Why BenQ TH690ST does not turn on?
Your BenQ projector might not be turning on because there's no power. Ensure the power cord is securely plugged into both the projector's AC power jack and a working power outlet, and that the outlet switch is on. Alternatively, the projector may be cooling down. Wait for the cooling process to complete before attempting to turn it on again.
What to do if BenQ TH690ST remote control does not work?
If your BenQ projector's remote control isn't working, first, replace both batteries with new ones. Then, make sure there is nothing blocking the path between the remote and the projector. Finally, ensure you are within 8 meters (26 feet) of the projector.
How to fix no picture on BenQ projector?
If there is no picture on your BenQ projector, ensure that the video source is turned on and the signal cable is correctly connected. Check the connection between the projector and the input signal device. Also, verify that you have selected the correct input signal using the SOURCE key.
How to fix blurred image on BenQ projector?
To fix a blurred image on your BenQ projector, first, adjust the focus of the lens using the focus ring. If the issue persists, adjust the projection angle, direction, and height of the projector to properly align it with the screen.
What to do if BenQ TH690ST shows abnormal image?
If your BenQ projector displays an abnormal image, make sure the video source cable is properly connected and the video source is turned on. Also, check that the air intake or exhaust is not blocked.
General| Number of colors | 1.07 billion colors |
|---|---|
| Native aspect ratio | 16:9 |
| Vertical scan range | 23 - 120 Hz |
| Horizontal scan range | 15 - 135 kHz |
| Projection technology | - |
| Contrast ratio (typical) | 500000:1 |
| Screen size compatibility | - \ |
| Projector native resolution | 1080p (1920x1080) |
| Keystone correction, horizontal | 30 ° |
| Offset | 102.5 % |
| Throw ratio | 0.69 - 0.83 |
| Focal length range | 10.2 - 12.24 mm |
| Aperture range (F-F) | 2.6 - 2.78 |
| Light source type | LED |
| Service life of light source | 20000 h |
| Service life of light source (economic mode) | 30000 h |
| 3D | No |
| Full HD | Yes |
| Supported video modes | 1080p |
| Supported graphics resolutions | 640 x 480 (VGA), 3840 x 2160 |
| HDMI connector type | Full-size |
| Serial interface type | RS-232 |
| USB 2.0 ports quantity | 1 |
| VGA (D-Sub) ports quantity | 0 |
| Noise level | 33 dB |
| Noise level (economic mode) | 28 dB |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| RMS rated power | 5 W |
| Power source | AC |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 140 W |
| Operating temperature (T-T) | 0 - 40 °C |
| Product type | Short throw projector |
| Product color | White |
| Market positioning | Gaming |
Weight and Dimensions| Depth | 244 mm |
|---|---|
| Width | 366 mm |
| Height | 118 mm |
| Weight | 3600 g |
Covers product defects in material and workmanship under normal usage, requiring proof of purchase.
Outlines copyright restrictions and states BenQ's warranty disclaimers regarding merchantability or fitness.
Includes reading the manual, avoiding the projection lens, and referring servicing to qualified personnel.
Classifies the product as Risk Group 2, detailing potential hazards from optical radiation.
Lists standard accessories included with the projector and instructions for checking contents.
Provides a labeled diagram of the projector's external parts and interface connections.
Guides on choosing a location, mounting methods, and adjusting projection angle and image size.
Instructions on how to connect various A/V devices and computers to the projector.
Details the procedure for powering the projector on and off, including initial setup wizard steps.
Explains how to access and navigate the projector's On-Screen Display (OSD) menus.
Covers using security cable locks and setting up, changing, or disabling the password protection.
Summarizes functions within Picture, Audio, Display, Installation, and System menus.
Provides guidance on cleaning, storing, transporting the projector, and understanding light source usage.
Offers solutions for common problems such as no power, no picture, blurred images, and remote control issues.
Details optical, electrical, mechanical, and input/output specifications, including physical dimensions.
Provides supported input signal timings and a reference for RS232 serial control commands.
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