1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your new Beyution RMT-B122A replacement remote control. Designed for seamless compatibility with various Sony Blu-ray Disc and DVD Player models, this remote offers a straightforward solution for controlling your audio/video equipment.

2. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Beyution |
| Model Number | RMT-B122A |
| Compatible Models | Sony BDP-S790, RMT-B122P, RMT-B122C, RMT-B122A, RMT-B123A |
| Wireless Communication | IR (Infrared) |
| Frequency | 433 MHz |
| Use | Audio / Video Players |
| Support APP | No |
| Power Supply | 2 x AAA Alkaline Batteries (Not included) |
| Package | Yes |
| Origin | Mainland China |
| Certification | NONE |
3. Setup
The Beyution RMT-B122A remote control is designed for immediate use with compatible Sony Blu-ray Disc and DVD Players without requiring any programming. Simply install the batteries to begin operation.
3.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or outwards to open it.
- Insert two (2) AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Note: Batteries are not included with the remote control. Use only new AAA alkaline batteries for optimal performance.
4. Operating Instructions
Once batteries are installed, the remote control is ready to operate your compatible Sony Blu-ray Disc or DVD Player. Point the remote directly at the device you wish to control.
4.1 Basic Functions
- Power (I/O): Press to turn the player on or off.
- Open/Close: Press to open or close the disc tray.
- Numeric Keypad (0-9): Use to select tracks, chapters, or input numbers.
- Display: Shows on-screen information about the current playback.
- Input: Switches input sources (if applicable to your player).
- Subtitle: Toggles subtitle display.
- Audio: Changes audio tracks or languages.
- 3D: Activates or deactivates 3D mode (for compatible players and content).
4.2 Navigation and Menu Controls
- Directional Pad (Up, Down, Left, Right): Navigates through menus and options.
- Enter (Center Button): Confirms selections.
- HOME: Accesses the player's main menu.
- TOP MENU: Returns to the disc's top menu.
- POP UP/MENU: Displays the disc's pop-up menu.
- OPTIONS: Accesses context-sensitive options.
- RETURN: Goes back to the previous screen or menu.
4.3 Playback Controls
- Play (►): Starts or resumes playback.
- Pause (∥∥): Pauses playback.
- Stop (■): Stops playback.
- Fast Forward (►►): Advances playback quickly.
- Rewind (◄◄): Rewinds playback quickly.
- Previous (◄◄|): Skips to the beginning of the current track/chapter or the previous one.
- Next (|►►): Skips to the next track/chapter.
- VOL +/-: Adjusts the volume (if your player supports this function directly or via HDMI CEC).

5. Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your remote control.
- Cleaning: Wipe the remote control with a soft, dry cloth. Do not use abrasive cleaners, solvents, or alcohol, as these can damage the surface and markings.
- Battery Replacement: Replace batteries when the remote's response becomes sluggish or stops working. Always replace both batteries at the same time with new AAA alkaline batteries. Do not mix old and new batteries, or different types of batteries.
- Storage: If the remote control will not be used for an extended period, remove the batteries to prevent leakage and potential damage to the remote. Store in a cool, dry place.
- Environment: Avoid exposing the remote control to extreme temperatures, direct sunlight, high humidity, or liquids.
6. Troubleshooting
If you experience issues with your remote control, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not working at all. | Dead or incorrectly installed batteries. | Replace batteries with new AAA alkaline batteries, ensuring correct polarity. |
| Remote works intermittently. | Low battery power; Obstruction between remote and player; Remote too far from player. | Replace batteries. Ensure a clear line of sight to the player's IR receiver. Move closer to the player. |
| Specific buttons not responding. | Button stuck or dirty; Remote malfunction. | Clean the remote surface. If problem persists, the remote may be faulty. |
| Remote does not control the player. | Incompatible player model; Player's IR receiver blocked or faulty. | Verify your player model is listed as compatible. Ensure nothing is blocking the player's IR receiver. Test with another remote if available. |
7. User Tips
- Direct Line of Sight: For optimal performance, always ensure a direct line of sight between the remote control and your Sony Blu-ray/DVD player. Infrared signals can be blocked by objects.
- Battery Quality: Using high-quality alkaline batteries can significantly extend the remote's operational life and prevent issues related to low power.
- Compatibility Check: Before contacting support, double-check that your specific Sony Blu-ray or DVD player model is listed among the compatible models (e.g., BDP-S790, RMT-B122P, RMT-B122C, RMT-B123A).
8. Warranty and Support
For any issues not covered in this manual or for warranty inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
This remote control is a replacement unit and is designed to function as specified with compatible Sony Blu-ray Disc and DVD Players. It does not require complex programming.





