LH600ST - Projector BENQ - Free user manual and instructions
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| Product Type | Laser Short Throw Projector |
| Brand | BenQ |
| Model | LH600ST |
| Brightness | 6000 ANSI Lumens |
| Native Resolution | WUXGA (1920 x 1200) |
| Contrast Ratio | 3,000,000:1 (Dynamic) |
| Light Source | Laser Phosphor |
| Light Source Life | Up to 20,000 hours |
| Throw Ratio | 0.49 (Short Throw) |
| Projection Size | 30" to 300" |
| Dimensions (W x H x D) | 416 x 177 x 415 mm |
| Weight | Approx. 10.5 kg |
| Power Consumption | 475 W (Max) |
| Input Ports | 2x HDMI, 1x VGA, 1x USB Type-A, 1x USB Mini-B, 1x RJ45, 1x RS232 |
| Output Ports | 1x Audio Out (3.5mm), 1x Speaker (10W) |
| Keystone Correction | Vertical ± 30°, Horizontal ± 30° |
| Lens Shift | Vertical: ± 60%, Horizontal: ± 23% |
| Noise Level | 35 dBA (Normal Mode), 29 dBA (Eco Mode) |
| Operating Temperature | 0°C to 40°C |
| Safety Features | Auto Power Off, Security Lock (Kensington), Password Protection |
| Maintenance | Clean air filter every 500 hours, replace filter if needed; laser module sealed. |
| Repairability | User-replaceable filter; light source not user-replaceable (sealed laser module). |
Frequently Asked Questions - LH600ST BENQ
How do I clean the projector's air filter?
Turn off and unplug the projector. Locate the air filter cover on the side, remove it, and gently clean the filter with a vacuum cleaner or soft brush. Replace if damaged. Clean every 500 hours of use.
What is the throw distance for a 100-inch screen?
The LH600ST has a throw ratio of 0.49, so for a 100-inch screen, the projector should be placed approximately 1.08 meters (3.5 feet) from the screen.
Can I connect my laptop via HDMI?
Yes, the projector has two HDMI ports. Connect your laptop using a standard HDMI cable, then select the correct input source using the remote or control panel.
Does the projector support 4K input?
Yes, the LH600ST accepts 4K signals via HDMI and downscales them to its native WUXGA resolution for display.
How do I reset the lamp hour counter?
Since this is a laser projector with a sealed light source, there is no user-resettable lamp counter. The light source life is estimated at 20,000 hours and is not user-serviceable.
Why is the projector overheating?
Check that the air filters are clean and the ventilation slots are not blocked. Ensure the projector is in a well-ventilated area with at least 30 cm clearance on all sides.
Can I use the projector upside down (ceiling mount)?
Yes, the projector supports ceiling mounting. In the OSD menu, go to Installation and select 'Ceiling Mount' to flip the image correctly.
How do I update the firmware?
Download the latest firmware from the BenQ support page onto a USB flash drive. Insert the drive into the USB Type-A port, go to Settings > Firmware Update, and follow on-screen instructions.
What is the recommended maintenance schedule?
Clean the air filter every 500 hours. Replace the filter every 2000 hours or if it appears damaged. The laser module is sealed and requires no maintenance.
How do I adjust the keystone correction?
Press the Keystone button on the remote or navigate to Display > Keystone in the OSD menu. Use the arrow keys to correct vertical and horizontal distortion.
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USER MANUAL LH600ST BENQ
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Product information
Brand : BENQ
Model : LH600ST
Category : Projector