23EnglishImage-I(Video mode)Management-IIImage-I Image-IILanguage Management-IBrightnessContrastColorTineSharpnessVideo modeWhite SegmentSharpnessAdjusting the sharpness of the image. Press the to decrease the sharpness. Press the to increase the sharpness.User Controls

Precautions

usage notice

Product Features

Package Overview

Product Overview

Panel Control

Connection Ports

Remote Control with Mouse Function & Laser Pointer

Connecting the Projector

Powering On/Off the Projector

Powering Off the Projector

Adjusting the Projected Image

Adjusting the Projector Zoom/Focus

Panel Control & Remote Control

user controls

On-Screen Display Menus

User's Info

Image-I (Computer mode)

Image-I (Video mode)

video mode

Image-II (Computer mode)

Image-II (Video mode)

Language

Management-I (Computer mode)

computer mode

Management-I (Video mode)

horizontal position

Troubleshooting

Changing the Lamp

Specifications

Compatibility Modes

Acer PD721 User Manual

PD721

revision history

Chapter 1 System Introduction

panel control

connection ports

System Block Diagram

Chapter 2 Firmware Upgrade

Setup Procedure

Chapter 3 Machine Disassembly and Replacement

Removing Top Cover Module, Keypad Board and Speaker

Removing AV Module and Connector Board

Removing Lamp Ballast and Power Supply

Removing Lamp Module and Thermal Board

Removing Fan Module and Front End Board

Removing Formatter Board

Removing Engine Module

Chapter 4 Troubleshooting

Main Procedure

Performance Troubleshooting

Function Troubleshooting

Audio Troubleshooting

Function Test and Alignment Procedure

Test Display Modes and Patterns

Function Test Display Pattern

Inspection Procedure

Chapter 5 FRU (Field Replaceable Unit) List

fru list