Instruction/ maintenance manual of the product CP-AW251NMEF Hitachi
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1 Projector CP-A221N/CP-A301N/CP-AW251N User's Manual (detailed) Operating Guide Thank you for purchasing this projector . ►Before using this product, please read all manuals for this product. Be sure to read “ Safety Guide ” rst. After reading them, store them in a safe place for future reference.
2 Contents Introduction . . . . . . . . . . . . . . . 3 Features . . . . . . . . . . . . . . . . . . . . . . 3 Checking the contents of package ... 3 Part names . . . . . . . . . . . . . . . . . . . . 4 Setting up . . . . . . . . . . . . . . . . . 7 Arrangement .
3 Introduction • Keep the original packing materials, for future reshipment. Be sure to use the original packing materials when moving the projector . Use special caution for the lens. NO TE Introduction The projector provides you with the broad use by the following features.
4 Introduction (1) Lamp cover ( 92 ) The lamp unit is inside. (2) Control panel ( 5 ) (3) Elevator feet (x 2) ( 23 ) (4) Remote sensor ( 16 ) (5) Lens ( 97 ) (6) Intake vents (7) Filter cover ( 94 ) The air lter and intake vent are inside.
5 Introduction Control panel (1) ST ANDBY/ON button ( 18 ) (2) INPUT button ( 20 ) (3) POWER indicator ( 18, 101, 102 ) (4) TEMP indicator ( 101, 102 ) (5) LAMP indicator ( 101, 10.
6 Introduction Remote control (1) VIDEO button ( 21 ) (2) COMPUTER button ( 21 ) (3) SEARCH button ( 22 ) (4) ST ANDBY/ON button ( 18 ) (5) ASPECT button ( 22 ) (6) AUTO button ( 24 ) (7) BLANK button ( 27 ) (8) MAGNIFY - ON button ( 26 ) (9) MAGNIFY - OFF button ( 26 ) (10) MY SOURCE/DOC.
7 Setting up Setting up (continued on next page) Install the projector according to the environment and manner the projector will be used in. Ar rangement Refer to table T -1 or T -2 and gures F-1 and F-2 at the end of User’s Manual (concise) to determine the screen size and projection distance.
8 Setting up Arrangement (continued) ►Place the projector in a cool place, and ensure that there is sufcient ventilation. The high temperature of the projector could cause re, burns and/or malfunction of the projector . • Do not stop-up, block or otherwise cover the projector's vents.
9 Setting up Before connecting the projector to a device, consult the manual of the device to conrm that the device is suitable for connecting with this projector and prepare the required accessories, such as a cable in accord with the signal of the device.
10 Connecting with your devices (continued) • Wh en A U TO i s se le ct ed f or t he COMPUTER IN1 or COMPUTER IN2 p or t in C O MP U T E R I N of th e I N P U T me n u , t ha t p o r t wi l l ac c e p t c om p o n e n t v i de o signals ( 40 ).
11 Connecting with your devices (continued) (continued on next page) • Before connecting the projector to a computer , consult the computer ’s manual and check the compatibility of the signal level, the synchronization methods and the display resolution output to the projector .
12 (continued on next page) Connecting with your devices (continued) Setting up • If you insert a USB storage device, such as a USB memory , into the USB TYPE A port and select the port as the input source, you can view images stored in the device ( 78 ) .
13 Setting up Connecting with your devices (continued) T o use network functions of the projector , connect the LAN port with the computer's LAN port, or with an access point that is connected to the computer with wireless LAN, using a LAN cable.
14 Setting up Connecting to a pow er suppl y 1. Put the connector of the power cord into the AC IN (AC inlet) of the projector . 2. 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.
15 Using the cable co v er Utilize the cable cover as the guard and blind for the connecting parts. 1. Connect the signal cables and the power cord to the projector rst. 2. Combine parts as shown in gure, and assemble the cable cover . 3 . Insert the three knobs on the cable cover into the three holes on the projector as shown in the gure.
16 Remote control Remote control About the remote contr ol signal The remote control works with the projector ’s remote sensor . This projector has a remote sensor on the front. The sensor senses the signal within the following range when the sensor is active: 60 degrees (30 degrees to the left and right of the sensor) within 3 meters about.
17 Remote control Changing the frequency of r emote control signal The accessory remote control has the two choices on signal frequency Mode 1:NORMAL and Mode 2:HIGH. If the remote control does not function properly , attempt to change the signal frequency .
18 Po wer on/of f 1. Make sure that the power cord is rmly and correctly connected to the projector and the outlet. T ur ning on the pow er 2. Make sure that the POWER indicator is steady orange ( 101 ). 3. Conrm that there is nothing that the lens door hits while opening.
19 Po wer on/of f ► Be careful not to pinch your nger with the lens door , to prevent an injury . ►Do not touch around the lamp cover and the exhaust vents during use or just after use, since it is too hot. ►Remove the power cord for complete separation.
20 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + Operating Operating 1. Adjusting the v olume Use the VOLUME + / VOLUME - buttons to adjust the volume.
21 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + Operating 1.
22 1. Press ASPECT button on the remote control. Each time you press the button, the projector switches the mode for aspect ratio in turn. Selecting an aspect ratio ● ASPECT button does not work when no proper signal is inputted. ● NORMAL mode keeps the original aspect ratio setting.
23 Operating Adjusting the zoom and f ocus Adjusting the projector's eleva tor The projector has Front foot for inclinations and Rear foot for horizontals. Spacers on the each elevator foot are installed at the time of shipment, and projector is in a condition to be able to just project.
24 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + Operating 1. Press AUTO button on the remote control. Pressing this button performs the following.
25 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + 1. Press the POSITION button on the remote control while no menu is on screen, to display the D-SHIFT ( 42 ) dialog on screen.
26 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + Operating 1. Using the magnify feature 2. 3. 4. Press the MAGNIFY ON button on the remote control.
27 Operating 1. Press BLANK button on the remote control. The BLANK screen will be displayed instead of the screen of input signal. Please refer to BLANK item in SCREEN menu ( 48 ). T o exit from the BLANK screen and return to the input signal screen, press BLANK button again.
28 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION ESC MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE DOWN ON OFF FREEZE UP ー ＋ VOLUME 1 2 ENTER FOCUS - + D-ZOOM - + Operating 1. T o start the MENU, press the MENU button. The MENU you last used (EASY or ADV ANCED) will appear .
29 Operating Using the menu function (continued) 3. T o close the MENU, press the MENU button again or select EXIT and press the ◄ cursor button or ENTER button. Even if you do not do anything, the dialog will automatically disappear after about 30 seconds.
30 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 ASPECT Using the ◄/► buttons switches the mode for aspect ratio.
31 EASY MENU Item Description PICTURE MODE Using the ◄/► buttons switches the picture mode. The picture modes are combinations of GAMMA and COLOR TEMP settings.
32 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 button or ENTER button to execute the item. Then perform it according to the following table.
33 PICTURE menu (continued on next page) Item Description COLOR TEMP Using the ▲/▼ buttons switches the color temperature mode. T o adjust CUSTOM Selecting a mode whose name includes CUSTOM and then pressing the ► button or the ENTER button displays a dialog to aid you in adjusting the OFFSET and GAIN of the selected mode.
34 PICTURE menu Item Description SHARPNESS Using the ◄/► buttons adjusts the sharpness. Weak ó Strong • There may be some noise and/or the screen may icker for a moment when an adjustment is made. This is not a malfunction. ACTIVE IRIS Using the ▲/▼ cursor buttons changes the active iris control mode.
35 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 button or ENTER button to execute the item. Then perform it according to the following table.
36 IMAGE menu Item Description V POSITION Using the ◄/► buttons adjusts the vertical position. Down ó Up • Over-adjusting the vertical position may cause noise to appear on the screen. If this occurs, please reset the vertical position to the default setting.
37 IMAGE menu Item Description H PHASE Using the ◄/► buttons adjusts the horizontal phase to eliminate icker . Right ó Left • This item can be selected only for a computer signal or a component video signal. This function is unavailable for a signal from the LAN , USB TYPE A , USB TYPE B or HDMI port.
38 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 button or ENTER button to execute the item. Then perform it according to the following table.
39 INPUT menu (continued on next page) Item Description VIDEO FORMA T The video format for S-VIDEO port and VIDEO port can be set. (1) Use the ▲/▼ buttons to select the input port. (2) Using the ◄/► buttons switches the mode for video format. AUTO ó NTSC ó P AL ó SECAM N-P AL ó M-P AL ó NTSC4.
40 INPUT menu Item Description COMPUTER IN The computer input signal type for COMPUTER IN1 and IN2 ports can be set. (1) Use the ▲/▼ buttons to select the COMPUTER IN port to be set. (2) Use the ◄/► buttons to select the computer input signal type.
41 INPUT menu Item Description RESOLUTION The resolution for the COMPUTER IN1 and COMPUTER IN2 input signals can be set on this projector . (1) In the INPUT menu select the RESOLUTION using the ▲/▼ buttons and press the ► button. The RESOLUTION menu will be displayed.
42 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 button or ENTER button to execute the item. Then perform it according to the following table.
43 SETUP menu Item Description PICT . POSIT . H (CP-A W251N) Using the ▲/▼ cursor buttons selects the horizontal picture position. LEFT ó MID ó RIGHT The PICT . POSIT . H is not changed if any of the following cases apply . • The ASPECT is set to 16:9 or 16:10.
44 SETUP menu Item Description PERFECT FIT This item allows you to adjust the shape of the projected image in each of the corners and sides. (1) Choose a corner or side to adjust using the ▲/▼/◄/► buttons and press the ENTER or INPUT button. (2) Adjust the distortion as below .
45 SETUP menu Item Description ECO MODE Using the ▲/▼ buttons changes the eco mode setting. NORMAL ó ECO • When the ECO is selected, acoustic noise and screen brightness are reduced. • When AUTO ECO MODE ( 44 ) is set to ON, the projector will always be set to Eco mode at start-up regardless this setting.
46 A UDIO 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 button or the ENTER button to execute the item. Then perform it according to the following table.
47 A UDIO menu Item Description HDMI AUDIO Using the ▲/▼ buttons switches the mode for the HDMI TM audio. Check each of the two modes provided and select the suitable one for your HDMI TM audio device. 1 ó 2 MIC LEVEL Using the ▲/▼ buttons switches the input level to match that of the microphone connected to the MIC port.
48 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 button or ENTER button to execute the item. Then perform it according to the following table.
49 SCREEN menu Item Description MyScreen This item allows you to capture an image for use as a MyScreen image which can be used as the BLANK screen and ST ART UP screen. Display the image you want to capture before executing the following procedure. 1.
50 SCREEN menu Item Description MyScreen Lock Using the ▲/▼ buttons turns on/off the MyScreen lock function. ON ó OFF When the ON is selected, the item MyScreen is locked.
51 SCREEN menu Item Description SOURCE NAME Each input port for this projector can have a name applied to it. (1) Use the ▲/▼ buttons on the SCREEN menu to select SOURCE NAME and press the ► or ENTER button. The SOURCE NAME menu will be displayed.
52 SCREEN menu Item Description SOURCE NAME ( Continued ) (6) The current name will be displayed on the rst line. Use the ▲/▼/◄/► buttons and the ENTER or INPUT button to select and enter characters. T o erase 1 character at one time, press the RESET button or press the ◄ and INPUT button at the same time.
53 SCREEN menu Item Description C.C. (Closed Caption) The C.C. is the function that displays a transcript or dialog of the audio portion of a video, les or other presentation or other relevant sounds. It is required to have NTSC format video or 480i@60 format component video source supporting C.
54 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 button or ENTER button to execute the item, except for the items LAMP TIME and FIL TER TIME.
55 OPTION menu Item Description AUTO POWER OFF Using the ▲/▼ buttons adjusts the time to count down to automatically turn the projector off. Long (max. 99 minutes) ó Short (min. 0 minute = DISABLE) When the time is set to 0, the projector is not turned off automatically .
56 OPTION menu Item Description LAMP TIME The lamp time is the usage time of the lamp, counted after the last resetting. It is shown in the OPTION menu. Pressing the RESET button on the remote control or the ► button of the projector displays a dialog.
57 OPTION menu Item Description MY BUTT ON This item is to assign one of the following functions to MY BUTT ON 1/2 on the remote control ( 6 ). (1) Use the ▲/▼ buttons on the MY BUTT ON menu to select a MY BUTTON - (1/2) and press the ► or ENTER button to display the MY BUTT ON setup dialog.
58 OPTION menu Item Description MY BUTT ON ( Continued ) • ACTIVE IRIS: Changes the active iris mode. • PICTURE MODE: Changes the PICTURE MODE ( 31 ).
59 OPTION menu Item Description SERVICE Selecting this item displays the SERVICE menu. Select an item using the ▲/▼ buttons, and press the ► button or the ENTER button on the remote control to execute the item. F AN SPEED Using the ▲/▼ buttons switches the rotation speed of the cooling fans.
60 OPTION menu Item Description SERVICE (continued) KEY LOCK (1) Use the ▲/▼ buttons to select CONTROL P ANEL or REMOTE CONTROL. (2) Use the ◄/► buttons to turn the key lock function on/off. When ON is selected, all buttons on the projector or remote control except the ST ANDBY/ON button are locked.
61 OPTION menu Item Description SERVICE (continued) REMOTE FREQ. (1) Use the ▲/▼ button to change the projector's remote sensor frequency setting ( 4, 17 ). 1:NORMAL ó 2:HIGH (2) Use the ◄/► button to change the projector's remote sensor on or off.
62 OPTION menu Item Description SERVICE (continued) COMMUNICA TION (continued) COMMUNICA TION TYPE Select the communication type for transmission via the CONTROL port. NETWORK BRIDGE ó OFF NETWORK BRIDGE: Select this type, if it is required to control an external device as a network terminal, via this projector from the computer .
63 OPTION menu Item Description SERVICE (continued) COMMUNICA TION (continued) RESPONSE LIMIT TIME Select the time period to wait for receiving response data from other de vice comm unicating by the NETWORK BRIDGE and the HALF-DUPLEX through the CONTROL port.
64 OPTION menu Item Description SERVICE (continued) INFORMA TION Selecting this item displays a dialog titled “INPUT_INFORMA TION”. It shows the information about the current input. • The “FRAME LOCK” message on the dialog means the frame lock function is working.
65 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.
66 NETWORK menu Item Description SETUP (continued) IP ADDRESS Use the ▲/▼/◄/► buttons to enter the IP ADDRESS. This function can only be used when DHCP is set to OFF . • The IP ADDRESS is the number that identies this projector on the network.
67 NETWORK menu Item Description PROJECTOR NAME (1) Use the ▲/▼ buttons on the NETWORK menu to select the PROJECTOR NAME and press the ► button. The PROJECT OR NAME dialog will be displayed. (2) The current PROJECTOR NAME will be displayed on the rst 3 lines.
68 NETWORK menu Item Description MY IMAGE Selecting this item displays the MY IMAGE menu. T o store images in the projector , the application software PJImg/Projector Image T ool that can be downloaded from our website is required.
69 NETWORK menu Item Description PRESENT A TION Selecting this item displays the PRESENT A TION menu. Use ▲/▼ buttons to select one of the following items, then press ► or ENTER button to use the function.
70 NETWORK menu Item Description PRESENT A TION (continued) MUL TI PC MODE (continued) • T o change from Multi PC mode to Single PC mode, select one of computers in the dialog using the ▲/▼/◄/► buttons and press the ENTER or INPUT button. Press the ► button to choose OK, and then press ENTER or INPUT again.
71 NETWORK menu Item Description INFORMA TION Selecting this item displays the NETWORK_INFORMA TION dialog for conrming the network settings. • For the details of P ASSCODE, see the section Selecting the network connection method in the User ’ s manual – Network Guide.
72 SECURITY menu Item Description SECURITY P ASSWORD CHANGE (1) Use the ▲/▼ buttons on the SECU RITY menu to select SECURITY P ASSWORD CHANGE and press the ► button to display the ENTER NEW P ASSWORD box. (2) Use the ▲/▼/◄/► buttons to enter the new password.
73 SECURITY menu Item Description MyScreen P ASSWORD The MyScreen P ASSWORD function can be used to prohibit access to the MyScreen function and prevent the currently registered MyScreen image from being overwritten.
74 SECURITY menu Item Description PIN LOCK PIN LOCK is a function which prevents the projector from being used unless a registered Code is input. 1 T urning on the PIN LOCK 1-1 Use the ▲/▼ buttons on the SECURITY menu to select PIN LOCK and press the ► button or the ENTER button to display the PIN LOCK on/off menu.
75 SECURITY menu Item Description TRANSITION DETECTOR If this function is set to ON when the vertical angle of the projector or MIRROR setting at which the projector is turned on is different than the previously recorded, the TRANSITION DETECTOR ON alarm will be displayed and the projector will not display the input signal.
76 SECURITY menu Item Description MY TEXT P ASSWORD The MY TEXT P ASSWORD function can prevent the MY TEXT from being overwritten. When the password is set for the MY TEXT ; • The MY TEXT DISPLA Y menu will be unavailable, which can prohibit changing the DISPLA Y setting.
77 SECURITY menu Item Description MY TEXT DISPLA Y (1) Use the ▲/▼ buttons on the SECURITY menu to select the MY TEXT DISPLA Y and press the ► or ENTER button to display the MY TEXT DISPLA Y on/off menu. (2) Use the ▲/▼ buttons on the MY TEXT DISPLA Y on/off menu to select on or off.
78 Presentation tools The PC-LESS Presentation reads image data from storage media inserted into the USB TYPE A port and displays the image on the following modes. The PC-LESS Presentation can be started by selecting the USB TYPE A port as the input source.
79 T humbnail mode PC-LESS Presentation (continued) The Thumbnail mode displays the images stored in a USB storage device on the Thumbnail screen. Maximum 20 images are displayed in a screen. If you wish, you can jump into the Full Screen mode or Slideshow mode, after you select some images in the Thumbnail mode.
80 PC-LESS Presentation (continued) The SETUP menu for the selected image Item Functions SETUP Use the ◄/► cursor buttons to switch each setting or use the ► cursor button to execute the functions as follows. RETURN Press the ► cursor button or ENTER to return to the Th umbnail screen.
81 Y ou can also control the images by using the menu on the Thumbnail screen. PC-LESS Presentation (continued) Operating by the menu on the Thumbnail screen Item Functions Moves to an upper folder . SORT Allows you to sort les and folders as following.
82 Presentation tools PC-LESS Presentation (continued) • These operations are not accessible while the projector OSD is displayed. • The Thumbnail mode shows 20 pictures in 1 page as maximum. • It is not possible to change the input port by using the INPUT button when the Thumbnail screen, Slideshow , or Full Screen is displayed.
83 Presentation tools PC-LESS Presentation (continued) The Full Screen mode shows a full display image. T o display in Full Screen mode, select an image in the Thumbnail screen. Then press the ENTER button on the remote control or the INPUT button on the keypad, or click [ENTER] on the Web Remote Control.
84 Presentation tools PC-LESS Presentation (continued) Slideshow mode The following operations can be accessible while the Slideshow is displayed. * These operations are not accessible while the projector OSD is displayed.
85 Presentation tools PC-LESS Presentation (continued) Y ou can play the Slideshow at your desired conguration. Congure the Slideshow items in the Thumbnail. 1) RETURN : Returns to the thumbnail mode. 2) PLA Y : Play the Slideshow . 3) ST ART : Set the beginning number of the Slideshow .
86 Presentation tools PC-LESS Presentation (continued) Playlist The Playlist is a DOS format text le, which decides the order of displayed still image les in the Thumbnail or Slideshow . The playlist le name is “playlist.txt” and it can be edited on a computer .
87 Presentation tools USB Display The projector can display images transferred from a computer via an USB cable ( 10 ). Select the USB DISPLA Y for the USB TYPE B item in the OPTION menu.
88 Presentation tools USB Display (continued) This application will appear in the Windows notication area once it starts. Y ou can quit the application from your computer by selecting “Quit” on the menu. • T he “L ive V ie wer ” ( refer to th e User's Manual - Network Guide ) and this application cannot be used at the same time.
89 Presentation tools Display : The Float ing m enu is disp lay ed, and the i con di sappe ars fr om th e Windows notication area. Quit : The application is closed, and the icon disappears from the Windows notication area.
90 Presentation tools If you select the Option button on the Floating menu, the Options window is displayed. Optimize P erfor mance The “LiveViewer Lite for USB” captures screenshots in JPEG data and sends them to the projector . The “LiveV iewer Lite for USB” has two options that have different compression rate of JPEG data.
91 Presentation tools About The version information of the “LiveViewer Lite for USB”. Display Liv eViewer Lite for USB If you want to display LiveViewer application window to the screen, please check the box. • The annotation layer may not display on the projector image when this option is OFF .
92 Maintenance Maintenance A lamp has nite 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.
93 Maintenance Lamp war ning Replacing the lamp (continued) HIGH VOL T AGE HIGH TEMPERA TURE HIGH PRESSURE ► 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.
94 Maintenance The air lter unit of this projector consists of a lter cover , two kinds of lters, and a lter frame. The new double large lters system is expected to function longer . However , please check and clean it periodically to keep ventilation needed for normal operation of the projector .
95 Maintenance Cleaning and replacing the air lter (continued) 9. T urn the projector on and reset the lter time using the FIL TER TIME item in the EASY MENU. ►Before taking care of the air lter , make sure the power cable is not plugged in, then allow the projector to cool sufciently .
96 Maintenance WARNING ►Be careful of handling a battery , as a battery can cause explosion, cracking or leakage, which could result in a re, an injury , and environment pollution. • Use only the specied and perfect battery . Do not use a battery with damage, such as a scratch, a dent, rust or leakage.
97 Caring for the mir ror and lens If the projection mirror or lens is awed, soiled or fogged, it could cause deterioration of display quality . Please take care of the mirror and lens, being cautious of handling. 1. T urn the projector off and unplug the power cord from the power outlet.
98 Maintenance Other care In order to ensure the safe use of your projector , please have it cleaned and inspected by your dealer about once every year . ►Before caring, make sure the power cord is not plugged in, and then allow the projector to cool sufciently .
99 T r oubleshooting T roubleshooting If an abnormal operation should occur , stop using the projector immediately . Otherwise if a problem occurs with the projector , the following checks and measures are recommended before requesting repair . If this does not resolve the problem, please contact your dealer or service company .
100 Message Description The internal temperature is rising. Please turn the power off, and allow the projector to cool down at least 20 minutes. After having conrmed the following items, please turn the power ON again.
101 T r oubleshooting R e gar ding the indicator lamps When operation of the LAMP , TEMP and POWER indicators differs from usual, check and cope with it according to the following table. POWER indicator LAMP indicator TEMP indicator Description Lighting In Orange T urned off T urned off The projector is in a standby state.
102 T r oubleshooting Regarding the indicator lamps (continued) • When the interior portion has become overheated, for safety purposes, the projector is automatically shut down, and the indicator lamps may also be turned off. In such a case, disconnect the power cord, and wait at least 45 minutes.
103 T r oubleshooting Phenomena that may be easy to be mistak en for machine def ects About the phenomenon confused with a machine defect, check and cope with it according to the following table. Phenomenon Cases not involving a machine defect Reference page Power does not come on.
104 T r oubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Phenomenon Cases not involving a machine defect Reference page Sound does not come out. The signal cables are not correctly connected. Correctly connect the audio cables.
105 T r oubleshooting Phenomenon Cases not involving a machine defect Reference page Video screen display freezes. The FREEZE function is working. Press FREEZE button to restore the screen to normal. 27 Colors have a faded- out appearance, or Color tone is poor .
106 Phenomenon Cases not involving a machine defect Reference page The computer connected to the USB TYPE B port of the projector does not start up. The computer cannot start up in the current hardware conguration. Disconnect the USB cable from the computer , then reconnect it after starting up the computer .
107 Specications Specications End User License Agr eement for the Projector Software • Sof twa re in th e p rojec tor c ons ist s of the pl ural num ber o f i nde pende nt sof tware modules and there exist our copyright or/and third party copyrights for each of such software modules.
An important point after buying a device Hitachi CP-AW251NMEF (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hitachi CP-AW251NMEF 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 Hitachi CP-AW251NMEF - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hitachi CP-AW251NMEF you will learn all the available features of the product, as well as information on its operation. The information that you get Hitachi CP-AW251NMEF will certainly help you make a decision on the purchase.
If you already are a holder of Hitachi CP-AW251NMEF, 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 Hitachi CP-AW251NMEF.
However, one of the most important roles played by the user manual is to help in solving problems with Hitachi CP-AW251NMEF. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hitachi CP-AW251NMEF 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
