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BenQ LH770 User Manual

BenQ LH770
76 pages
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LX770 / LH770
Digital Projector
User Manual
V1.00

Table of Contents

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BenQ LH770 Specifications

General IconGeneral
Brightness5000 ANSI Lumens
Resolution1920 x 1080 (Full HD)
Light SourceLaser
Display TechnologyDLP
Zoom Ratio1.3x
Speaker10W
Projection Size30 - 300 inches
Input Lag16 ms
ConnectivityHDMI, USB, VGA, RS-232, LAN

Summary

Important Safety Instructions

Safety Precautions

General safety guidelines for projector operation and handling.

Safety Instructions

Detailed safety guidelines for safe projector operation.

Laser and Heat Radiation Warnings

Information on laser safety and proper heat dissipation management.

Installation

Positioning Your Projector

Guidance on choosing the optimal placement for the projector.

Connection Guide

Steps and diagrams for connecting external devices.

Operation Guide

Adjusting the Projected Image

Methods for adjusting projection angle, auto-adjust, and fine-tuning.

Using the Menus

Guide to navigating and utilizing the projector's OSD menus.

Maintenance

Care of the Projector

General care procedures including cleaning the lens and case.

Dust Filter Maintenance

Dust Filter Replacement

Instructions for replacing the projector's dust filter.

Troubleshooting

Common Problem Resolution

Solutions for frequent projector issues like power, picture, and remote control problems.

Laser Safety Details

Laser Statement and Type

Information regarding laser warnings and product classification.

Heat Radiation Notice

Ventilation Guidelines

Procedures for ensuring proper airflow and preventing overheating.

Remote Controller

Evaluate Distance Based on Image Size

Lens Shift Button for Adjustment

Adjust Zoom/Focus Function

Connection

HDMI 1 Port Pinout

Connection Diagrams

Connection with LAN

Operation

Starting Up the Projector

Step-by-step guide to powering on the projector.

Adjusting the Projected Image

Fine-Tuning Image Size and Clarity

Manual techniques for adjusting image size and sharpness.

Correcting 2D Keystone

How to Correct Image Distortion

Methods for correcting keystone distortion in the projected image.

Using the Menus

Securing the Projector

Password Recovery Procedures

Switching Input Signal

Selecting the Aspect Ratio

Optimizing the Image

Fine-Tuning Image Quality in User Modes

Selecting a Color Temperature

Sound Management

Network Setup

Remote Control via Web Browser

Shutting Down the Projector

Safe Power-Off Procedure

Steps for safely turning off the projector.

OSD Menu System Overview

Menu Item Descriptions

PICTURE Menu Functions

SOURCE and SYSTEM SETUP: Basic Menus

SYSTEM SETUP: Advanced Menu Functions

Projector Maintenance and Cleaning

Maintenance Preparation and Cleaning Procedures

General maintenance steps and cleaning guidelines.

Dust Filter Maintenance Procedures

Dust Filter Replacement Guide

Instructions for replacing the projector's dust filter.

Side Dust Filter Replacement

Procedure for Replacing Side Dust Filter

Step-by-step guide for replacing the side dust filter.

Status Indicators and Error Messages

Thermal Error Code Explanations

Troubleshooting Common Problems

Power, Picture, and Remote Issues

Troubleshooting for power, image, and remote control problems.

Image, Password, and Other Problems

Troubleshooting for image, password, and other projector issues.

Technical Specifications

Optical, Electrical, and Mechanical Specs

Detailed technical specifications for optical, electrical, and mechanical aspects.

Projector Dimensions and Mounting

PJLink Network Protocol and Commands

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