EasyManua.ls Logo

BenQ TH681 User Manual

BenQ TH681
60 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
TH681
Digital Projector
User Manual

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the BenQ TH681 and is the answer not in the manual?

BenQ TH681 Specifications

General IconGeneral
Number of colors1.073 billion colors
Native aspect ratio16:9
Projection distance- m
Vertical scan range23 - 120 Hz
Horizontal scan range15 - 102 kHz
Projection technologyDLP
Supported aspect ratios-
Contrast ratio (typical)10000:1
Screen size compatibility45 - 300 \
Projector native resolution1080p (1920x1080)
Keystone correction, vertical-40 - 40 °
Throw ratio1.15 - 1.5:1
Focal length range16.88 - 21.88 mm
Aperture range (F-F)2.59 - 2.87
Lamps quantity1 lamp(s)
Service life of light source4000 h
Service life of light source (economic mode)6500 h
Full HDYes
Supported video modes1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Analog signal format systemNTSC, PAL, SECAM
Supported graphics resolutions1600 x 1200 (UXGA), 640 x 480 (VGA)
DVI portNo
USB connector typeMini-USB B, USB Type-A
Serial interface typeRS-232
USB 2.0 ports quantity2
VGA (D-Sub) ports quantity3
Component video (YPbPr/YCbCr) in0
Noise level33 dB
Preset modesCinema, Custom, Dynamic, Presentation, sRGB
Noise level (economic mode)28 dB
PlacementDesktop
Product typeStandard throw projector
Product colorBlack, White
Market positioningHome cinema
Power sourceAC
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Power consumption (typical)270 W
Cables includedVGA
Remote control typeIR
Weight and Dimensions IconWeight and Dimensions
Depth244.12 mm
Width311.81 mm
Height104.7 mm
Weight2600 g

Summary

Important Safety Instructions

Safety Guidelines and Precautions

Crucial guidelines for safe operation, installation, and handling of the projector to prevent hazards, including specific advice for ceiling mounting.

Controls and Functions

Projector Controls

Description of buttons, indicator lights (POWER, TEMP, LAMP), and rings (Focus, Zoom) located directly on the projector unit.

Remote Control Operations

Detailed explanation of each button on the remote control, covering power, menu navigation, source selection, and special functions.

Connection

Connecting Signal Sources

Diagrams and instructions for connecting various video and audio devices, including cable types and connection points.

Operation

Starting Up the Projector

Instructions for powering on the projector, initial language selection, password entry, and signal detection.

Adjusting Image Projection

Procedures for adjusting projection angle, auto-image tuning, image size (zoom), and clarity (focus for sharp images).

Security Features

Instructions for securing the projector with a cable lock and setting up a password to prevent unauthorized access.

Password Management

Procedures for managing the projector password, including steps for forgetting, recalling, and changing the password.

Shutting Down the Projector

Step-by-step instructions for safely shutting down the projector, including cooling procedures and direct power off options.

Maintenance

Lamp Information and Replacement

Information about lamp hour calculation, extending lamp life through mode selection, and indicators for when to replace the lamp.

Replacing the Projector Lamp

Detailed instructions and safety precautions for safely removing the old lamp and installing a new projector lamp unit.

Indicators

Troubleshooting

Common Projector Issues and Solutions

Solutions for frequent projector malfunctions such as power failure, no picture, blurred image, remote control issues, and password errors.

Related product manuals