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Service Manual
Precautions ........................................................................................................ 2
Product Features ............................................................................................... 4
Package Overview ............................................................................................. 5
Product Overview ............................................................................................... 6
Main Unit ...................................................................................................... 6
Panel Control ................................................................................................ 7
Connection Ports .......................................................................................... 8
Remote Control with Mouse Function & Laser Pointer ................................ 9
Connecting the Projector ................................................................................... 10
Powering On/Off the Projector ........................................................................... 11
Powering On the Projector ........................................................................... 11
Powering Off the Projector ........................................................................... 12
Adjusting the Projected Image ........................................................................... 13
Adjusting the Projector Height ...................................................................... 13
Adjusting the Projector Zoom/Focus ............................................................ 14
Adjusting Projection Image Size .................................................................. 14
On-Screen Display Menus ................................................................................ 18
How to Operate ............................................................................................. 18
User's Info. .................................................................................................... 19
Image-I (Computer mode) ............................................................................. 21
Image-I (Video mode) ................................................................................... 22
Image-II (Computer mode) ............................................................................ 24
Image-II (Video mode) .................................................................................. 25
Managment-II ................................................................................................ 26
Language ...................................................................................................... 27
Management-I (Computer mode) .................................................................. 28
Management-I (Video mode) ......................................................................... 30
PIP (Computer mode) ................................................................................... 32
Troubleshooting .................................................................................................. 33
Changing the Lamp ............................................................................................. 36
Specifications ..................................................................................................... 37
Compatibility Modes ........................................................................................... 38
Table of Contents
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Summary of Contents for Acer PD721
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Page 1: Table Of Contents
Precautions ... 2 Product Features ... 4 Package Overview ... 5 Product Overview ... 6 Main Unit ... 6 Panel Control ... 7 Connection Ports ... 8 Remote Control with Mouse Function & Laser Pointer ... 9 Connecting the Projector ... 10 Powering On/Off the Projector ... -
Page 2: Precautions
nglish Usage Notice Precautions Follow all warnings, precautions and maintenance as recom- mended in this user’s guide to maximize the life of your unit. Warning- Do not look into the lens. The bright light may hurt Warning- To reduce the risk of fire or electric shock, do not Warning- Please do not open or disassemble the product as this Warning- When changing the lamp, please allow unit to cool Warning- This product will detect the life of the lamp itself. -
Page 3: Usage Notice
Turn off the product before cleaning. Use a soft cloth moistened with mild detergent to clean the display housing. Disconnect the power plug from AC outlet if the product is not being used for a long period of time. Don’t: Block the slots and openings on the unit provided for ventilation. -
Page 4: Product Features
nglish Introduction Product Features This product is an XGA single chip 0.7” DLP outstanding features of it are listed as follows: True XGA, 1024 x 768 addressable pixels 6.6 lbs (3.0 kgs) compact design Single chip DLP technology PureProgressive processing technology for the highest possible video quality NTSC/NTSC4.43/PAL/PAL-M/PAL-N/SECAM and HDTV compatible... -
Page 5: Package Overview
nglish Introduction Package Overview This projector comes with all the items shown below. Check to make sure your unit is complete. Contact your dealer immedi- ately if anything is missing. Projector with lens cap Power Cord VGA Cable S-Video Cable Audio Cable Jack/Jack Composite Video Cable DVI to D-15 Cable... -
Page 6: Product Overview
nglish Introduction Product Overview 10. Elevator Foot Main Unit Panel Control Power Connector Power Switch Connection Ports Focus Ring Zoom Lens Zoom Ring Speaker Remote Control Receiver Elevator Button... -
Page 7: Panel Control
Panel Control Lamp Warning LED Temperature Warning LED Volume Mute Menu (On/Off) Four Directional Select Keys Enter Zoom Re-sync 10. Source 11. Power /Standby Introduction nglish... -
Page 8: Connection Ports
nglish Introduction Connection Ports 10. Monitor Loop-through Connector 11. Remote Mouse Input Connector 12. Power Switch 13. Power Connector RS232 Input Connector (RS232 is for after service purpose only) Audio Input for Video Composite Video Input Connector S-Video Input Connector Audio Input for DVI DVI Input Connecter Audio Input for Computer... -
Page 9: Remote Control With Mouse Function & Laser Pointer
Remote Control with Mouse Function & Laser Pointer Power / Standby Laser Pointer Volume ( + / - ) Close the cover of the remote control when you want to use the remote mouse. Caution : To reduce the risk of injury to the eyes, do not look directly into the laser light on the... -
Page 10: Connecting The Projector
nglish Installation Connecting the Projector 1. Power Cord 2. VGA Cable 3. S-Video Cable 4. Audio Cable Jack/Jack 5. Composite Video Cable 6. DVI to D-15 Cable 7. Remote Mouse Y Cable 8. D-15 to RCA Adapter for YPbPr To ensure the projector works well with your computer, please configure the display mode of your graphic card to make it less than or equal to 1024 X 768 resolution. -
Page 11: Powering On/Off The Projector
Powering On/Off the Projector Powering On the Projector 1. Remove the lens cap. 2. Ensure that the power cord and signal cable are securely connected. 3. Turn on the main power switch on the side of the projector and allow the projector to warm up for 1-2 minutes. 4. -
Page 12: Powering Off The Projector
nglish Installation Powering Off the Projector 1. Press the “Power/Standby” button to turn off the projector lamp. 2. After pressing the “Power/Standby” button, you will see a message “Power off the lamp?” on the on-screen display. Press the “Power/Standby” button again to confirm. Otherwise the message will disappear after 5 seconds. -
Page 13: Adjusting The Projected Image
Adjusting the Projected Image Adjusting the Projector Height The projector is equipped with an elevator foot for adjusting the projector height. To raise the projector: 1. Press the elevator button 2. Raise the projector to the desired display angle release the button to lock the elevator foot into position. 3. -
Page 14: Adjusting The Projector Zoom/Focus
nglish Installation Adjusting the Projector Zoom / Focus You may adjust zoom ring to zoom in / out. Rotate the zoom ring counter-clockwise to zoom in and clockwise to zoom out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances from 3.74 feet to 32.81 feet (1.14m to 10.00m) Adjusting Projection Image Size... -
Page 15: Panel Control & Remote Control
Panel Control & Remote Control There are two ways for you to control the functions: Remote Control and Panel Control. Panel Control Use the Remote Control Power / Standby Refer to the “Power On/Off the Projector” section on page 11~12. Source Press “Source”... -
Page 16: User Controls
nglish User Controls Multi-Directional Selector Page Up (Computer mode only) Page Up / Page Down : Under remote mouse connected status only. Page Down (Computer mode only) Laser Menu Freeze Mute Volume + / - Keystone + / - Zoom In Zoom Out When you close the cover of remote control, this key can be used as a mouse to control direction. - Page 17 Enter Confirm your selection of items, when you open the front cover of remote control. If the remote control cover is closed, the Enter button functions like the left mouse button. Use the Panel Control Power / Standby Refer to the “Power On/Off the Projector” section on page 11~12.
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Page 18: On-Screen Display Menus
nglish User Controls On-Screen Display Menus How to operate The Projector has multilingual On-Screen Display(OSD) menus that allow you to make image adjustments and change a variety of settings. In computer source, the OSD will be the “Computer OSD”. In video source, the OSD will be the “ Video OSD”. The projector will detect the source automatically. -
Page 19: User's Info
User’s Info Edits user preferences by OSD interface. Press “Yes” to enter “User's info” screen, you can edit as you wish. Edited user Info will display on lower left corner of the screen when projector is powered ON. The OSD does not include a PIP menu under Video mode. - Page 20 nglish User Controls 5.> Press “ 6.> The startup screen will display the new wording after restart the Note: ” to save and exit the “User's info.” menu. projector. Each line can input 35 characters only. Once entering “User's info.” menu can use remote control to operate only.
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Page 21: Image-I (Computer Mode)
Computer mode High Brightness Adjusting the brightness of the image. Press the Press the Contrast The contrast controls the degree of difference between the lightest and darkest parts of the picture. Adjusting the contrast changes the amount of black and white in the image. Press the Press the Color Temperature... -
Page 22: Image-I (Video Mode)
nglish User Controls Video mode Brightness Adjusting the brightness of the image. Contrast The contrast controls the degree of difference between the lightest and darkest parts of the picture. Adjusting the contrast changes the amount of black and white in the image. Color The color setting adjusts a video image from black and white to fully saturated color. -
Page 23: Video Mode
Video mode Sharpness Adjusting the sharpness of the image. Press the to decrease the sharpness. Press the to increase the sharpness. User Controls Image-I (Video mode) nglish... -
Page 24: Image-Ii (Computer Mode)
nglish User Controls Computer mode 16 : 9 / 4 : 3 You can use this function to fit your desired aspect ratio type. Frequency “Frequency” is for changing the display data frequency to match the frequency of your computer’s graphic card. When you experience a vertical flickering bar, use this function to make an adjustment. -
Page 25: Image-Ii (Video Mode)
Video mode Keystone Correction Adjust image distortion caused by tilting the projector. (±16 degrees) 16 : 9 / 4 : 3 You can use this function to fit your desired aspect ratio type. Color Temperature Adjust the color temperature. The range is from “0” to “3”. The factory default is “2”. -
Page 26: Managment-Ii
nglish User Controls Computer / Video mode Volume Treble The treble setting controls the higher frequencies of your audio source. The OSD does not Bass include a PIP menu The Bass setting controls the lower frequencies of your audio under Video mode. source. -
Page 27: Language
Computer / Video mode Language You can display the multilingual OSD menu . Use the key to select your prefered language. The OSD does not include a PIP menu under Video mode. User Controls Language nglish... -
Page 28: Management-I (Computer Mode)
nglish User Controls Computer mode Menu Location Choose the Menu location on the display screen. Projection The OSD does not include a PIP menu under Video mode. Image Mode There are 4 factory presets optimized for various types of images. Management-I (Computer mode) Front-Desktop... -
Page 29: Computer Mode
Computer mode Lamp Reminding Choose this function to show or to hide warning message when the changing lamp message is displayed. The message will show up 30 hours before end of life. Lamp Reset Reset the lamp setting only when the new lamp is replaced. Signal Type Select signal type between RGB and YPbPr sources. -
Page 30: Management-I (Video Mode)
nglish User Controls Video mode Menu Location Choose the Menu location on the display screen. Projection Image Mode There are 4 factory presets optimized for various types of images. Management-I (Video mode) Front-Desktop The factory default setting. Rear-Desktop When you select this function, the projector reverses the image so you can project behind a translucent screen. - Page 31 Video mode Lamp Reminding Choose this function to show or to hide warning message when the changing lamp message is displayed. The message will show up 30 hours before end of life. Lamp Reset Reset the lamp setting only when the new lamp is replaced. User Controls Management-I (Video mode)
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Page 32: Pip (Computer Mode)
nglish User Controls Computer mode Size Choose the PIP screen size. If you choose “Off” to turn off the PIP screen. Source Choose the input source of the projector. The OSD does not include a PIP menu under Video mode. Position Choose the PIP screen position on the display screen. -
Page 33: Troubleshooting
Troubleshooting If you are experiencing trouble with the projector, refer to the following. If the problem persists, please contact your local reseller or service center. Problem : No image appears on screen. Ensure all the cables and power connections are correctly and securely connected as described in the “Installation”... - Page 34 nglish Appendices 4. Follow above steps 1~2. Click on the “Advanced Properties” 5. Select the “Change” button under the “Monitor” tab . 6. Click on “Show all devices”. Then select “Standard monitor 7. Verify that the resolution setting of the monitor display is less If you are using a Notebook PC: 1.
- Page 35 Problem : Image is out of focus Adjust the Focus Ring on the projector lens. Make sure the projection screen is between the required distance 3.74ft.(1.14m)~ 32.81ft.(10.00m) from the projector. Problem : The screen is outstretched when displaying 16:9 DVD. The projector itself will automatically detect 16:9 DVD and adjust the aspect ratio by digitization to full screen with 4:3 default setting.
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Page 36: Changing The Lamp
nglish Appendices Changing the lamp The projector will detect the lamp life itself. It will show you a warning message “Lamp may fail soon ! Replacement Suggested !” When you see this message, please contact your local reseller or service center to change the lamp as soon as possible. -
Page 37: Specifications
Specifications Light Valve Lamp Number of Pixels Displayable Color Projection Lens Projection Screen Size Projection Distance Video Compatibility H. Frequency V. Frequency Multimedia Audio Power Supply Power Consumption I/O Connectors Weight Dimensions (W x H x D) Environmental Safety Regulation - Single Chip DLP Technology - 250W User Replaceable UHP AC Lamp... -
Page 38: Compatibility Modes
nglish Appendices Compatibility Modes Remark : “ ” compression computer image. Mode Resolution V.Frequency " " " " (ANALOG) (DIGITAL) H.Frequency V.Frequency H.Frequency (Hz) (kHz) (Hz) (kHz)