Introduction
This manual provides detailed instructions for the GOUYESHO UC28 replacement remote control, designed for seamless compatibility with various UNIC projector models including UC28, UC30, UC40, UC50, UC46, and UC80. This remote offers a straightforward, plug-and-play experience without the need for complex programming.

Image: Front and back view of the GOUYESHO UC28 replacement remote control, showcasing its ergonomic design and battery compartment.
Setup and Installation
The GOUYESHO UC28 replacement remote control is designed for immediate use. No complicated signal settings or programming are required.
1. Battery Installation
- Locate the battery compartment on the back of the remote control.
- Open the battery cover.
- Insert two (2) AAA batteries, ensuring correct polarity (+/-). Note: Batteries are not included and must be purchased separately.
- Close the battery cover securely.

Image: The back of the remote control with the battery compartment open, indicating where to insert batteries. Please note, the product requires 2 AAA batteries, not the button battery shown in the illustrative image.
Once batteries are installed, the remote is ready for immediate operation with your compatible UNIC projector.

Image: The remote control positioned next to a screen, emphasizing that no programming or pairing is required for operation after battery insertion.
Operating Instructions
The GOUYESHO UC28 remote control provides intuitive access to your UNIC projector's functions. Its infrared technology ensures stable and precise control from a distance of up to 10 meters (approximately 33 feet).
Key Functions:
- Power Button (ⓘ): Turns the projector on or off.
- Menu Button: Accesses the projector's main menu.
- Input Button: Cycles through available input sources (e.g., HDMI, USB, AV).
- Navigation Buttons (Up, Down, Left, Right, OK): Used for navigating menus and confirming selections.
- Playback Controls (Play/Pause, Rewind, Fast Forward, Previous, Next): Controls media playback if supported by the projector.
- ESC Button: Exits current menu or function.
- Pic Button: Adjusts picture settings.
- Zoom Button: Controls digital zoom function.
- Volume Buttons (VOL+, VOL-): Adjusts the audio volume.
- Info Button: Displays information about the current input or media.
- Repeat Button: Controls repeat playback mode.
Note: Depending on your specific UNIC projector model, some functions may not be available or may behave differently.

Image: A hand holding the remote control, pointing towards a screen, illustrating the effective long-distance control capability of the device.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your remote control.
Battery Replacement:
Replace batteries when the remote's response becomes sluggish or stops working. Always use new AAA batteries and dispose of old batteries responsibly.
Cleaning:
Wipe the remote control with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the remote. Avoid using harsh chemicals or abrasive cleaners.
Troubleshooting
If you encounter issues with your GOUYESHO UC28 remote control, refer to the following common troubleshooting steps:
- Remote Not Responding:
- Check if the batteries are inserted correctly with the correct polarity.
- Replace old batteries with new ones.
- Ensure there are no obstructions between the remote control and the projector's infrared receiver.
- Verify that you are within the effective operating range (up to 10 meters).
- Certain Functions Not Working:
- Confirm that your projector model supports the specific function. Some advanced features may not be universally compatible.
- Refer to your projector's original user manual for specific function compatibility.
- Intermittent Operation:
- This could indicate low battery power. Replace the batteries.
- Ensure the remote's infrared emitter is clean and unobstructed.
If the problem persists after trying these steps, please contact customer support.
Specifications
Attribute | Detail |
---|---|
Brand | GOUYESHO |
Model Compatibility | UNIC UC28, UC30, UC40, UC50, UC46, UC80 Projectors |
Material | High-quality ABS (Acrylonitrile Butadiene Styrene) |
Color | Black |
Connectivity Technology | Infrared (IR) |
Maximum Range | Approximately 10 meters (33 feet) |
Battery Requirement | 2 x AAA batteries (not included) |
Special Features | Ergonomic design, soft silicone buttons, no programming required |
Dimensions (Approximate) | Length: 4.33 inches, Width: 2.05 inches, Thickness: 0.63 inches |

Image: Diagram illustrating the approximate dimensions of the remote control in inches.
Warranty and Support
Your GOUYESHO UC28 replacement remote control comes with a commitment to customer satisfaction.
- Return and Refund Policy: The product is eligible for an unlimited return and refund service within 30 days of purchase.
- Customer Support: If you have any questions or concerns regarding your order or the product, please do not hesitate to contact us. We aim to respond to all inquiries within 231 hours during the working week.
For support, please refer to the contact information provided with your purchase or on the product's retail page.