Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Scimagic-RC Marantec 433MHz Fixed Code Garage Door Remote Control. This remote is designed for compatibility with various Marantec Digital and Command series models operating at 433.92MHz. Please read this manual carefully before use to ensure proper functionality and safety.
Compatibility
Your remote control is compatible with Marantec systems operating at 433.92MHz with fixed code. It is crucial to verify your existing remote's frequency before attempting to program this device. This remote is 100% compatible with the following Marantec models:
- Marantec Digital 382 433
- Marantec Digital 384 433
- Marantec Digital D302 433
- Marantec Digital D304 433
- Marantec Digital D313 433
- Marantec Digital D321 433
- Marantec Digital D323 433
- Marantec Command 131 433
- Marantec Digital 211 433
- Marantec Digital 212 433
- Marantec Digital 214 433
- Marantec Digital 221 433
- Marantec Digital 222 433
- Marantec Digital 224 433
- Marantec Digital 231 433
- Marantec Digital 232 433
Special Reminder: Please ensure your remote is on this compatibility list and operates at 433.92MHz. 868MHz models are NOT compatible.



Setup and Programming
This remote control uses a face-to-face copying method to duplicate the code from your original remote. Follow these steps carefully:
Step 1: Clear the History Code from the Duplicator
- Press button A and B continuously until the LED flashes 3 times.
- Release button B (while keeping button A pressed).
- Press button B slowly 3 times. The LED will flash quickly.
- Release button A. The code is now cleared.

Step 2: Copy Code from the Original Transmitter
- Place the new duplicator remote and the original transmitter as close to each other as possible.
- Press and hold button A of the original transmitter.
- While still holding button A of the original transmitter, press and hold button A of the new duplicator remote until you see the duplicator's LED flash.
- Release both buttons. The code for button A is now copied.
- Repeat this process for any other buttons you wish to program.
Operation
Once programmed, your new remote control functions identically to your original Marantec remote. Simply press the corresponding button to activate the desired function, such as opening or closing your garage door.
Applications
This remote control can be used for various applications, including:
- Garage doors
- Electronic gates
- Vehicle central locking systems
- Car sunroofs
- Car/Motorbike alarms
- Other electrical appliances/Home automation (e.g., lights)


Maintenance
Battery Replacement
The remote control is powered by a CR2032/12V 27A battery. If the remote's LED indicator does not light up or the range decreases significantly, it may be time to replace the battery. To replace the battery:
- Carefully open the remote control casing.
- Remove the old battery.
- Insert a new CR2032/12V 27A battery, ensuring correct polarity.
- Close the remote control casing securely.
General Care
- Keep the remote control dry and away from moisture.
- Avoid dropping the remote or subjecting it to strong impacts.
- Clean the remote with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the remote in a safe place when not in use, away from extreme temperatures.

Troubleshooting
- Remote not responding: Ensure the battery is correctly installed and has sufficient charge. Try replacing the battery.
- Programming failed: Re-attempt the programming steps carefully, ensuring the original and new remotes are as close as possible during the copying process. Make sure the history code is cleared before copying.
- Short operating range: Check the battery. Obstructions between the remote and the receiver can also reduce range.
- Incompatible frequency: If the remote does not work after multiple programming attempts, verify that your original remote operates at 433.92MHz. This duplicator is not compatible with 868MHz or other frequencies.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Scimagic-RC |
| Model Number | Marantec 433mhz Garage remote control |
| Origin | Mainland China |
| Certification | CE |
| Frequency | 433MHz / 433.92MHz |
| Encoding Method | Fixed code (Self Copy) |
| Buttons | 2 or 4 (depending on variant) |
| Rated Voltage | CR2032/12V 27A Battery (included) |
| Dimensions (L x W x H) | Approx. 5.4cm x 3.0cm x 1.4cm |
| Package Dimensions (L x W x H) | 13cm x 11cm x 2cm |
| Package Weight | 0.05 kg |

Warranty and Support
This product comes with a 1-year warranty from the store. For any issues or support inquiries, please refer to the official user manual PDF for detailed contact information or visit the manufacturer's website.
A detailed user manual is available in PDF format: View User Manual (PDF)
Manufacturer: Shenzhen Scimagic Development Technology Co.Ltd
Address: Honghai Gebu Building 2301, Baoan Road, Songgang Baoan District Shenzhen Guangdong China.
User Tips
- For best programming results, ensure both remotes have fresh batteries and are placed on a flat, non-metallic surface during the copying process.
- If you have multiple buttons to program, copy them one by one, following the "Copy Code" steps for each button.
- Consider attaching the remote to a keychain or using the included holder for easy access and to prevent loss.







