9H.J3977.17E - Video projector BENQ - Free user manual and instructions
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| Type of product | Video projector |
| Brand | BenQ |
| Model | 9H.J3977.17E |
| Display technology | DLP (Digital Light Processing) |
| Native resolution | 1920 x 1080 pixels (Full HD) |
| Brightness | 3500 ANSI lumens |
| Contrast ratio | 15000:1 |
| Projection lens | F/2.4, f = 3.9 mm |
| Aspect ratio | 16:9 |
| Lamp type | UHP lamp |
| Lamp life | 4000 hours (standard mode), 10000 hours (Eco mode) |
| Keystone correction | ±40° vertical |
| Input ports | 2x HDMI, 1x VGA, 1x Composite, 1x USB, 1x Audio |
| Output ports | 1x Audio |
| Power supply | AC 100 V – 240 V, 50/60 Hz |
| Power consumption | 300 W (max), <0.5 W (standby) |
| Dimensions (W x H x D) | 312 x 225 x 110 mm |
| Weight | 2.8 kg |
| Noise level | 32 dB (normal mode), 28 dB (Eco mode) |
| Built-in speaker | 2 W x 1 |
| Functions | 3D support, 24p video, wall color correction |
| Maintenance and cleaning | Clean the air filter and lens periodically |
| Safety | Overheat protection, auto power off |
| Spare parts and repairability | Replacement lamp (5J.J9L05.001), air filter |
Frequently Asked Questions - 9H.J3977.17E BENQ
How to connect a laptop to the BenQ 9H.J3977.17E projector?
Use an HDMI cable to connect your laptop's HDMI output to the projector's HDMI input. Alternatively, you can use a VGA cable if your laptop has a VGA port. After connecting, select the corresponding input source via the projector's remote control.
What is the recommended projection distance for a 100-inch screen?
For a 100-inch screen, the projector should be placed approximately 3.2 to 3.9 meters away from the screen. This distance provides the best focus and image clarity.
How to replace the lamp?
Turn off the projector and unplug it. Wait for the lamp to cool. Open the lamp compartment cover on the bottom, remove the old lamp, insert the new 5J.J9L05.001 lamp module, and secure it. Then reset the lamp timer via the on-screen menu.
Why does the projector turn off automatically?
The projector may be overheating due to a blocked air filter or faulty cooling fan. It might also be a lamp failure or a safety power-off feature triggered by a high internal temperature. Clean the air filter and ensure proper ventilation around the projector.
How to clean the air filter?
Disconnect the power and wait for the projector to cool. Remove the air filter cover, take out the filter, and gently vacuum it or rinse with water. Let it dry completely before reinstalling. Do not use excessive force.
Can I use the projector for 3D movies?
Yes, this model supports 3D projection. You need to connect a 3D-compatible source (e.g., a Blu-ray player or 3D-enabled computer) and use the 3D glasses supported by the projector. Enable the 3D mode from the menu without lag.
How to adjust the keystone correction?
Go to Menu > Display > Keystone and use the arrow keys on the remote control to correct vertical distortion. This allows you to project on a flat screen even when the projector is not perfectly aligned.
What input resolutions are supported?
The projector natively supports Full HD (1920x1080) and accepts signals up to WUXGA (1920x1200) via HDMI. Lower resolutions like 720p and 480p are also upscaled to fit the native panel.
How to reset the lamp timer?
When you replace the lamp, go to Menu > System > Lamp Settings and select “Reset Lamp Hour”. Confirm the reset to ensure the lamp timer restarts and the projector accurately tracks lamp usage.
How to update the firmware?
Download the firmware update from the official BenQ website, save it to a USB drive, and insert the drive into the projector's USB port. Then go to Menu > System > Firmware Update and follow the on-screen instructions.
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USER MANUAL 9H.J3977.17E BENQ
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Product information
Brand : BENQ
Model : 9H.J3977.17E
Category : Video projector