1. Introduction
This manual provides essential information for the safe and efficient operation of your Eiki EK-307W LCD WXGA 5100 Lumen Video Data Projector. Please read this manual thoroughly before using the projector and keep it for future reference. The Eiki EK-307W is designed for high-quality video and data projection, featuring a 10,000:1 contrast ratio, versatile I/O terminals, and a 1.6x zoom lens.
2. Safety Instructions
Always observe the following safety precautions to prevent fire, electric shock, or injury.
- Do not block the ventilation openings. Ensure adequate space around the projector for proper airflow.
- Do not look directly into the lens when the projector is operating, as the bright light can damage your eyes.
- Do not place the projector on an unstable cart, stand, or table.
- Do not expose the projector to rain or moisture to reduce the risk of fire or electric shock.
- Refer all servicing to qualified service personnel.
- Use only the power cord supplied with the projector.
3. Projector Overview
3.1 Controls and Indicators
The top panel of the Eiki EK-307W projector features essential controls for operation and adjustment.

Image: Top view of the Eiki EK-307W projector. Visible elements include the Eiki logo, lens shift dials, and the control panel with Menu, OK, Auto, Input, and navigation buttons, along with power and warning indicators.
- Lens Shift Dials: Adjust the vertical and horizontal position of the projected image without moving the projector.
- MENU Button: Access the on-screen display (OSD) menu for settings adjustments.
- OK Button: Confirm selections within the OSD menu.
- Navigation Buttons (Up/Down/Left/Right): Navigate through menu options and adjust settings.
- AUTO Button: Automatically adjusts the image for optimal display.
- INPUT Button: Cycles through available input sources.
- Power Indicator: Shows the projector's power status.
- Warning Indicator: Illuminates to indicate a system warning or error.
3.2 Connectivity Ports
The rear panel of the Eiki EK-307W provides a comprehensive set of input and output terminals for various devices.

Image: Rear view of the Eiki EK-307W projector, displaying its array of connectivity ports. These include power input, Audio Out, Video In, VGA In/Out, RS-232C, HDMI, USB-A, USB-B, and LAN ports.
- Power Input: Connect the AC power cord.
- AUDIO OUT: 3.5mm audio output jack.
- VIDEO IN: Composite video input (RCA).
- VGA IN 1 / VGA IN 2 / VGA OUT: D-sub 15-pin inputs for computer connection and a VGA output.
- RS-232C: Serial port for projector control.
- HDMI 1 / HDMI 2 (MHL): High-Definition Multimedia Interface inputs, with HDMI 2 supporting MHL.
- USB-A: For connecting USB storage devices or optional wireless adapters.
- USB-B: For service or direct USB display connection.
- LAN: RJ-45 port for network control and monitoring (Crestron RoomView, AMX Device Discovery, PJ-Link).
4. Setup
4.1 Placement
Position the projector on a stable, flat surface or mount it securely. Ensure the projector is within the optimal projection distance for your screen size. Maintain adequate ventilation space around the projector (at least 30 cm from walls or other objects).
4.2 Power Connection
- Connect the supplied power cord to the projector's power input.
- Plug the other end of the power cord into a grounded electrical outlet.
4.3 Connecting Input Sources
The EK-307W supports various input sources:
- HDMI: Connect HDMI cables from your source devices (e.g., laptop, gaming console, Blu-ray player) to the HDMI 1 or HDMI 2 ports.
- VGA: Connect a VGA cable from your computer to either VGA IN 1 or VGA IN 2.
- USB: For compatible devices, connect via the USB-A or USB-B ports.
- LAN: Connect an Ethernet cable for network control.
5. Operating
5.1 Powering On/Off
- To Power On: Press the power button on the control panel or remote control. The power indicator will illuminate.
- To Power Off: Press the power button again. A confirmation message may appear. Press the power button a second time to confirm shutdown. Allow the projector to cool down before unplugging.
5.2 Basic Projection Adjustments
- Focus: Rotate the focus ring on the lens until the image is sharp.
- Zoom: Adjust the zoom ring on the lens to change the image size. The projector features a 1.6x zoom lens.
- Keystone Correction: If the image appears trapezoidal, use the keystone correction function in the OSD menu to square the image.
- Lens Shift: Use the lens shift dials on the top panel to finely adjust the image position vertically or horizontally without tilting the projector.
5.3 Input Source Selection
Press the INPUT button on the control panel or remote control to cycle through available input sources (HDMI 1, HDMI 2, VGA 1, VGA 2, Video, USB, LAN).
5.4 Menu Navigation
Press the MENU button to open the On-Screen Display (OSD) menu. Use the navigation buttons to browse options and the OK button to select. Adjust settings such as picture mode, aspect ratio, audio volume, and network configurations.
6. Maintenance
6.1 Cleaning the Lens
Gently wipe the lens with a soft, lint-free cloth specifically designed for optical surfaces. Do not use abrasive cleaners or excessive force.
6.2 Air Filter Maintenance
Regularly clean or replace the air filter to ensure proper ventilation and prevent overheating. Refer to the OSD menu for filter usage time. Consult your dealer for replacement filters.
6.3 General Cleaning
Wipe the projector casing with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth with a mild, non-abrasive cleaner. Ensure no liquid enters the projector.
7. Troubleshooting
If you encounter issues with your projector, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image displayed | Power cord disconnected, incorrect input source, source device off. | Check power connection, select correct input source, ensure source device is on. |
| Image is blurry | Lens out of focus. | Adjust the focus ring on the lens. |
| Image is trapezoidal | Projector not perpendicular to screen. | Use keystone correction in the OSD menu. |
| No audio | Volume too low, audio cable disconnected, incorrect audio output selected. | Increase volume, check audio cable connections, verify audio settings in OSD. |
| Projector overheats | Blocked ventilation, dirty air filter. | Ensure clear ventilation, clean or replace air filter. |
8. Specifications
Detailed technical specifications for the Eiki EK-307W projector:
| Feature | Specification |
|---|---|
| Brand | Eiki |
| Model Name | EK 307W |
| Model Number | EK-307W |
| Display Type | LCD |
| Native Resolution | 1280 x 768 (WXGA) |
| Maximum Display Resolution | 1280 x 768 |
| Brightness | 5100 Lumens |
| Contrast Ratio | 10,000:1 (with Iris on ECO mode) |
| Connectivity Technology | USB |
| Hardware Connectivity | 2x HDMI, 2x VGA, USB-A, USB-B, LAN, Video In, Audio Out, RS-232C |
| Zoom Lens | 1.6x |
| Special Feature | Portable |
| Form Factor | Portable |
| Mounting Type | Tabletop Mount |
| Controller Type | Remote Control |
| Compatible Devices | Gaming Console, Laptop, Smartphone, Tablet |
| Built-in Audio | 10-Watt Speaker |
| Network Control | Crestron RoomView, AMX Device Discovery, PJ-Link |
| Color | White |