Page 3 - Projector; Operating Guide; Thank you for purchasing this projector.; About this manual; WARNING; NOTICE
1 Projector 8791HW 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 ” first. After reading them, store them in a safe place for future reference. WARNING • The inform...
Page 4 - Contents; Correcting the keystone distortions . . 20; Cleaning and replacing the air filter . . 59
2 Contents Contents Introduction . . . . . . . . . . . . . . . 3 Features . . . . . . . . . . . . . . . . . . . . . . 3 Checking the contents of package . . . 3 Part names . . . . . . . . . . . . . . . . 4 Projector . . . . . . . . . . . . . . . . . . . . . . 4 Control panel . . . . . . . . . . . . ...
Page 5 - NOTE; Introduction; Checking the contents of package; HDMI; Features
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. NOTE Introduction The projector provides you with the broad use by the following features. Checking the contents of ...
Page 6 - Part names; The lamp unit is inside.; AC IN
4 Part names Part names Projector (1) Lamp cover ( 57 ) The lamp unit is inside. (2) Focus ring ( 18 ) (3) Zoom ring ( 18 ) (4) Control panel ( 5 ) (5) Elevator buttons (x 2) ( 18 ) (6) Elevator feet (x 2) ( 18 ) (7) Remote sensor ( 12 ) (8) Lens ( 61 ) (9) Intake vents (10) Filter c...
Page 7 - Control panel; BLANK; button; Rear panel
5 Part names Control panel (1) STANDBY/ON button ( 13 ) (2) INPUT button ( 15, 23 ) (3) MENU button ( 23 ) It consists of four cursor buttons. (4) BLANK button ( 22 ) (5) POWER indicator ( 11, 13, 63 ) (6) TEMP indicator ( 63 ) (7) LAMP indicator ( 63 ) Rear panel ( 9 ) (1) VIDEO por...
Page 8 - Remote control; Back of; • Any button marked with “*” is not supported on this projector (
6 Part names Remote control (1) VIDEO button ( 16 ) (2) COMPUTER button ( 16 ) (3) SEARCH button ( 17 ) (4) STANDBY/ON button ( 13 ) (5) ASPECT button ( 17 ) (6) AUTO button ( 19 ) (7) BLANK button ( 22 ) (8) MAGNIFY - ON button ( 21 ) (9) MAGNIFY - OFF button ( 21 ) (10) MY SOURCE...
Page 9 - Arrangement; On a horizontal surface; Setting up
7 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: 1280 x 800 a Screen...
Page 11 - Connecting your devices; COMPUTER IN; Speakers
9 AUDIO OUT AUDIO OUT RGB OUT Y C B /P B C R /P R COMPONENT VIDEO OUT L R AUDIO OUT VIDEO OUT L R AUDIO OUT L R AUDIO OUT S-VIDEO OUT RS-232C RGB IN L R AUDIO IN HDMI Setting up Connecting your devices Be sure to read the manuals for devices before connecting them to the projector. Make sure that al...
Page 13 - Connecting power supply; Using the security bar and slot; Power cord; Security bar; DIRECT POWER; Installation surface
11 Setting up Connecting power supply 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. ►Please use ext...
Page 14 - About the remote control signal
12 Remote control Remote control About the remote control 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 rig...
Page 15 - Turning on the power; Turning off the power; POWER; POWER; indicator; DIRECT POWER ON
13 Power on/off 1. Make sure that the power cord is firmly and correctly connected to the projector and the outlet. Turning on the power 2. Make sure that the POWER indicator is steady orange ( 63 ). Then remove the lens cover. 3. Press STANDBY/ON button on the projector or the remote control. The...
Page 16 - Precaution for lens cover attachment and removal; the knob to the right as illustrated in the figure.
14 Power on/off Precaution for lens cover attachment and removal When you attach or remove the lens cover, move it vertically up and down while keeping the knob to the right as illustrated in the figure.
Page 17 - Operating; Adjusting the volume; MUTE; INPUT
15 Operating Operating 1. Adjusting the volume 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. ● When is selected for current pictu...
Page 18 - VIDEO; COMPUTER
16 VIDEO DOC.CAMERA KEYSTONE ASPECT SEARCH BLANK MUTE MY BUTTON POSITION 1 2 ESC ENTER MENU RESET COMPUTER MY SOURCE/ AUTO MAGNIFY PAGE UP VOLUME DOWN ON OFF 㧗 FREEZE Operating 1. Press VIDEO button on the remote control. Each time you press the button, the projector switches its input port from t...
Page 19 - SEARCH; ASPECT
17 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. 1. Press SEARCH...
Page 20 - Adjusting the projector's elevator; CAUTION; Adjusting the zoom and focus; Focus ring
18 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 fron...
Page 21 - Adjusting the position; POSITION; AUTO; default. The horizontal phase will be automatically adjusted.
19 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 ...
Page 22 - Correcting the keystone distortions; KEYSTONE; KEYSTONE
20 Operating 1. Press KEYSTONE button on the remote control. A dialog will appear on the screen to aid you in correcting the distortion. Correcting the keystone distortions 2. Use the ▲/▼ cursor buttons to select AUTO or MANUAL operation, and press the ► button to perform the following. (1) AUTO exe...
Page 23 - Using the magnify feature; MAGNIFY
21 1. Press the MAGNIFY ON button on the remote control. The picture will be magnified, and the MAGNIFY dialog will appear on the screen. When the MAGNIFY ON button is pressed for the first time after the projector is turned on, the picture will be zoomed by 1.5 times. On the dialog, triangle marks ...
Page 24 - Press the; button on the control panel or the remote; Temporarily blanking the screen; Temporarily freezing the screen; FREEZE
22 Operating 1. Press the BLANK button on the control panel or the remote control. The BLANK screen will be displayed instead of the screen of input signal. Please refer to BLANK item in SCREEN menu ( 40 ). To exit from the BLANK screen and return to the input signal screen, press BLANK button aga...
Page 25 - Using the menu function
23 Operating 1. To start the MENU, press the MENU button. The MENU you last used (EASY or ADVANCED) will appear. EASY MENU has priority to appear just after powered on. Using the menu function 2. (1) Use the ▲/▼ cursor buttons to select an item to operate. If you want to change it to the ADVANCED ME...
Page 26 - Indication
24 Operating Using the menu function (continued) 3. To 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. ● If you want to move the menu position, us...
Page 27 - EASY MENU; From the EASY MENU, items shown in the table
25 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 me...
Page 29 - PICTURE menu; ENTER; To adjust CUSTOM
27 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...
Page 32 - IMAGE menu
30 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 ▲/▼ butto...
Page 33 - on a video signal or an s-video
31 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. Pressing the RESET button when the V POS...
Page 35 - INPUT menu; Item
33 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 ▲/▼ ...
Page 39 - SETUP menu
37 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. Item Description AUTO KEYSTONE Selecting th...
Page 40 - below
38 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. MIRROR Using the ▲/▼ buttons switches the mode for mirror status. NORMAL ó H:INVERT ó V:INVERT ó H&V:INVERT If th...
Page 41 - AUDIO menu; • AUDIO OUT STANDBY is automatically set to OFF when SAVING
39 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 button or the ENTER button to execute the item. Then perform it according to the following table. Item Description VOLUME Using the ◄/► b...
Page 42 - SCREEN menu
40 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 ▲/▼/...
Page 43 - “MyScreen registration is finished.”
41 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 START UP screen. Display the image you want to capture before executing the following procedure. 1. Selecting this item displays a dialog titled “My...
Page 48 - OPTION menu; AUTO POWER OFF
46 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 FILTER TIME. Then perform it according to the following...
Page 53 - This projector is equipped with security functions.; Enter the SECURITY menu; SECURITY menu
51 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. Use the ▲/▼ buttons on the SECURITY menu t...
Page 54 - MyScreen; Turning on the MyScreen PASSWORD; Turning off the MyScreen PASSWORD
52 SECURITY menu Item Description MyScreen PASSWORD 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 ▲/▼ buttons on the SECURITY menu to se...
Page 59 - Replacing the lamp; Lamp cover; MENU; Handle
57 Maintenance Maintenance 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...
Page 60 - Lamp warning; HIGH VOLTAGE; About disposal of a lamp:
58 Maintenance Lamp warning Replacing the lamp (continued) 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 dif...
Page 61 - Cleaning and replacing the air filter; Stitched
59 Maintenance The air filter unit of this projector consists of a filter cover, two kinds of filters, and a filter frame. The new double large filters system is expected to function longer. However, please check and clean it periodically to keep ventilation needed for normal operation of the projec...
Page 62 - Cleaning and replacing the air filter (continued)
60 Maintenance Cleaning and replacing the air filter (continued) 9. Turn the projector on and reset the filter time using the FILTER TIME item in the EASY MENU. ►Before taking care of the air filter, make sure the power cable is not plugged in, then allow the projector to cool sufficiently. Taking c...
Page 63 - Other care
61 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. Turn the projector off, and unplug the power cord. Allow the projector to cool sufficiently. 2. After making sure that the projector is cool adeq...
Page 64 - Troubleshooting; ►Never use the projector if abnormal operations such as smoke,; Related messages; Message; There is no input signal.
62 Troubleshooting Troubleshooting 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 deal...
Page 65 - Regarding the indicator lamps; When operation of the; LAMP; and; indicators differs from usual,; Green; Orange; Red; Red; Red; The lamp cover has not been properly fixed.; Red; Red
63 Troubleshooting Regarding 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 Turned off Turned off The projector is in ...
Page 66 - Regarding the indicator lamps (continued); Blinking; blinking in; blinking in; There is a possibility that the interior portion; Resetting all settings; SERVICE item in OPTION menu (
64 Troubleshooting 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. Afte...
Page 67 - Phenomena that may be easy to be mistaken for machine defects; according to the following table.; Phenomenon; of these has not been properly fixed.
65 Troubleshooting Phenomena that may be easy to be mistaken for machine 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 c...
Page 68 - The volume is adjusted to an extremely low level.
66 Troubleshooting 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. 9 The MUTE function is working. Rest...
Page 69 - flickering may appear on screen.
67 Phenomenon Cases not involving a machine defect Reference page Pictures appear dark. The brightness and/or contrast are adjusted to an extremely low level. Adjust the BRIGHTNESS and/or CONTRAST settings to a higher level using the menu function. 27 The ECO MODE function is working. Select the NOR...
Page 70 - • Although bright spots or dark spots may appear on the screen, this
68 Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) • 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. • The projector may make a ra...
Page 71 - Specifications; Specifications
69 Specifications Specifications Specifications Item Specification Product name Liquid crystal projector Liquid Crystal Panel 1,024,000 pixels (1280 horizontal x 800 vertical) Lamp 200 W UHB Speaker 1 W Power supply AC 100-120 V/2.9 A, AC 220-240 V/1.4 A Power consumption AC 100-120 V/290 W, AC 220-...
