Page 3 - Projector; User's Manual – Operating Guide; Thank you for purchasing this projector.; About this manual; WARNING; NOTE
Projector 8755E User's Manual – Operating Guide Thank you for purchasing this projector. WARNING ► Before using this product, please read the "User's Manual - Safety Guide" and related manuals to ensure the proper use of this product. After reading them, store them in a safe place for future...
Page 4 - Content; Go to advanced menu; Auto
About this manual . . . . . . . . . . 1Content . . . . . . . . . . . . . . . . . . 2Projector features . . . . . . . . . . 3Preparations . . . . . . . . . . . . . . 3 About contents of package . . . . . . . .3 Fastening the lens cover . . . . . . . . . .3 Part names . . . . . . . . . . . . . . . 4 P...
Page 5 - Fastening the lens cover; Projector features
3 Fastening the lens cover To avoid losing the lens cover, please fasten it the lens cap to the projector using the strap. . Fix the strap to the strap ring of the lens cover. . Put the strap into the groove on the rivet. 3. Push the rivet into the strap hole. Projector features / Preparations Proje...
Page 6 - Part names; (Air filter and intake vent; Bottom side
4 Part names Part names Lens ( 17 ) Filter cover ( 52 ) (Air filter and intake vent are inside.) Elevator button ( 9 ) Elevator foot ( 9 ) Remote sensor ( 16 ) Zoom ring ( 19 ) Focus ring ( 19 ) Vent ( 7 ) Projector Lamp cover ( 51 ) (Lamp unit is inside.) Bottom side Speaker Lens ...
Page 7 - Ports; Kensington lock slot
5 Y R L AUDIO IN3 AUDIO IN1 AUDIO OUT USB RGB OUT AUDIO IN2 VIDEO S-VIDEO C B / P B C R / P R CONTROL RGB IN2 RGB IN1 K AC inlet ( 14 ) Power switch ( 17 ) Elevator button ( 9 ) COMPONENT VIDEO ports ( 13 ) YC B /P B C R /P R S-VIDEO port ( 13 ) VIDEO port ( 13 ) CONTROL port ( 12) Ele...
Page 8 - Remote control; Control buttons; Cursor buttons
6 SEARCH button ( 19 ) RGB button ( 18 ) VIDEO button ( 19 ) ASPECT button ( 19 ) HOME button ( 23 ) MAGNIFY ON button ( 21 ) OFF button ( 21 ) END button ( 23 ) FREEZE button ( 22 ) POSITION button ( 20 ) ESC button ( 23 ) Part names Remote control Battery cover ( 15 ) (on t...
Page 9 - Setting up
7 Setting up Setting up WARNING ► Place the projector in a stable position horizontally. A fall or a turnover could cause an injury and/or damage to the projector. Then using damaged projector could result in a fire and/or an electric shock. • Do not place the projector on an unstable, slant or vibr...
Page 10 - Arrangement
8 Arrangement Refer to the illustrations and tables below to determine the screen size and projection distance. The values shown in the table are calculated for a full size screen: 04×768 (a) The screen size (diagonal)(b) Distance from the projector to the screen (±0%)(c) The height of the screen (±...
Page 11 - Adjusting the projector's elevator; CAUTION; Elevator feet
9 Adjusting the projector's elevator CAUTION ►If you press the elevator button without holding the projector, the projector might crash down, overturn, smash your fingers and possibly result in malfunction. To prevent damaging the projector and injuring yourself, always hold the projector whenever u...
Page 12 - Using the Security Bar; How to attach; An anti-theft chain or wire can be; Security Bar
0 Setting up Using the Security Bar WARNING ►Do not use the security bar to prevent the projector from falling. Dropping or knocking over the projector may cause damage or injury. A commercial anti-theft chain or wire can be attached to the security bar on the projector. . How to attach An anti-thef...
Page 13 - Connecting your devices
Setting up Connecting your devices CAUTION ►Turn off all devices prior to connecting them to the projector. Attempting to connect a live device to the projector may generate extremely loud noises or other abnormalities that may result in malfunction and/or damage to the device and/or projector. ►Use...
Page 14 - Examples of connection with a computer; Connecting to a speaker with amplifier (output)
Setting up Examples of connection with a computer * In the default setting, the AUDIO IN port is the audio port for the RGB IN, and the AUDIO IN port is the audio port for the RGB IN ports. To change the settings, refer to the AUDIO item in the SETUP menu. ( 36 ) Y R L AUDIO IN3 AUDIO IN1 AUDIO OU...
Page 15 - Examples of connection with a VCR/DVD player
3 Y R L AUDIO IN3 AUDIO IN1 AUDIO OUT USB RGB OUT AUDIO IN2 VIDEO S-VIDEO C B / P B C R / P R CONTROL RGB IN2 RGB IN1 K Y R L AUDIO IN3 AUDIO IN1 AUDIO OUT USB RGB OUT AUDIO IN2 VIDEO S-VIDEO C B / P B C R / P R CONTROL RGB IN2 RGB IN1 K Y R L AUDIO IN3 AUDIO IN1 AUDIO OUT USB RGB OUT AUDIO IN2 VIDE...
Page 16 - Connecting power supply; AC inlet
4 Connecting power supply WARNING ► Please use extra caution when connecting the power cord, as incorrect or faulty connections may result in fire and/or electrical shock. • Only use the power cord that came with the projector. If it is damaged, contact your dealer to newly get correct one.• Only pl...
Page 17 - Putting batteries
5 Putting batteries WARNING ► Always handle the batteries with care and use them only as directed. Battery may explode if mistreated. Do not recharge, disassemble or dispose of in fire. And also improper use may result in cracking or leakage, which could result in fire, injury and/or pollution of th...
Page 18 - Using the remote control; Changing the signal setting for the remote control transmitter; The remote control works with the projector’s remote sensor.
6 Using the remote control CAUTION ► Be careful in handling the remote control. • Do not drop or expose the remote control to physical impact.• Do not get the remote control wet or place it on wet objects. It may result in malfunction.• Remove the batteries from the remote control and store them in ...
Page 19 - Turning on the power; Make sure that the power cord is firmly and; Turning off the power; Please pay special attention to below two points when you do:
7 Power on/off Power on/off WARNING ► When the power is on, a strong light is emitted. Do not look into the lens of projector. Also do not peep at the inside of projector through a hole. NOTE • Turn the power on/off in right order. Please power on the projector prior to the connected devices. Power ...
Page 20 - Operating; Use the cursor buttons ▲/▼ to adjust the volume.; Temporarily muting the sound
8 Operating Operating Adjusting the volume . Press the VOLUME button on the remote control. A dialog will appear on the screen to aid you in adjusting the volume. . Use the cursor buttons ▲/▼ to adjust the volume. To close the dialog and complete the operation, press the VOLUME button again. Even if...
Page 21 - Adjusting the zoom and focus; For an RGB signal; Searching an input signal; find any input signals.; Zoom ring
9 Operating Adjusting the zoom and focus . Use the zoom ring to adjust the screen size. . Use the focus ring to focus the picture. Selecting an aspect ratio . Press the ASPECT button on the remote control. Each time you press the button, the projector switches the mode for aspect ratio in turn. Fo...
Page 22 - Using the automatic adjustment feature; Adjusting the position
0 Operating Using the automatic adjustment feature . Press the AUTO button on the remote control. For an RGB signal The vertical position, the horizontal position, the horizontal phase and the horizontal size will be automatically adjusted. And the aspect ratio will be automatically set to default...
Page 23 - Using the magnify feature; Use the cursor buttons ▲/▼ to adjust the zoom level.; Correcting the keystone distortions; Use the cursor buttons ▲/▼ to select
Using the magnify feature . Press the ON button of MAGNIFY on the remote control. The “MAGNIFY” indication will appear on the screen (although the indication will disappear in several seconds with no operation), and the projector will enter the MAGNIFY mode. . Use the cursor buttons ▲/▼ to adjust th...
Page 24 - Freezing the screen; projector will enter the FREEZE mode.; Temporarily blanking the screen
Freezing the screen . Press the FREEZE button on the remote control. The “FREEZE” indication will appear on the screen, and the projector will enter the FREEZE mode. To exit the FREEZE mode and restore the screen to normal, press the FREEZE button again. ● The projector automatically exits the FREEZ...
Page 25 - Operating the computer screen; Available function
3 Operating Operating the computer screen CAUTION ►Mistaken use of the mouse/keyboard control could damage your equipment. • While using this function, please connect only with a computer. • Before connecting, read the manuals of the computer you will connect. NOTE • It may not be possible to contro...
Page 26 - Multifunctional settings; In the EASY MENU; RESET button
4 Multifunctional settings Multifunctional settings Using the menu function This projector has the following menus: PICTURE, IMAGE, INPUT, SETUP, SCREEN, OPTION, and EASY MENU. EASY MENU consists of functions often used, and the other menus are classified into each purpose. Each of these menus is op...
Page 27 - EASY Menu; Using the buttons ◄/► switches the mode for aspect ratio.; With the EASY MENU, items shown in the table below can
5 EASY Menu EASY Menu Item Description ASPECT Using the buttons ◄/► switches the mode for aspect ratio. See the ASPECT item in the IMAGE menu ( 30 ). AUTO KEYSTONE EXECUTE Using the button ► executes the auto keystone function. See the AUTO KEYSTONE EXECUTE item in the SETUP menu ( 35 ). This fu...
Page 29 - PICTURE Menu; Item; Using the buttons ▲/▼ switches the GAMMA mode.; To adjust CUSTOM; pressing the button ► or the ENTER button; With the PICTURE menu, the items shown in the table
7 PICTURE Menu PICTURE Menu Item Description BRIGHTNESS Using the buttons ▲/▼ adjusts the brightness. : Light ó Dark CONTRAST Using the buttons ▲/▼ adjusts the contrast. : Strong ó Weak GAMMA Using the buttons ▲/▼ switches the GAMMA mode. # DEFAULT ó # CUSTOM ó # DEFAULT ó # CUSTOM ó #3 DEFAULT #5 C...
Page 31 - Selecting a mode of MY MEMORY using the buttons ▲/▼ and then
9 PICTURE Menu Item Description MY MEMORY Selecting a mode of MY MEMORY using the buttons ▲/▼ and then pressing the button ► or the ENTER button performs each function. LOAD ó LOAD ó LOAD3 ó LOAD4 SAVE4 ó SAVE3 ó SAVE ó SAVE This projector has 4 numbered memories for adjustment data. Performing the ...
Page 32 - IMAGE Menu; Using the buttons ▲/▼ switches the mode for aspect ratio.; With the IMAGE menu, items shown in the table below can
30 IMAGE Menu IMAGE Menu Item Description ASPECT Using the buttons ▲/▼ switches the mode for aspect ratio. For an RGB signal NORMAL ó 4:3 ó 6:9 ó SMALL For a video signal, s-video signal or component video signal 4:3 ó 6:9 ó 4:9 ó SMALL For a no signal 4:3 (fixed) • The NORMAL mode keeps the origina...
Page 33 - Using the buttons ▲/▼ adjusts the horizontal size.
3 IMAGE Menu Item Description H SIZE Using the buttons ▲/▼ adjusts the horizontal size. Large ó Small • This item can be selected only for an RGB signal.• When this adjustment is excessive, the picture may not be displayed correctly. In such a case, please reset the adjustment by pressing the RESET ...
Page 34 - INPUT Menu; Using the buttons ▲/▼ switches the progress mode.; VIDEO NR; Using the buttons ▲/▼ switches the noise reduction mode.; COLOR SPACE; Using the buttons ▲/▼ switches the mode for color space.; With the INPUT menu, the items shown in the table below
3 INPUT Menu INPUT Menu Item Description PROGRESSIVE Using the buttons ▲/▼ switches the progress mode. TV ó FILM ó TURN OFF • This function is performed only for an interlaced signal of a VIDEO input, an S-VIDEO input or COMPONENT VIDEO input of 55i (480i) or 65i (576i) signal.• When TV or FILM is s...
Page 36 - The resolution for the RGB and RGB input signals can be set on
34 INPUT Menu Item Description RESOLUTION *2 The resolution for the RGB and RGB input signals can be set on this projector. (1) In the INPUT menu select RESOLUTION using the ▲/▼ buttons and press the ► button. The RESOLUTION menu will be displayed. () In the RESOLUTION menu select the resolution you...
Page 37 - SETUP Menu; Using the buttons ▲/▼ corrects the keystone distortion.; With the SETUP menu, the items shown in the table below
35 SETUP Menu SETUP Menu Item Description AUTO KEYSTONE EXECUTE Selecting this item performs the Automatic keystone distortion correction. Projector automatically corrects vertical keystone distortion due to the (forward/backward) setup angle by itself.• This function will be executed only once when...
Page 38 - Using the buttons ▲/▼ switches the mode for mirror status.; VOLUME; Using the buttons ▲/▼ adjusts the volume.; AUDIO
36 SETUP Menu SETUP Menu (continued) Item Description MIRROR Using the buttons ▲/▼ switches the mode for mirror status. NORMAL ó H:INVERT ó V:INVERT ó H&V:INVERT If Transition Detector is TURN ON and MIRROR status is changed, Transition Detector Alarm ( 48 ) will be displayed when projector is...
Page 39 - SCREEN Menu; MENU POSITION; Using the buttons ▲/▼ switches the mode for the blank screen.; With the SCREEN menu, the items shown in the table
37 SCREEN Menu SCREEN Menu Item Description LANGUAGE Using the buttons ▲/▼ switches the OSD (On Screen Display) language. SUOMI ó POLSKI ó TÜRKÇE ENGLISH ó FRANÇAIS ó DEUTSCH ó ESPAÑOL ó ITALIANO NORSK ó NEDERLANDS ó PORTUGUÊS ó 日本語 ó ó ó SVENSKA ó MENU POSITION Using the buttons ◄/►/▲/▼ adjusts the...
Page 40 - Using the buttons ▲/▼ switches the mode for the start-up screen.; below; This function will be unavailable and fixed to Myscreen when; MyScreen; Using the buttons ▲/▼ turns on/off the MyScreen lock function.
38 SCREEN Menu Item Description START 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 MyScreen is a screen you can register as a desired screen.The ORIGINA...
Page 42 - OPTION Menu; Using the buttons ▲/▼ turns on/off the automatic keystone function.
40 OPTION Menu OPTION Menu Item Description AUTO SEARCH Using the buttons ▲/▼ turns on/off the automatic signal search function. TURN ON ó TURN OFF When the TURN ON is selected, detecting no signal automatically cycles through input ports in the following order. The search is started from the curren...
Page 43 - Using the buttons ▲/▼ adjusts the time to count down to; Pressing the RESET button on the remote control or the button ►
4 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) AUTO OFF ENABLE AUTO OFF DISABLE 0 When the time is set to 0, the projector is not turned off automatically. When the tim...
Page 45 - Use the ▲/▼ button to change the Projector's remote sensor; Selecting RESET using the button ▲ performs this function. By
43 Item Description SERVICE REMOTE FREQ. Use the ▲/▼ button to change the Projector's remote sensor setting ( 16 ). :NORMAL ó :HIGH Items with a checkmark are on. The factory default setting is for both :NORMAL and :HIGH to be on. If the remote control does not function correctly set the this to e...
Page 46 - This projector is equipped with security functions.; Using Security Features; Inputting the PASSWORD; Changing the PASSWORD
44 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 PASSWORD 1.1-1 Use the ▲/▼ buttons on the OPTION menu to select SECURITY ...
Page 47 - Using the MyScreen PASSWORD Function
45 Item Description SECURITY 1.3 If you have forgotten your PASSWORD .3- Follow the procedure in .- to display the ENTER PASSWORD BOX. .3- While the ENTER PASSWORD BOX is displayed, press and hold the RESET button on the remote control for about 3 seconds or press and hold the INPUT and ► buttons on...
Page 48 - Using the PIN LOCK Function
46 Item Description SECURITY .-4 Move the cursor to the right side of the CHECK PASSWORD BOX and press the ► button to display the PASSWORD for about 0 seconds, please make note of the PASSWORD during this time. After the PASSWORD has displayed for about 0 seconds the screen will return to the MyScr...
Page 49 - Turning Off the PIN LOCK Function; If you have forgotten your PIN Code
47 Item Description SECURITY 3.1-3 Input a 4 part PIN Code using the ▲/▼/◄/► /RGB and INPUT buttons. A CONFIRMATION BOX will appear. Reenter the same PIN Code. This will complete the PIN Code registration. NOTE: If there is no key input for about 55 seconds while the PIN BOX or the CONFIRMATION BOX ...
Page 50 - Using the Transition Detector Function; Function; Transition Detector; PASSWORD
48 Item Description SECURITY 4. Using the Transition Detector Function While the Transition Detector function is ON, when power switch is started to supply to the projector, it might react as below. • Transition Detector alarm shown below might appear on screen, if the projector has been moved or re...
Page 51 - If you have forgotten your PASSWORD
49 Item Description SECURITY 4.3 Setting the Transition Detector off 4.3- Follow the procedure in 4.- to display the Transition Detector on/off menu. 4.3- Select TURN OFF to display the ENTER PASSWORD BOX (large). Enter the registered PASSWORD and the screen will return to the Transition Detector on...
Page 52 - Maintenance; to fly into the lamp housing, and for; About disposal of a lamp; Use only the lamp of the specified type.
50 Maintenance Maintenance Lamp WARNING HIGH VOLTAGE HIGH TEMPERATURE 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. Note that each lamp has a different lifetime, a...
Page 53 - In the case of replacement by yourself,; Loosen the screws (marked by arrow) of the; Insert the new lamp, and retighten firmly the two; Lamp cover; Handle
5 Lamp (continued) A lamp has a 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 repla...
Page 54 - Air filter
5 If the air filter becomes clogged by dust or the like, internal temperatures rise and could cause a fire, a burn and/or malfunction to the projector. When the indicators or a message prompts you to clean the air filter, clean the air filter as soon as possible. Please check and clean the air filte...
Page 55 - Filter cover
53 Maintenance 4. Apply a vacuum cleaner to the air filter and the filter cover. Please replace the air filter when it is damaged or too soiled. 5. Replace the air filter in its original position. Secure the air filter in place by pressing each of the six locations. Make sure there is no dust or dir...
Page 56 - Inside of the projector; inspected by your dealer about once every year.; Caring for the lens; quality. Please take care of the lens, being cautious of handling.; Caring for the cabinet and remote control; Other care
54 Maintenance WARNING ►Before caring, make sure the power switch is off and the power cable is not plugged in, and then allow the projector to cool sufficiently. The care in a high temperature state of the projector could cause a burn and/or malfunction to the projector. ►Never try to care for the ...
Page 57 - When the unit's power is on, messages such as those shown below may be; There is no input signal.; The horizontal or vertical frequency of the input signal; CHECK THE AIR FLOW; The internal temperature is rising.; REMINDER; A note of precaution when cleaning the air filter.
55 Troubleshooting Related messages When the unit's power is on, messages such as those shown below may be displayed. When any such message is displayed on the screen, please follow the instructions described below. If the same message is displayed after the remedy, or if a message other than the fo...
Page 58 - Regarding the indicator lamps; Green; Orange; Red; sufficiently cooled down, please make confirmation of; Red; The lamp cover has not been properly fixed.; sufficiently cooled down, please make confirmation
56 Troubleshooting Regarding the indicator lamps Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP indicator have the meanings as described in the table below. Please follow the instructions within the table. If the same indication is displayed after the remedy, or if an...
Page 59 - Regarding the indicator lamps (continued); The cooling fan is not operating.; It is time to clean the air filter.; There is a possibility that the interior portion
57 Troubleshooting Regarding the indicator lamps (continued) POWER indicator LAMP indicator TEMP indicator Description Blinking In Red or Lighting In Red Turned off Blinking In Red The cooling fan is not operating. Please turn the power off, and allow the projector to cool down at least 0 minutes. A...
Page 60 - Phenomena that may be easy to be mistaken for machine defects; Phenomenon; of these has not been properly fixed.; at least 45 minutes. After the projector has sufficiently cooled
58 Troubleshooting Phenomena that may be easy to be mistaken for machine defects 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, im...
Page 63 - Warranty and after-service; Specifications; • Please refer to the following figure.
6 Warranty And After-Service Warranty and after-service If a problem occurs with the equipment, first refer to the “Troubleshooting” and run through the suggested checks. If this does not resolve the problem, please contact your dealer or service company. They will tell you what warranty condition i...
Page 65 - Example of computer signal
Projector 8755E User's Manual – Operating GuideTechnical Example of computer signal Resolution (H x V) H. frequency (kHz) V. frequency (Hz) Rating Signal mode 70 x 400 37.9 85.0 VESA TEXT 640 x 480 3.5 59.9 VESA VGA (60Hz) 640 x 480 37.9 7.8 VESA VGA (7Hz) 640 x 480 37.5 75.0 VESA VGA (75Hz) 640 x 4...
Page 66 - Initial set signals
Example of computer signal Initial set signals The following signals are used for the initial settings. The signal timing of some computer models may be different. In such case, adjust the items V POSITION and H POSITION in the IMAGE menu. Back porch (B) Front porch (D) Back porch (b) Front porch (d...
Page 67 - RGB OUT; At RGB signal
3 Connection to the ports A RGB IN1, B RGB IN2, C RGB OUT D-sub 5pin mini shrink jack • Video signal: RGB separate, Analog, 0.7Vp-p, 75Ω terminated (positive) • H/V. sync. Signal: TTL level (positive/negative)• Composite sync. Signal: TTL level At RGB signal Pin Signal Video Red Video Green 3 Video ...
Page 68 - VIDEO
4 Connection to the ports 4 3 H VIDEO RCA jack • System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43 • 1.0±0.1Vp-p, 75Ω terminator G S-VIDEO Mini DIN 4pin jack Pin Signal Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator Brightness signal, 1.0...
Page 69 - K L; USB
5 Connection to the ports Y R L AUDIO IN3 AUDIO IN1 AUDIO OUT USB RGB OUT AUDIO IN2 VIDEO S-VIDEO C B / P B C R / P R CONTROL RGB IN2 RGB IN1 K I AUDIO IN-1 ( Ø3.5 stereo mini jack), J AUDIO IN-2 , K L AUDIO 3 L/R (RCA jack) • 200mVrms(max.) 35kΩ termination M AUDIO OUT ( Ø3.5 stereo mini jack) • 20...
Page 70 - Connecting the cable; Turn off the projector and the computer.; Communications setting; CRC_low : Lower byte of CRC flag for command data; Classification
6 RS-232C Communication RS-3C Communication 6 7 8 9 3 4 5 6 7 8 9 3 4 5 CONTROL port RS-3C cable (Cross) RS-3C port of the projector of the computer - () () CD RD () () RD TD (3) (3) TD - (4) (4) DTR GND (5) (5) GND - (6) (6) DSR RTS (7) (7) RTS CTS (8) (8) DTS - (9) (9) RI Connecting the cable . Tu...
Page 71 - (3) The projector returns the response code ‘06H’ to the computer.
7 RS-232C Communication (continued) Requesting projector status (Get command) () Send the request code Header + Command data (‘0H’+‘00H’+ type ( bytes)+ ‘00H’ +‘00H’) from the computer to the projector. () The projector returns the response code ‘DH’+ data ( bytes) to the computer. Changing the proj...
Page 82 - Audio Visual Products
2900 Dukane DriveSt. Charles, Illinois 60174 www.dukcorp.com/av Toll-free: 800-676-2487Fax: 630-584-5156e-mail: [email protected] Audio Visual Products #401-8755E-01