1. Introduction
This instruction manual provides essential information for the proper setup, operation, and maintenance of your Beyution RMT-AH200U replacement infrared remote control. This remote is designed to be compatible with various Sony Sound Bar AV Speaker Systems and Home Theater Systems.
Please read this manual thoroughly before using the remote control to ensure optimal performance and longevity.
2. Setup: Battery Installation
The RMT-AH200U remote control requires two (2) AAA alkaline batteries for operation. Follow these steps to install the batteries:
- Locate the battery compartment cover on the back of the remote control.
- Press down on the tab and slide the cover downwards to open the compartment.
- Insert two new AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Image: Rear view of the remote control with the battery cover removed, illustrating the correct orientation for AAA battery insertion.
Important: Use only new alkaline batteries. Rechargeable batteries may not provide sufficient power for proper operation.
3. Operating Instructions
Once batteries are installed, the RMT-AH200U remote control is ready for use. It operates via infrared (IR) technology. Ensure there is a clear line of sight between the remote control and the IR receiver on your Sony sound system.

Image: Front view of the RMT-AH200U remote control, displaying its ergonomic design and button layout.
3.1. Compatible Models
This replacement remote control is compatible with the following Sony Sound Bar AV Speaker Systems and Home Theater Systems:
- HT-CT390
- HT-RT3
- HT-RT4
- HT-RT40
- SA-CT390
- SA-WCT390
- SA-WRT3
- SS-RT3
- HTCT390
- HTRT3
- HTRT4
- HTRT40
- SACT390
- SAWCT390
- SAWRT3
- SSRT3
If your specific model is not listed, please refer to the troubleshooting section or contact customer support for assistance.
4. Maintenance
4.1. Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops functioning. Always replace both batteries simultaneously with new AAA alkaline batteries. Do not mix old and new batteries, or different types of batteries.
4.2. Cleaning
To clean the remote control, gently wipe its surface with a soft, dry cloth. Do not use liquid cleaners, abrasive pads, or chemical solvents, as these can damage the remote's finish or internal components.
5. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Remote control is not working. |
|
| Remote control works intermittently. |
|
| Remote control does not operate my specific Sony model. |
|
6. Specifications
- Brand: Beyution
- Model Name: AH200U
- Model Number: BE-RMT-AH200U
- Color: Black
- Special Feature: Ergonomic design
- Connectivity Technology: Infrared (IR)
- Controller Type: Button Control
- Button Quantity: 25
- Maximum Number of Supported Devices: 1 (specific Sony sound system)
- Compatible Devices: Sony Sound Bar AV Speaker Systems & Home Theater Systems (specific models listed in Section 3.1)
- Number of Batteries Required: 2
- Battery Type: AAA Alkaline
- Maximum Range: 10 Meters (approx. 33 feet)
7. Customer Support
For any questions, concerns, or if your specific device model is not listed in this manual, please contact our customer support team. Providing your product model number and a detailed description of the issue will help us assist you more efficiently.
Contact information is typically provided by the seller at the point of purchase or on the product packaging.