EH415ST - Projector OPTOMA - Free user manual and instructions
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| Product Type | DLP Projector |
| Native Resolution | 1920 x 1080 (Full HD) |
| Brightness | 4000 lumens |
| Contrast Ratio | 20,000:1 |
| Lamp Life | Up to 10,000 hours (Eco mode) |
| Throw Ratio | 0.52:1 (short throw) |
| Dimensions (W x D x H) | 293 x 220 x 102 mm |
| Weight | 3.5 kg |
| Power Supply | 100-240V AC, 50/60 Hz |
| Power Consumption | 300 W (max) |
| Main Features | Wireless projection, keystone correction, built-in speaker, HDMI/USB interfaces |
| Maintenance and Cleaning | Clean air filter every 500 hours |
| Security | Kensington lock, security password |
| Spare Parts and Repairability | Replacement lamp, air filter |
| General Information | Designed for educational and professional environments |
Frequently Asked Questions - EH415ST OPTOMA
How to connect my computer to the EH415ST projector?
Use an HDMI or VGA cable (depending on your source) for a wired connection. For a wireless connection, enable wireless mode on the projector and use the dedicated app.
What to do if the projected image is blurry?
Turn the focus ring on the lens until you get a sharp image. Make sure the projection distance is appropriate.
How to clean the air filter?
Turn off the projector and unplug it. Remove the filter cover, take out the filter, and clean it with a soft vacuum. Put it back after complete drying.
The lamp indicator is blinking, what should I do?
This indicates that the lamp is at the end of its life or a defect. Refer to the lamp replacement section in the manual and replace it if necessary.
Can I use the projector without a screen?
Yes, project onto a white, smooth wall. For better quality, use a suitable projection screen.
How to adjust keystone correction?
Access the OSD menu, go to 'Image' then 'Keystone correction'. Use the directional keys to adjust the distortion.
The projector does not turn on, what to check?
Check that the power cable is properly connected and that the outlet works. Press the Power button after waiting for the indicator to turn green.
How to enable silent mode?
In the OSD menu, select 'Settings' then 'Eco Mode'. This reduces fan noise and brightness.
Can I play sound from the projector?
Yes, the projector has a built-in 10W speaker. You can also connect external speakers via the 3.5mm audio output.
Where to find the replacement lamp?
The OPTOMA EH415ST model lamp is available from authorized dealers or on the official website. Make sure to use an original lamp.
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