Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC Adapter. This adapter is designed as a high-quality replacement power supply for various multimedia projectors, including Fangor F-301, F-303, KJM-301, KJM-302, KJM-303, and PRO-302 models.

Image: The onerbl AC adapter unit with its detachable power cord, ready for connection.
Setup
- Unpack the Adapter: Carefully remove the AC adapter and power cord from its packaging.
- Connect the Power Cord: Insert the 2-pin end of the power cord into the AC input port on the adapter unit. Ensure a secure connection.
- Connect to Device: Plug the DC output connector of the adapter into the power input port of your compatible projector.
- Connect to Power Outlet: Insert the AC plug of the power cord into a standard wall power outlet (AC 100-240V, 50/60Hz).
- Verify Power: A blue indicator light on the adapter unit will illuminate, confirming that power is being supplied.

Image: The AC adapter connected to a projector on a desk, with the power cord plugged into a wall outlet.
Operating Instructions
The onerbl AC Adapter is designed for straightforward operation. Once properly connected, it will automatically provide power to your compatible device.
- Automatic Voltage Adjustment: The adapter supports a wide input voltage range of AC 100-240V, 50/60Hz, making it suitable for international use without a voltage converter.
- Safety Features: The adapter incorporates built-in protection mechanisms, including over-voltage protection, over-heat protection, short-circuit protection, and over-current protection, to safeguard your devices and the adapter itself.

Image: Diagram illustrating the "Smart Chip" technology with icons for short-circuit, over-voltage, and over-current protection.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and moisture. Avoid tightly coiling the cables to prevent damage.
- Cable Care: Regularly inspect the power cord and adapter cables for any signs of fraying, cuts, or damage. Do not use if cables are damaged.
- Avoid Extreme Conditions: Do not expose the adapter to extreme temperatures, humidity, or corrosive environments.

Image: Cross-section diagram of the cable showing copper wire and PVC jacket, highlighting the durable design and quality control.
Troubleshooting
- No Power Indicator Light:
- Ensure the power cord is securely connected to both the adapter and the wall outlet.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the adapter's DC output connector is firmly plugged into your projector.
- Device Not Powering On:
- Confirm that the adapter is the correct voltage and amperage for your specific projector model.
- Ensure the projector itself is functioning correctly.
- Overheating:
- Ensure the adapter is placed in a well-ventilated area, away from heat sources.
- Do not cover the adapter during operation.
- If overheating persists, discontinue use and contact support.
Specifications
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide Compatible) |
| Compatible Devices | Fangor F-301, F-303, KJM-301, KJM-302, KJM-303, PRO-302 Multimedia Projectors, and other compatible devices requiring KZE1204000S power supply. |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection, Travel-friendly design. |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin |
| Total Cable Length | Approximately 127.8 inches (3.25 meters) |

Image: Detailed diagram illustrating the dimensions of the AC adapter unit and the lengths of its connected cables.

Image: Visual representation of extended cord design, showing different cable lengths for various applications.

Image: Illustrative diagram showcasing the wide range of applications and compatible devices for the onerbl AC adapter.
Warranty and Support
This onerbl AC Adapter is designed for reliability and performance. For information regarding returns or replacements, please refer to the retailer's return policy where the product was purchased. Typically, products are covered by a standard return window.
If you encounter any issues that cannot be resolved using the troubleshooting guide, or if you have further questions, please contact the seller or manufacturer through the platform where you made your purchase. Provide your order details and a clear description of the issue for prompt assistance.