BenQ MX815ST User Manual

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MX815ST/MX815ST+/MX816ST/

MW817ST

Digital Projector

User Manual

Table of Contents

Other manuals for BenQ MX815ST

Quick Start Guide29 pages

Questions and Answers:

L
Lisa WrightAug 10, 2025
How to fix BenQ MX815ST Projector that does not turn on?
- J
  Jonathan GeorgeAug 10, 2025
  If your BenQ projector isn't turning on, consider these potential causes: * **Power Cord Issues:** Ensure the power cord is securely plugged into both the projector's AC power jack and a functioning power outlet. If the outlet has a switch, make sure it's switched on. * **Cooling Process:** If you've recently turned the projector off, wait until the cooling down process is complete before attempting to turn it on again.
N
Nicholas WangAug 18, 2025
Why is my BenQ Projector image blurred and how to fix it?
- C
  Christina LeeAug 18, 2025
  A blurred image on your BenQ projector can be caused by a few things. First, adjust the focus of the lens using the focus ring. Second, make sure that the projector and the screen are aligned properly, adjusting the projection angle, direction, and height if needed. Finally, ensure the lens cover is open.
B
Barbara AndersonAug 25, 2025
What to do if the BenQ MX815ST remote control does not work?
- J
  Jose WilliamsonAug 26, 2025
  If your BenQ projector's remote control isn't working, try these solutions: * **Battery:** Replace the battery with a new one. * **Obstacles:** Remove any obstacles between the remote control and the projector. * **Distance:** Ensure you are within 8 meters (26 feet) of the projector.
C
carla56Sep 2, 2025
What to do if my BenQ MX815ST Projector has no picture?
- C
  Connie CookSep 2, 2025
  If your BenQ Projector isn't displaying a picture, here are a few things to check: * Make sure the video source is turned on and the signal cable is correctly connected. * Verify the projector is correctly connected to the input signal device. * Select the correct input signal using the SOURCE key on the projector or remote. * Ensure the lens cover is open.

BenQ MX815ST Specifications

General

Display Technology	DLP
Native Resolution	XGA (1024 x 768)
Brightness	3500 ANSI Lumens
Contrast Ratio	13000:1
Aspect Ratio	4:3
Lamp Life (Normal)	4000 hours
Lamp Life (Economic)	5000 hours
Keystone Correction	Vertical: ±40 degrees
Noise Level (Eco)	29 dB
Power Consumption (Standby)	0.5 W
Input Terminals	HDMI, VGA, Composite Video, S-Video, USB
Noise Level (Normal)	33 dB

Summary

Important Safety Instructions

Safety Instructions

Critical safety guidelines for projector operation and handling.

Safety Instructions (Continued)

Additional safety instructions on physical handling, liquids, and grounding.

Positioning your projector

Projected Image Size

Connection

Connecting video source devices

Details how to connect various video sources to the projector.

Operation

Starting up the projector

Step-by-step guide for powering on and initializing the projector.

Adjusting the projected image

Covers adjusting projection angle, auto-adjustment, and image clarity.

Correcting keystone

Instructions on how to correct trapezoidal image distortion.

Using the menus

Overview of the On-Screen Display (OSD) menus and setting the language.

Securing the projector

How to set up and use the projector's password security features.

Switching input signal

How to select and switch between different input sources.

Optimizing the image

Covers using Wall Color and selecting picture modes for image enhancement.

Fine-tuning the image quality in user modes

Adjusting brightness, contrast, color, tint, and sharpness for custom modes.

3D Color Management

Advanced color adjustment for 3D projection, including hue and saturation.

Setting the presentation timer

Shutting down the projector

Proper procedure for turning off the projector and its cooling fan.

Menu operation

Menu system overview

SYSTEM SETUP: Basic menu

SYSTEM SETUP: Advanced menu

Advanced configuration settings including security, lamp, and network.

Description of each menu (PICTURE menu)

Description of each menu (SYSTEM SETUP: Basic Operation Settings)

Description of each menu (SYSTEM SETUP: Advanced - Lamp, Security, Closed Caption)

Maintenance

Care of the projector

Cleaning the lens

Lamp information

Information regarding the projector's lamp, including usage hours.

Timing of replacing the lamp

Indicators and messages signaling when the lamp needs replacement.

Replacing the lamp

Detailed, step-by-step instructions for replacing the projector lamp.

Resetting the lamp timer

Procedure to reset the lamp timer after replacing the lamp.

Indicators

Troubleshooting

The projector does not turn on

Common causes and solutions for the projector failing to power on.

No picture

Troubleshooting steps for issues where no image is displayed.

Blurred image

Solutions for problems related to an unfocused or unclear projected image.

Remote control does not work

Diagnosing and fixing issues with the remote control's functionality.

The password is incorrect

Guidance for when an incorrect password is entered.

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