV D Pl ay er , Se t - t op Bo x, HDT V r ecei ve r 1 2 3 7 7 9 6 5 4 Vide o Output 10 8 2 1. Power Cord 2. Component Cable * 3. HDMI Cable * 4. BNC Cable * 5. Audio-in Cable * 6.
English 16 Caution • Do not shake or place excessive pressure on the projector or the lens components as the projector and lens components contain precision parts. • Before removing or installing the lens, be sure to turn off the projector, wait until the cooling fans stop, and turn off the main power switch.
English 17 5. Pull out the existing lens slowly. Installing the New Lens Remove both end caps from the lens. 1. Align the notches and correctly position the electrical contact pad as shown in the picture. Electrical contact pins 2. Rotate the lens clockwise until you feel it click into place.
English 18 Powering On/Off the Projector Powering On the Projector 1. Remove the lens cover. 2. Connect the power cord to the projector. 3. Turn On the connected devices. 4. Ensure the Power LED turns red and then press the power button to turn On the projector.
English 19 See Security Setting on page 46 if security lock is enabled. 5. If more than one input device is connected, press the “Source” button sequentially to switch between devices.
English 20 Powering Off the Projector 1 . Press POWER to turn off the projector lamp, a message displays on the projector’s screen. 2. Press POWER again to conrm, otherwise the message disappears after 15 seconds. 3. The cooling fans continue to operate for about 180 seconds for cooling cycle and the Power Led will turn blue.
English 21 Adjusting the Projected Image Adjusting the Projector’s Height The projector is equipped with elevator foot for adjusting the image height. To raise the image: Use screw in foot u to rise the image to the desired height angle and ne-tune the display angle.
English 22 The Lens Shift function can be used to adjust the position of the projected image either horizontally or vertically within the range detailed below. Adjusting the vertical image position The vertical image height can be adjusted between 50% and -10% for XGA, 55% and -15% for WXGA/WUXGA of offset position.
English 23 Adjusting the horizontal image position With the lens in the center position the horizontal image position can be adjusted to the left or right by up to a maximum of 5% of the image width. Please consult the Lens Shift Range diagram below for further clarication.
English 24 Adjusting the Zoom / Focus You may turn the zoom ring to zoom in or out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances. See pages 25-27. Use the keystone buttons to correct image distortion.
English 25 Adjusting Projection Image Size (XGA) Height Diagonal Widt h Hd Hd 4. 9' (1 .5 0m ) 8. 9' (2 .7 2m ) 14. 4' (4 .4 0m ) 20 .2 '( 6. 16 m) 26 .2 '( 8. 00m ) 32. 0' (9 .7 6m ) 6. 6' (2 .0 0m ) 18. 4' (5 .
English 26 Adjusting Projection Image Size (WXGA) Height Diagonal Widt h Hd Hd 4. 9' (1 . 50m ) 9. 6' (2 .9 2m ) 15. 5' (4 . 72m ) 21 .7 '( 6. 61 m) 28 .2 '( 8. 59 m) 34 .4 '( 10. 47m ) 6. 6' (2 . 00m ) 18. 4' (5 .
English 27 Adjusting Projection Image Size (WUXGA) Height Diagonal Width Hd Hd 4. 9' (1 . 50m ) 6. 6' (2 . 00m ) 18. 4' (5 . 60m ) 30. 2' (9 . 20m ) 42. 0' ( 12. 80m ) 53. 8' (1 6. 40m ) 65 .6 '( 20. 00m ) 1. 6' (0 .
English 28 Control Panel Using the Control Panel ▲/Keystone+ (Up arrow) •Adjust the image Keystone positively. • Navigates and changes settings in the OSD. ◄/Source (Left arrow) • Press Source to select an input signal. • Navigates and changes settings in the OSD.
English 29 User Controls Remote Control Using the Remote Control Power Off Refer to the “Powering Off the Projector” on page 20. Power On Refer to the “Powering On the Projector” on page 18. Test Pattern Refer to the “Test Pattern” on page 57.
English 30 Using the Remote Control Remote ID Press until Power LED is ashing then press 01~99 to set the particular remote code. Remote All Press to set remote code to all. VGA1 Press VGA1 to choose source from VGA- IN connector. S-Video Press S-Video to choose S-Video source.
English 31 On-screen Display Menus 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 Projector Keypad.
English 32 Menu Tree IMAG E Display Mode Sharpnes s Brightness Ad va nced #Tin t #Color IM AG E | Advanced BrilliantColor TM Noise Reductio n Gamm a Color Temp.
English 33 Function 1 Function 2 IR Function Remote Code Brightness/Contrast/Color/Color Temp./Gamma Source Lock/Projection/Lamp Settings/Mute/Digital Zoom Exi t On/Off All / 1 ~ 99 OPTION S Source Lo.
English 34 Image Display Mode There are many factory presets optimized for various types of images. 4 Presentation: Good color and brightness from PC input. 4 Bright: Maximum brightness from PC input. 4 Movie: For home theater. 4 sRGB: Standardised accurate color.
English 35 Image Sharpness Adjusts the sharpness of the image. 4 Pres s ◄ to decrease the sharpness. 4 Press ► to increase the sharpness. Color Adjusts a video image from black and white to full color saturation. 4 Press ◄ to decrease the amount of color in the image.
English 36 Image | Advanced Noise Reduction The motion Adaptive Noise Reduction reduces the amount of visible noise in interlaced signals. The range is from “0” to “10”.
English 37 Image | Advanced | RGB Gain/ Bias This setting is used to adjust the balance of red, green and blue in grays/white. Gain Set RGB Gain to adjust the Brightness of the follow in brighter shades: 4 Red—balance the gain value for red. 4 Green—balance the gain value for green.
English 38 Image | Advanced | Color Matching Colors (Except White) Press ▲▼ to select a color and press Enter to adjust the hue, saturation, and gain settings. Press ▲▼ to select Hue, Saturation, or Gain and press ◄► to adjust the settings.
English 39 Image | Advanced | Color Matching White Press ▲▼ to select White and press Enter. Press ▲▼ to select Red, Green, or Blue and press ◄► to adjust the settings. Reset Reset all Color Setting values to the factory default. v White can be adjust Red, Green, Blue color by each.
English 40 Display Format Use this function to choose your desired aspect ratio. 4 4:3: This format is for 4x3 input sources not enhanced for Wide screen TV. 4 16:9 (XGA) | 16:10 (WXGA/WUXGA): This format is for 16x9 input sources, like HDTV and DVD enhanced for Wide screen TV.
English 41 Display Digital Zoom 4 Press ◄ to reduce the size of the image. 4 Press ► to magnify an image on the projected screen. Edge Mask Edge Mask function removes the noise in a video image. Edge Mask the image to remove video encoding noise on the edge of video source.
English 42 Display | 3D 3D Mode 4 DLP Link: Select DLP Link to use optimized settings for DLP Link 3D Glasses. 4 VESA 3D: Select VESA 3D to use optimized settings for IR-based 3D images. 3D 2D Press ◄ or ► to select projector display 3D content in 2D (Left) or 2D(Right) without using 3D glasses to enjoy 3D content.
English 43 Setup Language Enter the Language menu. Select the multilingual OSD menu. See page 45 for more information. Projection Select projection method: 4 Front Desktop The factory default setting. 4 Rear Desktop When you select this function, the projector reverses the image so you can project from behind a translucent screen.
English 44 Setup Security Enter the Security menu. Access the projector’s security features. See page 46 for more information. Signal (RGB) Enter the Signal (RGB) menu. Set projector signal properties. The function is available when input source is support VGA 1/VGA 2/BNC.
English 45 Setup | Language Language Choose the multilingual OSD menu. Press ENTER ( ) into the sub menu and then use the Left ( ◄ ) or Right ( ► ) key to select your preferred language.
English 46 Setup | Security Security Setting Enable or disable the security password. 4 Enabled—the current password is required to power on the projector and access the Security menu.
English 47 Setup | Security Security Timer Enter the Security Timer sub menu. Enter the Months, Days, and hours that the projector can be used without entering the password.
English 48 Setup | Security Change Password Use this submenu to change the security password for the projector. 1. Select Change Password from the Security submenu. The Conrm Change Password dialog box displays. 2. Select Yes . 3. Enter the default password <1> <2> <3> <4> <5>.
English 49 Setup | Signal (RGB) Automatic Set Automatic to On or Off to lock or unlock the Phase and Frequency features. 4 Off—disable auto lock. 4 On—enable auto lock. Frequency Change the display data frequency to match the frequency of your computer’s graphics card.
English 50 Setup | Signal (Video) White Level Allow user to adjust Black Level when input source is Video or S-Video signals. Press ◄► to adjust the White Level. Black Level Allow user to adjust Black Level when input source is Video or S-Video signals.
English 51 Setup | Audio Settings Internal Speaker 4 Off—turn off the internal speaker. 4 On–turn on the internal speaker. Mute Toggle the audio on or off. 4 Off—the speaker volume and audio out are turned on. 4 On–the speaker volume and audio out are turned off.
English 52 Setup | Advanced Logo Select the screen to display during startup. 4 Optoma—the supplied default startup screen. 4 Neutral— is Background Color. 4 User—customized screen capture using the Logo Capture function. Logo Capture Capture a displayed screen to use as the startup screen.
English 53 Setup | Network LAN Settings Enter the LAN Settings menu. See page 54 for more information. Control Settings Enter the Control Settings menu.
English 54 Setup | LAN Settings If the connection is successful, the OSD display will show the following dialogue box. 4 Network State—to display network information. 4 DHCP: On: Assign an IP address to the projector from the DHCP server automatically.
English 55 Setup | Control Settings Crestron Press ◄► to check to enable/disable Crestron. Extron Press ◄► to check to enable/disable Extron. PJ Link Press ◄► to check to enable/disable PJ Link. AMX Device Discovery Press ◄► to check to enable/disable AMX Device Discovery.
English 56 Options Input Source Enter the Input Source submenu. Select the sources to scan for at startup. See page 59 for more information. Source Lock Lock the current source as the only available source, even if the cable is unplugged. 4 On—only the current source is recognized as an input source.
English 57 Options Keypad Lock Lock the buttons on the projector top panel. 4 On—a warning message displays to conrm keypad lock. 4 Off—projector keypad functions as normal. Display Mode Lock Press ◄► to select display mode function whether lock or not.
English 58 Options Advanced Enter the Advanced menu. See pages 61 for more details. Lamp Setting Enter the Lamp Setting menu. See pages 63-64 for more details. Information Show the projector information. Reset Reset all Options to default factory settings.
English 59 Options | Input Source Input Source Use this option to enable / disable input sources. Press ▲ or ▼ to select a source, then press ◄ or ► to enable / disable it. Press ( Enter ) to nalize the selection. The projector will not search inputs that are de-selected.
English 60 Options | Remote Settings Function 1 Set F1 key as a hotkey for Brightness, Contrast, Color, Color Temp. or Gamma function. Function 2 Set F2 key as a hotkey for Source Lock, Projection, Lamp Settings, Mute, Digital Zoom or Volume function.
English 61 Options | Advanced Direct Power On Enable or disable Direct Power On. 4 On—the projector powers on automatically when AC power is supplied. 4 Off— the projector must be powered on as normal. Signal Power On Enable or disable Signal Power On.
English 62 Options | Advanced Sleep Timer (min) Set the Sleep Timer interval. The projector powers off after the specied time period of inactivity (regardless of signal). The following warning is displayed 60 seconds before power off. Power Mode (Standby) 4 Eco.
English 63 Options | Lamp Setting Lamp Hour Displays the number of hours the lamp has been active. This item is for display only. Lamp Reset After replacing the lamp, reset the lamp counter to accurately reect the new lamp’s life span. 1. Select Lamp Reset.
English 64 Options | Lamp Setting Brightness Mode Select the lamp brightness mode. 4 Bright—the default setting. 4 Eco—lower brightness setting to conserve lamp life. Power Press ◄► to select the lamp mode for 370W brightness or 280W brightness to save lamp life.
English 65 LAN_RJ45 For simplicity and ease of operation, the Optoma projector provides diverse networking and remote management features. The LAN/RJ45 function of the projector through a network, such as remotely manage: Power On/Off, Brightness and Contrast settings.
English 66 LAN_RJ45 1. Connect an RJ45 cable to RJ45 ports on the projector and the PC (Laptop). 2. On the PC (Laptop), select Start -> Control Panel-> Network Connections.
English 67 4. In the Properties window, select the General tab , and select Internet Protocol (TCP/IP) . 5. Click Properties . 6. Fill in the IP address and Subnet mask, then press OK.
English 68 7. Press the Menu button on the projector. 8. Select OSD-> SETUP-> Network Settings-> Lan Settings. 9. After getting into Network Status, input the following: 4 DHCP: Off 4 IP Address: 10.10.10.10 4 Subnet Mask: 255.255.255.0 4 Gateway: 0.
English 69 Category Item Input-Length Crestron Control IP Address 15 IP ID 3 Port 5 Projector Projector Name 10 Location 10 Assigned To 10 Network Conguration DHCP (Enabled) (N/A) IP Address 15 Sub.
English 70 Preparing Email Alerts 1. Make sure that user can access the homepage of LAN RJ45 function by web browser (for ex-ample, Microsoft Internet Explorer v6.01/v8.0). 2. From the Homepage of LAN/RJ45, click Alert Settings . 3. By default, these input boxes in Alert Settings are blank.
English 71 4 The From eld is the sender’s email address (for example, the projector administrator). This is a required eld. 4 Select the alert conditions by checking the desired boxes.
English 72 Quick Start-Guide for “RS232 by TELNET” Check and get the IP-Address on OSD of the projector. Make sure that laptop/PC can access the web-page of the projector. Make sure that “Windows Firewall” setting to be disabled in case of “TELNET” function ltering out by laptop/PC.
English 73 How to have TELNET enabled in Windows VISTA / 7 By default installation for Windows VISTA, “TELNET” function is not included. But end-user can have it by way of “Turn Windows features On or Off” to be enabled. 1. Open “Control Panel” in Windows VISTA.
English 74 3 Select “Turn Windows features on or off” to open. 4. Have “Telnet Client” option checked, then press “OK” button. Specsheet for “RS232 by TELNET” : 1. Telnet: TCP. 2. Telnet port: 23 (for more detail, kindly please get contact with the service agent or team).
English 75 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.
English 76 4 If you are using a Notebook: 1. First, follow the steps above to adjust resolution of the computer. 2. Press the toggle output settings. Example: [Fn]+[F4] Acer [Fn]+[F5] Asus [Fn.
English 77 The image is stretched when displaying 16:9 DVD title When you play anamorphic DVD or 16:9 DVD, the projector will show the best image in 16:9 format in OSD. If you play 4:3 format DVD title, please change the format as 4:3 in projector OSD.
English 78 HDMI Q & A What is the difference between a “Standard” HDMI cable and a “High-Speed” HDMI cable? Recently, HDMI Licensing, LLC announced that cables would be tested as Standard or High-Speed cables. 4 Standard (or “category 1”) HDMI cables have been tested to perform at speeds of 75Mhz or up to 2.
English 79 Projector Status Indication Message Power LED Power LED Temp LED Lamp LED (Blue) (Red) (Red) (Red) Operating On 0 0 0 Warm up or Cooling down Flashing (0.
English 80 Message Reminders 4 Replacing the lamp: 4 Out of range: (see the following for more information) Remote Control Problems If the remote control does not work 4 Check the operating angle for the remote control is approximately ±15°. 4 Make sure there are no obstructions between the remote control and the projector.
English 81 Replacing the Lamp The projection lamp should be replaced when it burns out. It should only be replaced with a certied replacement part, which you can order from your local dealer. Important: 4 The lamp contains a certain amount of mercury and should be disposed of according to local ordinance regulations.
English 82 4 1. Switch off the power to the projector by pressing the Power button. 2. Allow the projector to cool down at least 30 minutes. 3. Disconnect the power cord. 4. Unlock the lamp cover. 5. Pull up and remove the cover. 6. Use a screwdriver to remove the screws from the lamp module.
English 83 Cleaning the Projector Cleaning the projector to remove dust and grime will help ensure trouble-free operation. Warning: 4 Be sure to turn off and unplug the projector at least an hour before cleaning. Failure to do so could result in a severe burn.
English 84 Compatibility Modes Video Compatibility NTSC NTSC M/J, 3.58MHz, 4.43MHz PAL PAL B/D/G/H/I/M/N, 4.43MHz SECAM SECAM B/D/G/K/K1/L, 4.25/4.4 MHz SDTV 480i/p, 576i/p HDTV 720p(50/60Hz), 1080i(5.
English 85 Computer Compatibility - VESA standards Computer Signal (Analog RGB Compatible Signal Resolution Refresh Rate(Hz) Notes for Mac VGA 640 x 480 60/67/72/85 Mac 60/72/85 SVGA 800 x 600 56/60 (.
English 86 Input Signal for HDMI/DVI-D Signal Resolution Refresh Rate(Hz) Notes for Mac VGA 640 x 480 60 Mac 60/72/85 SVGA 800 x 600 60 (*2) /72/85/ 120 (*2) Mac 60/72/85 XGA 1024 x 768 50/60 (*2) /70.
English 87 True 3D Video Compatibility table Input Resolutions Input timing HDMI 1.4a 3D Input 1280 x 720p @50Hz Top - and - Bottom 1280 x 720p @60Hz Top - and - Bottom 1280 x 720p @50Hz Frame packing.
English 88 RS232 Commands RS232 Connector 6789 1234 5 Pin No Specication 1 N/A 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 N/A Appendices.
English 89 RS232 Protocol Function List RS232 Commands Baud Rate : 9600 Note : There is a <CR> after all ASCII commands Data Bits: 8 0D is the HEX code for <CR> in ASCII code Parity: None .
English 90 ~XX35 8 7E 30 30 33 35 20 38 0D 2.6 ~XX35 9 7E 30 30 33 35 20 39 0D 3D ------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------- ------------------------------------------- ~XX36 3 7E 30 30 33 36 20 30 0D Color Temp.
English 91 (WXGA/WUXGA Model) ~XX90 1 7E 30 30 39 31 20 31 0D Screen Type 16:10 ~XX90 0 7E 30 30 39 31 20 30 0D 16:9 ------------------------------------------------------------- ---------------------.
English 92 (5 minutes for each step). ~XX107 n 7E 30 30 31 30 37 20 a 0D Sleep Timer (min) n = 0 (a=30) ~ 995 (a=39 39 35) (30 minutes for each step) . ~XX114 1 7E 30 30 31 31 34 20 31 0D Power Mode(Standby) Active (<=0.5W) ~XX114 0 7E 30 30 31 31 34 20 30 0D E co.
English 93 Telnet Commands 4 P ort: support 3 ports of 23/1023/2023 4 Multi-connections: Projector could receive commands from different ports at the same time 4 Command Format: Follow RS232 command format (support both of ASCII and HEX) 4 C ommand Response: Follow RS232 return message.
English 94 Command Description Remark (Parameter) Cong-URL Device’s IP address LAN IP address is shown up if LAN IP address is valid. Wireless LAN IP address is shown up if Wireless LAN IP address is valid. http://xxx.xxx.xxx. xxx/index.html Revision The revision must follow a major.
English 95 Command Description Remark (Parameter) INPT? Inquiry about input switching 12 = VGA2 13 = Component 14 = BNC 21 = VIDEO 22 = S-VIDEO 31 = HDMI 1 32 = HDMI 2 AVMT Mute control 30 = Video and.
English 96 Command Description Remark (Parameter) INF0? Inquiry about other information No other information is available. No parameter is returned. CLSS? Inquiry about the class information “1” is returned. Trademarks 4 D LP is trademarks of Texas Instruments.
English 97 Ceiling Installation To prevent damage to your projector please use the recommended mounting package for installation. To ensure compliance, only use a UL Listed ceiling mount and screws th.
English 98 Optoma Global Ofces For service or support please contact your local ofce. USA 3178 Laurelview Ct. Fremont, CA 94538, USA Tel : 888-289-6786 Fax : 510-897-8601 www.optomausa.com Service : services@optoma.com Canada 2420 Meadowpine Blvd.
English 99 Scandinavia Optoma Scandinavia AS Lerpeveien 25 3040 Drammen Norway PO.BOX 9515 3038 Drammen Norway Tel : +4732988990 Fax : +4732988999 Service : info@optoma.no Latin America 3178 Laurelview Ct. Fremont, CA 94538, USA Tel : 888-289-6786 Fax : 510-897-8601 www.
English 100 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.
English 101 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. This device must accept any interference received, including interference that may cause undesired operation.
An important point after buying a device Optoma Technology EH505 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Optoma Technology EH505 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Optoma Technology EH505 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Optoma Technology EH505 you will learn all the available features of the product, as well as information on its operation. The information that you get Optoma Technology EH505 will certainly help you make a decision on the purchase.
If you already are a holder of Optoma Technology EH505, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Optoma Technology EH505.
However, one of the most important roles played by the user manual is to help in solving problems with Optoma Technology EH505. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Optoma Technology EH505 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
