Hitachi CP-D31N User Manual
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Hitachi CP-D31N User Manual

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Projector
CP-D31N
User's Manual (detailed)
Operating Guide
Thank you for purchasing this projector.
WARNING
►Before using this product, please read all manuals for this
product. Be sure to read "Safety Guide" first. After reading them, store them in a
safe place for future reference.

About this manual

Various symbols are used in this manual. The meanings of these symbols are
described below.
WARNING
CAUTION
NOTICE
NOTE
• The information in this manual is subject to change without notice.
• The manufacturer assumes no responsibility for any errors that may appear in
this manual.
• The reproduction, transfer or copy of all or any part of this document is not
permitted without express written consent.
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®
• Mac
is a registered trademark of Apple Inc.
®
• Windows
is a registered trademark of Microsoft Corporation in the U.S. and/or
other countries.
• VESA and DDC are trademarks of the Video Electronics Standard Association.
• HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks
or registered trademarks of HDMI Licensing LLC in the United States and other
countries.
• DVI is a trademark of Digital Display Working Group.
• Trademark PJLink is a trademark applied for trademark rights
in Japan, the United States of America and other countries and
areas.
TM
• Blu-ray Disc
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All other trademarks are the properties of their respective owners.
This symbol indicates information that, if ignored, could possibly
result in personal injury or even death due to incorrect handling.
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result in personal injury or physical damage due to incorrect
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Summary of Contents for Hitachi CP-D31N

  • Page 1: About This Manual

    HDMI Licensing LLC in the United States and other countries. • DVI is a trademark of Digital Display Working Group. • Trademark PJLink is a trademark applied for trademark rights in Japan, the United States of America and other countries and areas.

  • Page 2: Table Of Contents

    Contents Contents About this manual ... 1 OLOR TEMP OLOR HARPNESS Y MEMORY Contents ....2 IMAGE menu .

  • Page 3: Projector Features

    PJLink enables central control of projectors manufactured by different vendors and projectors can be operated by a controller. PJLink compliant equipment can be managed and controlled at any time and in any place, regardless of manufacturer.

  • Page 4: Fastening The Lens Cover

    Projector features / Preparations Fastening the lens cover Lens cover Strap hole Strap slit To avoid losing the cover, please fasten the lens cover to the projector using the included strap. Fasten the strap to the strap hole as shown in the figure for step 1.

  • Page 5: Part Names

    Part names HOT! Part names Projector (1) Lamp cover ( The lamp unit is inside. (2) Focus ring ( (3) Control panel ( (4) Elevator buttons (x 2) ( (10) (16) (5) Elevator feet (x 2) ( (6) Remote sensor ( (7) Lens ( (8) Intake vents (9) Filter cover (...

  • Page 6: Control Panel

    Part names Control panel (1) STANDBY/ON button ( 18, 25) (2) INPUT button ( INPUT MENU STANDBY/ON LAMP (3) MENU button ( It consists of four cursor buttons. TEMP 14, 17, 73) (4) POWER indicator ( POWER (5) TEMP indicator ( (6) LAMP indicator ( Rear panel (1) AUDIO IN1 port...

  • Page 7: Remote Control

    Part names Remote control (1) VIDEO button ( (10) (2) COMPUTER button ( (3) SEARCH button ( MY SOURCE/ VIDEO COMPUTER DOC.CAMERA (4) STANDBY/ON button ( AUTO ASPECT SEARCH BLANK (16) (12) (5) ASPECT button ( FREEZE PAGE VOLUME MAGNIFY (14) (6) AUTO button ( DOWN...

  • Page 8: Setting Up

    Setting up Setting up Install the projector according to the environment and manner the projector will be used in. Arrangement Refer to the illustrations and tables below to determine screen size and projection distance. The values shown in the table are calculated for a full size screen: 1024 x 768 a Screen size (diagonal) b Projection distance (±8%) c1 , c2 Screen height •...
  • Page 9 Setting up Arrangement (continued) WARNING ►Place the projector in a stable horizontal position. If the projector falls or is knocked over, it could cause injury and/or damage to the projector. Using a damaged projector could then result in fire and/or electric shock.

  • Page 10: Connecting Your Devices

    Setting up Connecting your devices Be sure to read the manuals for devices before connecting them to the projector. Make sure that all the devices are suitable to be connected with this product, and prepare the cables required to connect. Please refer to the following illustrations to connect them.
  • Page 11 Setting up Connecting your devices (continued) To use network functions of the projector, connect the LAN port to the computer's LAN port. To use NETWORK BRIDGE function, also connect the CONTROL port and an RS-232C port of the external device to communicate as a network terminal. See the User's Manual - Network Guide for details of network functions.
  • Page 12 Setting up Connecting your devices (continued) NOTE • Be sure to read the manuals for devices before connecting them to the projector, and make sure that all the devices are suitable to be connected with this product. Before connecting to a PC, check the signal level, the signal timing, and the resolution.
  • Page 13 Setting up Connecting your devices (continued) About Plug-and-Play capability Plug-and-Play is a system composed of a PC, its operating system and peripheral equipment (i.e. display devices). This projector is VESA DDC 2B compatible. Plug-and-Play can be used by connecting this projector to a PC that is VESA DDC (display data channel) compatible.

  • Page 14: Connecting Power Supply

    Setting up Connecting power supply Put the connector of the power cord into the AC IN (AC inlet) of the projector. Firmly plug the power cord’s plug into the outlet. In a couple of seconds after the power supply connection, the POWER indicator will light up in steady orange.

  • Page 15: Remote Control

    Remote control Remote control Installing the batteries Please insert the batteries into the remote control before using it. If the remote control starts to malfunction, try to replace the batteries. If you will not use the remote control for long period, remove the batteries from the remote control and store them in a safe place. Holding the hook part of the battery cover, remove it.

  • Page 16: Changing The Frequency Of Remote Control Signal

    Remote control Changing the frequency of remote control signal The accessory remote control has the two choices on signal frequency, Mode 1:NORMAL and Mode 2:HIGH. If the remote MY SOURCE/ VIDEO COMPUTER DOC.CAMERA control does not function properly, attempt to change the ASPECT AUTO SEARCH...

  • Page 17: Power On/Off

    Power on/off Power on/off STANDBY/ON button Turning on the power POWER indicator Make sure that the power cord is firmly and INPUT MENU STANDBY/ON LAMP correctly connected to the projector and the TEMP outlet. POWER Make sure that the POWER indicator is 73).

  • Page 18: Operating

    Operating Operating VOLUME +/- buttons Adjusting the volume Use the VOLUME +/- buttons to adjust the volume. MY SOURCE/ VIDEO COMPUTER DOC.CAMERA A dialog will appear on the screen to aid you in adjusting the ASPECT AUTO SEARCH BLANK volume. If you do not do anything, the dialog will automatically MAGNIFY FREEZE PAGE...
  • Page 19 Operating Selecting an input signal (continued) COMPUTER button Press the COMPUTER button on the remote control. Each time you press the button, the projector switches its input port from the current port as below. MY SOURCE/ VIDEO COMPUTER DOC.CAMERA COMPUTER IN1 COMPUTER IN2 HDMI ASPECT...

  • Page 20: Searching An Input Signal

    Operating Searching an input signal SEARCH button Press the SEARCH button on the remote control. MY SOURCE/ The projector will start to check its input ports as below in VIDEO COMPUTER DOC.CAMERA ASPECT AUTO SEARCH BLANK order to find any input signals. MAGNIFY FREEZE PAGE...

  • Page 21: Adjusting The Projector's Elevator

    Operating Adjusting the projector's elevator When the place to put the projector is slightly uneven to the left or right, use the elevator feet to place the projector horizontally. Using the feet can also tilt the projector in order to project at a suitable angle to the screen, elevating the front side of 3°...

  • Page 22: Using The Automatic Adjustment Feature

    Operating Using the automatic adjustment feature AUTO button Press the AUTO button on the remote control. Pressing this button performs the following. MY SOURCE/ VIDEO COMPUTER DOC.CAMERA For a computer signal AUTO ASPECT SEARCH BLANK The vertical position, the horizontal position and the PAGE VOLUME MAGNIFY...

  • Page 23: Correcting The Keystone Distortions

    Operating KEYSTONE button Correcting the keystone distortions ASPECT AUTO SEARCH BLANK Press the KEYSTONE button on the remote control. FREEZE PAGE VOLUME MAGNIFY A dialog will appear on the screen to aid you in correcting the distortion. DOWN KEYSTONE MY BUTTON MUTE Use the ◄/►...

  • Page 24: Temporarily Freezing The Screen

    Operating Temporarily freezing the screen FREEZE button Press the FREEZE button on the remote control. The “FREEZE” indication will appear on the screen (however, MY SOURCE/ COMPUTER the indication will not appear when the OFF is selected for VIDEO DOC.CAMERA 43)), and the ASPECT AUTO...

  • Page 25: Using The Menu Function

    Operating Using the menu function This projector has the following menus: PICTURE, IMAGE, INPUT, SETUP, AUDIO, SCREEN, OPTION, NETWORK, SECURITY and EASY MENU. The EASY MENU consists of functions often used, and the other menus are classified into each purpose and brought together as the ADVANCED MENU. Each of these menus is operated using the same methods.
  • Page 26 Operating Using the menu function (continued) To close the MENU, press the MENU button again or select the EXIT and press the ◄ cursor (or the ENTER) button. Even if you do not do anything, the dialog will automatically disappear after about 30 seconds. ●...

  • Page 27: Easy Menu

    EASY MENU EASY MENU From the EASY MENU, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons. Then perform it according to the following table. Item Description Using the ◄/► cursor buttons switches the mode for aspect ratio. 32).
  • Page 28 EASY MENU Item Description Using the ◄/► cursor buttons turns off/on the eco mode. ECO MODE 38). See the ECO MODE item in the SETUP menu ( Using the ◄/► cursor buttons switches the mode for mirror status. MIRROR 39). See the MIRROR item in the SETUP menu ( Performing this item resets all of the EASY MENU items except the FILTER TIME and the LANGUAGE.

  • Page 29: Picture Menu

    PICTURE menu PICTURE menu From the PICTURE menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item. Then perform it according to the following table.

  • Page 30: Color Temp , C M Y Memory

    PICTURE menu Item Description Using the ▲/▼ cursor buttons switches the color temperature mode. 1 HIGH 1 CUSTOM 2 MID 2 CUSTOM 6 CUSTOM 3 LOW 6 Hi-BRIGHT-3 3 CUSTOM 5 CUSTOM 5 Hi-BRIGHT-2 4 CUSTOM 4 Hi-BRIGHT-1 To adjust CUSTOM Selecting a mode whose name includes the CUSTOM and then pressing the ►...
  • Page 31 PICTURE menu Item Description Using the ◄/► cursor buttons adjusts the tint. Reddish Greenish • This item can be selected when input signals are video, s-video or component video signals. TINT • When input signal is HDMI , this item can also be selected if either 1) or 2) applies.

  • Page 32: Image Menu

    IMAGE menu IMAGE menu From the IMAGE menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item. Then perform it according to the following table.
  • Page 33 IMAGE menu Item Description Using the ◄/► cursor buttons adjusts the horizontal position. Right Left • Over-adjusting the horizontal position may cause noise to appear on the screen. If this occurs, please reset the horizontal position to the default setting. Pressing the RESET button on the remote control when H POSITION the H POSITION is selected will reset the H POSITION to the default setting.

  • Page 34: Input Menu

    INPUT menu INPUT menu From the INPUT menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item. Then perform it according to the following table.

  • Page 35: Video Format , H Computer In , F

    INPUT menu Item Description The video format for the S-VIDEO port and the VIDEO port can be set. (1) Use the ▲/▼ cursor buttons to select the input port. S-VIDEO VIDEO (2) Using the ◄/► cursor buttons switches the mode for video format.
  • Page 36 INPUT menu Item Description The computer input signal type for the COMPUTER IN1 and IN2 ports can be set. (1) Use the ▲/▼ cursor buttons to select the COMPUTER IN port to be set. COMPUTER IN1 COMPUTER IN2 (2) Use the ◄/► cursor buttons to select the computer input signal type.
  • Page 37 INPUT menu Item Description The resolution for the COMPUTER IN1 and the COMPUTER IN2 input signals can be set on this projector. In the RESOLUTION menu select the resolution you wish to display using the ▲/▼ cursor buttons. ■AUTO Selecting AUTO will set a resolution appropriate to the input signal.

  • Page 38: Setup Menu

    SETUP menu SETUP menu From the SETUP menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) buttonn to execute the item. Then perform it according to the following table. Item Description Using the ◄/►...

  • Page 39: Monitor Out

    SETUP menu Item Description Using the ▲/▼ cursor buttons switches the mode for mirror status. NORMAL H:INVERT V:INVERT H&V:INVERT MIRROR If the Transition Detector is on and the MIRROR status is changed, 63) will be displayed the TRANSITION DETECTOR ON alarm ( when projector is restarted after the AC power is turned off.

  • Page 40: Audio Menu

    AUDIO menu AUDIO menu From the AUDIO menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item. Then perform it according to the following table.

  • Page 41: Screen Menu

    SCREEN menu SCREEN menu From the SCREEN menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item. Then perform it according to the following table.
  • Page 42 SCREEN menu Item Description This item allows you to capture an image for use as a MyScreen image which can be used as the BLANK screen and the START UP screen. Display the image you want to capture before executing the following procedure.
  • Page 43 SCREEN menu Item Description Using the ▲/▼ cursor buttons turns on/off the MyScreen lock function. MyScreen Lock When the ON is selected, the item MyScreen is locked. Use this function for protecting the current MyScreen. • This function cannot be selected when the ON is selected to the 61).
  • Page 44 SCREEN menu Item Description Each input port for this projector can have a name applied to it. (1) Use the ▲/▼ cursor buttons on the SCREEN menu to select the SOURCE NAME and press the ► cursor (or the ENTER) button. The SOURCE NAME menu will be displayed.
  • Page 45 SCREEN menu Item Description Using the ▲/▼ cursor buttons switches the mode for the template screen. Press the ► cursor (or the ENTER) button to display the selected template, and press the ◄ cursor button to close the displayed screen. The last selected template is displayed when the MY BUTTON 49).
  • Page 46 SCREEN menu Item Description The C.C. is the function that displays a transcript or dialog of the audio portion of a video, files or other presentation or other relevant sounds. It is required to have NTSC format video or 480i@60 format component video source supporting C.C.

  • Page 47: Option Menu

    OPTION menu OPTION menu From the OPTION menu, items shown in the table below can be performed. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button to execute the item, except for the items LAMP TIME and FILTER TIME.

  • Page 48: Auto Power Off

    OPTION menu Item Description Using the ▲/▼ cursor buttons adjusts the time to count down to automatically turn the projector off. Long (max. 99 minutes) Short (min. 0 minute = DISABLE) When the time is set to 0, the projector is not turned off automatically. AUTO When the time is set to 1 to 99, and when the passed time with no- POWER OFF...
  • Page 49 OPTION menu Item Description This item is to assign one of the following functions to the MY BUTTON 1/2 on the remote control ( (1) Use the ▲/▼ cursor buttons on the MY BUTTON menu to select a MY BUTTON - (1/2) and press the ► cursor (or the ENTER) button to display the MY BUTTON setup dialog.

  • Page 50: Service

    OPTION menu Item Description Selecting this item displays the SERVICE menu. Select an item using the ▲/▼ cursor buttons, and press the ► cursor (or the ENTER) button on the remote control to execute the item. FAN SPEED Using the ▲/▼ cursor buttons switches the rotation speed of the cooling fans.
  • Page 51 OPTION menu Item Description KEY LOCK Using the ▲/▼ buttons turns on/off the key lock feature. When ON is selected, the buttons on the projector except the STANDBY/ON button are locked. • Please use this function to prevent tampering or accidental operation.
  • Page 52 OPTION menu Item Description COMMUNICATION TYPE Select the communication type for transmission via the CONTROL port. NETWORK BRIDGE NETWORK BRIDGE: Select this type, if it is required to control an external device as a network terminal, via this projector from the computer. The CONTROL port doesn't accept RS-232C commands.( Controlling the external device...
  • Page 53 OPTION menu Item Description RESPONSE LIMIT TIME Select the time period to wait for receiving response data from other device communicating by the NETWORK BRIDGE and the HALF-DUPLEX through the CONTROL port. OFF: Select this mode if it is not required to check the responses from the device that the projector sends data to.
  • Page 54 OPTION menu Item Description INFORMATION Selecting this item displays a dialog titled “INPUT_INFORMATION”. It shows the information about the current input. • The “FRAME LOCK” message on the dialog means the frame lock function is working. • This item can't be selected for no signal and sync out. SERVICE •...

  • Page 55: Network Menu

    NETWORK menu NETWORK menu Remember that incorrect network settings on this projector may cause trouble on the network. Be sure to consult with your network administrator before connecting to an existing access point on your network. Select “NETWORK” from the main menu to access the following functions.
  • Page 56 NETWORK menu Item Description Use the ▲/▼/◄/► buttons to enter the IP ADDRESS. This function can only be used when DHCP is set to OFF. IP ADDRESS • The IP ADDRESS is the number that identifies this projector on the network. You cannot have two devices with the same IP ADDRESS on the same network.
  • Page 57 NETWORK menu Item Description (1) Use the ▲/▼ buttons on the NETWORK menu to select the PROJECTOR NAME and press the ► button. The PROJECTOR NAME dialog will be displayed. (2) The current PROJECTOR NAME will be displayed on the first 3 lines.
  • Page 58 NETWORK menu Item Description Selecting this item displays the MY IMAGE menu. The application software “PJImage” is required to store image(s) into the projector. Use the ▲/▼ buttons to select an item which is a still image by the MY IMAGE ( MY IMAGE (Still Image Transfer) Display of the User’s Manual - Network Guide) and the ►...
  • Page 59 NETWORK menu Item Description Selecting this item displays the NETWORK_INFORMATION dialog for confirming the network settings. INFORMATION • Only the first 16 characters of the projector neme are displayed. • Nothing (blank) is shown in the “PROJECTOR NAME” field until 57).

  • Page 60: Security Menu

    SECURITY menu SECURITY menu This projector is equipped with security functions. From the SECURITY menu, items shown in the table below can be performed. To use SECURITY menu: User registration is required before using the security functions. Enter the SECURITY menu 1.
  • Page 61 SECURITY menu Item Description The MyScreen PASSWORD function can be used to prohibit access to the MyScreen function and prevent the currently registered MyScreen image from being overwritten. 1 Turning on the MyScreen PASSWORD 1-1 Use the ▲/▼ cursor buttons on the SECURITY menu to select MyScreen PASSWORD and press the ►...
  • Page 62 SECURITY menu Item Description The PIN LOCK is a function which prevents the projector from being used unless a registered Code is input. 1 Turning on the PIN LOCK 1-1 Use the ▲/▼ cursor buttons on the SECURITY menu to select PIN LOCK and press the ► cursor (or the ENTER) button to display the PIN LOCK on/off menu.
  • Page 63 SECURITY menu Item Description Transition Detector alarm shown below might appear on screen, if the projector has been moved or re-installed. Transition Detector alarm might appear on screen, if the MIRROR setting has been changed. • To display the signal again, set this function to the OFF. •...
  • Page 64 SECURITY menu Item Description The MY TEXT PASSWORD function can prevent the MY TEXT from being overwritten. When the password is set for the MY TEXT; • The MY TEXT DISPLAY menu will be unavailable, which can prohibit changing the DISPLAY setting. •...
  • Page 65 SECURITY menu Item Description (1) Use the ▲/▼ cursor buttons on the SECURITY menu to select the MY TEXT DISPLAY and press the ► cursor (or the ENTER) button to display the MY TEXT DISPLAY on/off menu. (2) Use the ▲/▼ cursor buttons on the MY TEXT DISPLAY on/off menu to select on or off.

  • Page 66: Maintenance

    Maintenance Maintenance Replacing the lamp A lamp has finite product life. Using the lamp for long periods of time could cause the pictures darker or the color tone poor. Note that each lamp has a different lifetime, and some may burst or burn out soon after you start using them. Preparation of a new lamp and early replacement are recommended.

  • Page 67: Lamp Warning

    Maintenance Replacing the lamp (continued) Lamp warning HIGH TEMPERATURE HIGH PRESSURE HIGH VOLTAGE WARNING ►The projector uses a high-pressure mercury glass lamp. The lamp can break with a loud bang, or burn out, if jolted or scratched, handled while hot, or worn over time.

  • Page 68: Cleaning And Replacing The Air Filter

    Maintenance Cleaning and replacing the air filter The air filter has two kinds of filters inside. Please check and clean the air filter periodically. When the indicators or a message prompts you to clean the air filter, comply with it as soon as possible.

  • Page 69: Replacing The Internal Clock Battery

    Maintenance Replacing the internal clock battery Consumption of the battery makes the clock not to work correctly. When the clock is wrong or it has stopped, please replace the battery according to the following procedures.. Battery Cover Turn the projector off, and unplug the power cord. Allow the projector to cool sufficiently.

  • Page 70: Other Care

    Maintenance Other care Inside of the projector In order to ensure the safe use of your projector, please have it cleaned and inspected by your dealer about once every year. Caring for the lens • If the lens is flawed, soiled or fogged, it can cause deterioration in display quality. Handle the projector carefully to prevent the lens from being scratched or soiled.

  • Page 71: Troubleshooting

    Troubleshooting Troubleshooting If an abnormal operation should occur, stop using the projector immediately. WARNING ►Never use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. should occur. In such cases, immediately disconnect the power plug from the power outlet.

  • Page 72: Related Messages

    Troubleshooting Related messages When some message appears, check and cope with it according to the following table. Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on. Message Description There is no input signal.

  • Page 73: Regarding The Indicator Lamps

    Troubleshooting Regarding the indicator lamps When operation of the POWER, TEMP and LAMP indicators differs from usual, check and cope with it according to the following table. Description POWER TEMP LAMP Lighting The projector is in a standby state. Turned Turned Please refer to the section “Power on/off”.
  • Page 74 Troubleshooting Regarding the indicator lamps (continued) POWER TEMP LAMP Description The cooling fan is not operating. Please turn the power off, and allow the projector to cool Blinking down at least 20 minutes. After the projector has sufficiently Blinking Turned cooled down, please make confirmation that no foreign matter has become caught in the fan, etc., and then turn the Lighting...

  • Page 75: Shutting The Projector Down

    Troubleshooting Shutting the projector down Shutdown switch Only when the projector can not be turned off by usual 17), please push the shutdown switch using a procedure ( pin or similar, and disconnect the power plug from the power outlet. Before turning it on again, wait at least 10 minutes to make the projector cool down enough.
  • Page 76 Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Reference Phenomenon Cases not involving a machine defect page The signal cables are not correctly connected. Correctly connect the audio cables. The MUTE function is working. Restore the sound pressing MUTE or VOLUME +/- button on the remote control.
  • Page 77 Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Reference Phenomenon Cases not involving a machine defect page The HDMI cable is not correctly connected. Correctly connect the HDMI cable. Your HDMI equipment is not compatible with the projector.
  • Page 78 Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Reference Phenomenon Cases not involving a machine defect page When the Vertical resolution of the input signal is equal to or ASPECT is more than the vertical resolution of display area that is set to NATIVE, determined by D-ZOOM adjustment value.
  • Page 79 Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Reference Phenomenon Cases not involving a machine defect page The lamp is turned off. If the projector is in the standby state, please press the STANDBY/ON button on the projector or the remote 17, 73, control to turn on the lamp.

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