DX-250 - Video projector Jolimark - Free user manual and instructions
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| Product Type | Video Projector |
| Brand | Jolimark |
| Model | DX-250 |
| Display Technology | DLP |
| Resolution | 1024 x 768 (XGA) |
| Brightness | 2500 ANSI Lumens |
| Contrast Ratio | 2000:1 |
| Lamp Life | 5000 hours (Normal Mode) |
| Projection Size | 30 - 300 inches |
| Throw Ratio | 1.5 - 1.8:1 |
| Keystone Correction | ±40° Vertical |
| Input Ports | HDMI, VGA, Composite, USB |
| Built-in Speaker | 2W Mono |
| Noise Level | 30 dB |
| Dimensions (W x D x H) | 320 x 240 x 100 mm |
| Weight | 2.8 kg |
| Power Consumption | 230W |
| Power Supply | AC 100-240V, 50/60Hz |
| Lamp Type | UHP |
| Remote Control | Yes, included |
| Language Support | English (Manual) |
| Mounting | Ceiling mount compatible |
| Safety Features | Overheat protection, auto shut-off |
| Cleaning | Clean lens with soft cloth |
| Maintenance | Replace lamp after 5000 hours |
| Spare Parts | Replacement lamp available |
| Repairability | User replaceable lamp and filter |
| Warranty | 1 year limited |
Frequently Asked Questions - DX-250 Jolimark
How do I clean the lens of the Jolimark DX-250?
Turn off the projector and unplug it. Use a soft, lint-free cloth lightly dampened with lens cleaner. Gently wipe the lens in a circular motion. Avoid using abrasive materials.
How do I replace the lamp on the Jolimark DX-250?
Ensure the projector is off and cool. Remove the lamp cover screw, open the cover, unscrew the old lamp, disconnect the lamp connector, and install the new lamp. Reassemble and reset the lamp hour counter via the menu.
How do I connect my laptop to the Jolimark DX-250?
Use an HDMI cable or VGA cable (with audio if needed). Connect one end to your laptop and the other to the corresponding input port on the projector. Select the correct input source using the remote or control panel.
What should I do if the projected image is blurry?
Adjust the focus ring on the lens. Ensure the projector is at the correct distance from the screen. Use the keystone correction feature to correct trapezoidal distortion. Also check the resolution settings on your source device.
How do I adjust the keystone correction on the DX-250?
Press the 'Keystone' button on the remote or navigate to the menu setting. Use the arrow keys to adjust vertical keystone correction (±40°). The image will straighten accordingly.
How do I reset the lamp hours counter?
Go to the setup menu, select 'Lamp Hours' or 'Lamp Reset'. Confirm the reset. This clears the lamp timer and turns off the lamp warning indicator.
Can I mount the Jolimark DX-250 on the ceiling?
Yes, the projector is compatible with a ceiling mount. Ensure the mount supports the weight (2.8 kg). Use the mounting holes on the bottom. Secure all bolts and verify stability.
How do I change the language settings?
Press the 'Menu' button, navigate to 'Setup' or 'System', select 'Language', and choose your desired language from the list. Confirm to apply. The manual is available in English.
What is the best projection distance for a 100-inch screen?
With a throw ratio of 1.5-1.8:1, the projector should be placed approximately 3.3 to 4 meters from the screen. Use the formula: throw distance = throw ratio × screen width.
What should I do if the projector does not turn on?
Check the power cord connection and ensure the outlet is working. Verify the power indicator light. If still off, try a different outlet. If the lamp indicator is flashing, the lamp may need replacement or cooling. Wait and retry.
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