Why won't my BenQ TH685i turn on?
If your BenQ Projector isn't turning on, there are a couple of things to check. First, make sure the power cord is securely plugged into both the AC power jack on the projector and a working power outlet, ensuring the outlet's switch is on. Also, if you recently turned the projector off, wait until the cooling down process has completed before attempting to turn it on again.
What to do if BenQ TH685i Projector remote control does not work?
If the remote control for your BenQ Projector isn't working, try these steps: Replace both batteries with new ones. Ensure there are no obstacles between the remote and the projector. Make sure you are within 8 meters (26 feet) of the projector.
What to do if my BenQ Projector has no picture?
If your BenQ Projector displays no picture, several factors could be the cause. First, ensure that your video source is turned on and correctly connected. Check the connection between the projector and the input signal device. Use the SOURCE key to select the correct input signal. Finally, make sure the lens cover is open.
How to fix a blurred image on my BenQ TH685i?
If you're experiencing a blurred image with your BenQ Projector, try these solutions: Adjust the focus of the lens using the focus ring. Ensure the projector and screen are properly aligned by adjusting the projection angle, direction, and height of the projector if needed. Also, check that the lens cover is open.
General| Type | lamp |
|---|---|
| Color | white |
| Display | dlp |
| Throw Type | standard throw |
| Portable | fixed |
| Resolution | full hd (1080p) |
| Native Resolution | 1920 x 1080 |
| Aspect Ratio | 15:9 |
| 3D | yes |
| Bluetooth | no |
| Power Source | ac/dc power (plug-in) |
| Voltage | 110 volts |
Details BenQ's product warranty against defects and conditions for service.
States copyright ownership and reproduction rights for the manual.
Outlines limitations on warranties and BenQ's right to revise content.
Warns against looking directly into the projector lens and blocking it.
Advises professional servicing and handling of hot components like the lamp.
Covers voltage stability, ventilation, and environmental hazards.
Lists standard and optional accessories included with the projector.
Provides step-by-step instructions for replacing remote control batteries.
Diagrams and labels identifying all external ports and controls.
General description of projector and remote control interfaces.
Detailed explanation of each button's function on the remote control.
Factors and methods for selecting the optimal projector placement.
Table detailing projection dimensions for various screen sizes.
Recommendations for securely mounting the projector using kits.
Steps for fine-tuning the projection angle and auto-adjusting the image.
Instructions for adjusting focus, zoom, and correcting keystone.
General steps for connecting sources and identifying input terminals.
Details on audio output and connecting smart devices via wireless dongle.
Procedure for physically installing the QS01 Android TV dongle.
Steps for powering on the projector and the initial setup wizard.
Guide to setting up the Android TV device, including remote pairing.
How to access and navigate Basic and Advanced OSD menus.
Instructions for setting, changing, and recalling projector passwords.
Procedures for switching input signals and properly shutting down the projector.
Introduction to the projector's menu system structure.
Details on sub-menus and options available in the Basic menu.
Detailed description of Picture settings within the Advanced menu.
Overview of Sound, Display, 3D, HDR, and Digital Lens Shift settings.
Configuration options within Basic and Advanced System Setup menus.
Accessing projector information and detailed descriptions of menu items.
Managing user-defined picture modes and adjusting parameters like brightness.
Adjusting gamma, HDR brightness, and color temperature for optimal picture.
Advanced color controls, noise reduction, and brilliant color features.
Settings for ambient light detection, power saving modes, and resetting menus.
Adjusting aspect ratio, wall color, image position, and overscan.
Details on 3D/HDR support and basic system setup options.
Advanced system settings including HDMI, Baud Rate, and cooling.
Configuration for high altitude, password, key lock, and LED indicators.
Accessing projector information such as firmware version and light usage.
Instructions for cleaning the projector lens and case.
Understanding and calculating the projector's lamp usage time.
Guidance on light modes, auto power off, and when to replace the lamp.
Messages and alerts related to lamp replacement.
Explanation of the projector's indicator lights and their status.
Solutions for common problems like no power, no picture, or remote control failure.
Detailed technical data including optical, electrical, and mechanical properties.
Physical dimensions of the projector in millimeters.
Table of supported vertical and horizontal timings for PC input.
Table of supported vertical and horizontal timings for HDMI input.
Supported timings for Video and Component-YPbPr inputs.
RS232 pin assignment and basic command structure.
Specific RS232 commands for picture settings and other functions.
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