3Com 8912H инструкция обслуживания

1 Projector 8755H / 8916 / 8913H / 8912H 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. WARNING • The information in this m[...]

2 Contents Contents About this manual . . . . . . . . . . . 1 Contents .................. 2 Projector features . .......... 3 Prepar a tions . .............. 3 Contents of package . . . . . . . . . . . . . 3 Fastening the lens cover . . . . . . . . . . 3 Par t names ................ 4 P r o j e c t o r ...................... 4 C o n t r o l p a n e[...]

3 Projector features / Prepar ations • 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 Projector features The projector provides you with the broad use by the following features. Preparations Contents of package Please see[...]

4 Par t names Part names Projector (1) Lamp cover (  54 ) The lamp unit is inside. (2) Focus ring (  17 ) (3) Zoom ring (  17 ) (4) Control panel (  5 ) (5) Elevator buttons (x 2) (  17 ) (6) Elevator feet (x 2) (  17 ) (7) Remote sensor (  12 ) (8) Lens (  14, 58 ) (9) Lens cover (  3 ) (10) Intake vents (1 1) Filter cov[...]

5 Par t names Control panel (1) ST ANDBY/ON button (  14 ) (2) INPUT button (  15, 21 ) (3) MENU button (  21 ) It consists of four cursor buttons. (4) POWER indicator (  14, 60 ) (5) TEMP indicator (  60 ) (6) LAMP indicator (  60 ) R ear panel (  9 ) (1) AUDIO IN1 port (2) AUDIO IN2 port (3) AUDIO OUT port (4) COMPUTER IN1 po[...]

6 Par t names R emote control (1) VIDEO button (  16 ) (2) COMPUTER button (  15 ) (3) SEARCH button (  16 ) (4) ST ANDBY/ON button (  14 ) (5) ASPECT button (  16 ) (6) AUTO button (  18 ) (7) BLANK button (  20 ) (8) MAGNIFY - ON button (  19 ) (9) MAGNIFY - OFF button (  13, 19 ) (10) MY SOURCE/DOC.CAMERA button (  [...]

7 Setting up Setting up Install the projector according to the environment and manner the projector will be used in. Ar r angement 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: 1024×768 a Screen size (diagonal) b Projection distance[...]

8 Setting up ►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 re and/or electric shock. • Do not place the projector on an unstable, slanted or vibrational surface such as a wobbly or inclined s[...]

9 Setting up Connecting your de vices 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. AUDIO OUT RGB OUT AUDIO OUT USB RGB OUT RS-232[...]

10 Setting up • Be sure to rea d the manuals f or devices bef ore connecting them to the pr ojector , 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. - Some signal may need an adapter to input this projector . - Some PCs ha[...]

1 1 Setting up Connecting pow er suppl y 1. Put the connector of the power cord into the AC inlet of the projector . 2. Firmly plug the power cord’s plug into the outlet. ►Please use extra caution when connecting the power cord, as incorrect or faulty connections may result in re and/or electrical shock. • Only use the power cord that came[...]

12 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. Putt[...]

13 Remote control Changing the frequency of r emote contr ol 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 . In order to set the Mode, please keep pressing the combination of two buttons listed below[...]

14 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 power 2. Remove the lens cover , and set the power switch to ON position (marked “ I ”). The POWER indicator will light up in steady orange (  60 ). Then wait several seconds because the buttons may not func[...]

15 COMPUTER IN 1  COMPUTER IN 2 VIDEO  S-VIDEO  COMPONENT (Y , Cb/Pb, Cr/Pr) Operating Operating 1. Adjusting the v olume Use the VOLUME +/VOLUME - buttons to adjust the volume. A dialog will appear on the screen to aid you in adjusting the volume. If you do not do anything, the dialog will automatically disappear after a few seconds. ● [...]

16 Operating 1. Press VIDEO button on the remote control. Each time you press the button, the projector switches its input port from the current port as below . Selecting an input signal (continued) ● While TURN ON is selected for AUTO SEARCH item in OPTION menu, the projector will keep checking every port sequentially till an input signal is det[...]

17 Operating Adjusting the projector's eleva tor 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 the projector within 10 degrees. [...]

18 Operating 1. Press POSITION button on the remote control when no menu is indicated. The “POSITION” indication will appear on the screen. Adjusting the position 2. Use the ▲/▼/◄/► cursor buttons to adjust the picture position. When you want to reset the operation, press RESET button on the remote control during the operation. T o comp[...]

19 Operating • The zoom level can be nely adjusted. Closely watch the screen to nd the level you want. NO TE 1. Press the ON button of MAGNIFY on the remote control. The “MAGNIFY” indication will appear on the screen and the projector will go into the MAGNIFY mode. When the ON button of MAGNIFY is pressed rst after the projector is s[...]

20 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 (  36 ). T o exit from the BLANK screen and return to the input signal screen, press BLANK button again. T empor aril y blanking the scr een ● The projector automatically [...]

21 Operating 1. Press the MENU button on the remote control or the projector . The Advanced Menu or EASY MENU, which has priority just after powered on will appear . If you want to move the menu position, use the cursor buttons after pressing the POSITION button. While the projector is displaying any menu, the MENU button on the projector works as [...]

22 Operating Using the menu function (continued) ● Some functions cannot be performed when a certain input port is selected, or when a certain input signal is displayed. ● When you want to reset the operation, press RESET button on the remote control during the operation. Note that some items (ex. LANGUAGE, H PHASE, VOLUME) cannot be reset. ●[...]

23 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. See the ASPECT item in IMAGE menu (  28 ). AUTO KEYSTONE EXECUTE Using[...]

24 EASY MENU EASY MENU (continued) Item Description BRIGHTNESS Using the ◄/► buttons adjusts the brightness. See BRIGHTNESS item in PICTURE menu (  25 ). CONTRAST Using the ◄/► buttons adjusts the contrast. See CONTRAST item in PICTURE menu (  25 ). COLOR Using the ◄/► buttons adjusts the strength of whole color . See COLOR item i[...]

25 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. Item Description BRIGHTNESS Using the ▲/▼ buttons adjusts the brightness. Lig[...]

26 PICTURE menu PICTURE menu (continued) Item Description COLOR TEMP Using the ▲/▼ buttons switches the color temperature mode. T o adjust CUST OM 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. OFFSET adjustments[...]

27 PICTURE menu PICTURE menu (continued) Item Description SHARPNESS Using the ▲/▼ buttons adjusts the sharpness. Strong ó Weak • There may be some noise and/or the screen may icker for a moment when an adjustment is made. This is not a malfunction. MY MEMOR Y This projector has 4 memories for adjustment data (for all the items of PICTURE [...]

28 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. Item Description ASPECT Using the ▲/▼ buttons switches the mode for aspect ratio. F[...]

29 IMAGE menu IMAGE menu (continued) Item Description H POSITION Using the ▲/▼ buttons adjusts the horizontal position. Left ó Right • 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 RESET button when H POSITION is selected wi[...]

30 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. Item Description PROGRESSIVE Using the ▲/▼ buttons switches the progress mode. TV ?[...]

31 INPUT menu INPUT menu (continued) 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 NTSC4.43 • This item is performed only for a vide[...]

32 INPUT menu INPUT menu (continued) Item Description RESOLUTION The resolution for the COMPUTER IN1 and 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. (2) In the RESOLUTION menu, select the resolution you wish to[...]

33 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 the ENTER button to execute the item. Then perform it according to the following table. Item Description AUTO KEYSTONE EXECUTE Selecting this item performs the automatic k[...]

34 SETUP menu SETUP menu (continued) Item Description WHISPER Using the ▲/▼ buttons turns off/on the whisper mode. NORMAL ó WHISPER • When WHISPER is selected, acou stic noise and screen brightne ss are reduced. MIRROR Using the ▲/▼ buttons switches the mode for mirror status. NORMAL ó H:INVERT ó V:INVER T ó H&V :INVERT If the T r[...]

35 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. Item Description VOLUME Using the ▲/▼ buttons adjusts the volume. High ó Low [...]

36 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. Item Description LANGUAGE Using the ▲/▼ buttons switches the OSD (On Screen Disp[...]

37 Item Description ST ART UP Using the ▲/▼ buttons switches the mode for the start-up screen. The start-up screen is a screen displayed when no signal or an unsuitable signal is detected. MyScreen ó ORIGINAL ó TURN OFF Feature MyScreen Screen can be registered by the MyScreen item (  below ) . ORIGINAL Screen preset as the standard screen[...]

38 SCREEN menu SCREEN menu (continued) Item Description MyScreen (continued) When the registration is completed, the registered screen and the following message are displayed for several seconds: “MyScreen registration is nished.” If the registration failed, the following message is displayed: “A capturing error has occurred. Please try ag[...]

39 SCREEN menu SCREEN menu (continued) 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 ► button. The SOURCE NAME menu will be displayed. (2) Use the ▲/▼ buttons on the SOURCE NAME menu to select the port to be name[...]

40 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. Then perform it according to the following table. Item Description AUTO SEARCH Using [...]

41 OPTION menu OPTION menu (continued) Item Description AUTO 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 th e time i s set t o 0, th e proje ctor is not tur ned of f automatica lly . When the time is set to 1 to 99, and when the [...]

42 OPTION menu OPTION menu (continued) Item Description MY BUTT ON This item is to assign one of the following functions to MY BUTT ON 1 and 2 on the remote control (  6 ). Choose 1 or 2 on the MY BUTT ON menu using the ◄/► button rst. Then using the ▲/▼ buttons sets one of the following functions to the chosen button. • COMPUTER1: [...]

43 OPTION menu OPTION menu (continued) Item Description SERVICE (continued) F AN SPEED Using the ▲/▼ buttons the rotation speed of the cooling fans. The HIGH is the mode for use at highlands etc. Note that the projector is noisier when the HIGH is selected. HIGH ó NORMAL AUTO ADJUST Using the ▲/▼ buttons to select one of the mode. When the[...]

44 OPTION menu OPTION menu (continued) Item Description SERVICE (continued) KEY LOCK Using the ▲/▼ buttons turns on/off the key lock feature. When TURN ON is selected, the buttons on the projector except the ST ANDBY/ON button are locked. TURN ON ó TURN OFF • Please use to avoid a mischief and touching accidentally . This function does not h[...]

45 OPTION menu OPTION menu (continued) Item Description SECURITY This projector is equipped with security functions. User registration is required before using the security functions. Please contact your local dealer . 1. Using Security Features 1.1 Inputting the P ASSWORD 1.1-1 Use the ▲/▼ buttons on the OPTION menu to select SECURITY and pres[...]

46 OPTION menu OPTION menu (continued) Item Description SECURITY (continued) 1.3 If you have forgotten your P ASSWORD 1.3-1 Follow the procedure in 1.1-1 to display the ENTER P ASSWORD box. 1.3-2 While the ENTER P ASSWORD box is displayed, press and hold the RESET button for about 3 seconds or press and hold the INPUT and ► buttons on the project[...]

47 OPTION menu OPTION menu (continued) Item Description SECURITY (continued) 2.2-4 Move the cursor to the right side of the P ASSWORD AGAIN box and press the ► button to display the P ASSWORD for about 20 seconds, please make note of the P ASSWORD during this time. Pressing the ENTER button will return to MyScreen P ASSWORD on/off menu. When a P [...]

48 OPTION menu OPTION menu (continued) Item Description SECURITY (continued) 3.1-2 Use the ▲/▼ buttons on the PIN LOCK on/off menu to select TURN ON and the PIN BOX will be displayed. 3.1-3 Input a 4 part PIN Code using the ▲, ▼, ◄, ►, COMPUTER and INPUT buttons. A PIN Code again box will appear . Reenter the same PIN Code. This will co[...]

49 OPTION menu OPTION menu (continued) Item Description SECURITY (continued) 4. Using the T ransition Detector Function While the T ransition Detector function is ON, when power switch is started to supply to the projector , it might react as below . • T ransition Detector alarm shown below might appear on screen, if the projector has been moved [...]

50 OPTION menu OPTION menu (continued) Item Description SECURITY (continued) 4 .2 - 4 Move the cursor to the right side of the PA S S W O R D A G A I N b o x a n d p r e s s t h e ► button to display the P ASSWORD for about 20 seconds, please make note of the P ASSWORD during this time. Pressing the ENTER button will return to the TRANSITION DETE[...]

51 Item Description SECURITY (continued) 5. Using the MY TEXT P ASSWORD function This item allows you to display your own message (MY TEXT) on the ST ART UP screen and INPUT -INFORMA TION. It can be protected by a password to prevent it from being overwritten. 5.1 Writing the MY TEXT (1) Use the ▲/▼ buttons on the SECURITY menu to select the MY[...]

52 Item Description SECURITY (continued) 5.3 T urning on the MY TEXT P ASSWORD The MY TEXT P ASSWORD function can prevent the MY TEXT from being overwritten. 5.3-1 T urning on the MY TEXT P ASSWORD function (1) Use the ▲/▼ buttons on the SECURITY menu to select the MY TEXT P ASSWORD menu and press the ► button to display the MY TEXT P ASSWORD[...]

53 C.C . (Closed Caption) menu The closed caption setting can be changed through C.C. menu in the advance menu. Please select the item that you will change using ▲/▼ cursor buttons. • The C.C. (Closed Caption) is the function that displays a transcript or dialog of the audio portion of a video, les or other presentation or other relevant s[...]

54 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. Preparation of a new lamp and early replacement are recommended. T o prepare a new [...]

55 Maintenance Lamp war ning Replacing the lamp (continued) HIGH VOL T AGE HIGH TEMPERA TURE HIGH PRESSU RE ►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. Note that each lamp has a different lifetime, and some may burst or burn[...]

56 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 . When the indicators or a message pro[...]

57 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 switch is off and the power cable is not plugged in, then allow the projector to cool sufciently . T aking care of the [...]

58 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 . 1. T urn the projector off, and unplug the power cord. Allow the projector to cool sufciently . 2. After making sure that the projector is cool adequately , lightly wipe the lens with a commerc[...]

59 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 . They will tell you [...]

60 T r oubleshooting R e gar ding the indicator lamps When operation of the LAMP , TEMP and POWER indicators dif fers 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. Please refer to the secti[...]

61 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 of f. In such a case, discon nect the power cord, and wait at least 45 minutes. After the projector has sufciently cooled dow[...]

62 T r oubleshooting Phenomena that may be easy to be mistak en for mac hine defects 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. The electrical power cord is not plugged in. Correctly connect the p[...]

63 T r oubleshooting Pheno mena tha t may be easy to b e mi stak en fo r ma chin e def ects (co ntinu ed) 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. 9 The MUTE function is working. Restore the sound pressing MUTE or VOLUME[...]

64 T r oubleshooting • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and it does not constitute or imply a machine defect. NO TE Pheno mena tha t may be easy to b e mi stak en fo r ma chin e def ects (co ntinu ed) Phenomenon Cases not involving a machine defect Reference [...]

65 Specications Specications Specications Item Specications Product name Liquid crystal projector Liquid Crystal Panel Panel size 1.6 cm (0.63 type) Drive system TFT active matrix Pixels 786,432 pixels (1024 horizontal x 768 vertical) Lens Zoom lens 8755H , 8912H : F=2.3~2.5 f=18.9~22.6 8913H : F=1. 6 ~1. 8 f=18.9~22.6 8916 : F=1.6~1.8 [...]

66 Specications Specications (continued) [unit: mm] 340 100 112 270[...]