Introduction
This instruction manual provides detailed information on the setup, operation, maintenance, and troubleshooting of your new VIZIO S4251W-B4 Sound Bar Remote Control. This remote is designed to seamlessly control your VIZIO 42" 5.1 Home Theater Sound Bar, offering intuitive access to various functions. Please read this manual thoroughly to ensure proper use and longevity of your remote control.
Setup
Battery Installation
The VIZIO S4251W-B4 remote control requires two (2) AAA batteries (not included) 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 off.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.
Note: This remote control does not require any programming. Once new batteries are inserted, it is ready for use with compatible VIZIO sound bars.

This image displays the VIZIO S4251W-B4 Sound Bar Remote Control. The remote is silver-colored with black buttons. At the top, there is a display panel. Below the display, from left to right, are the 'INPUT' button, 'MENU' button, and the Power button. In the center, a large directional pad includes 'Up', 'Down', 'Left', 'Right' arrows, and a central 'Play/Pause' button. Below the directional pad, from left to right, are the Volume Down (-) button, Mute button (speaker icon with a cross), and Volume Up (+) button.
Operating the Remote Control
Remote Control Layout and Functions
Familiarize yourself with the buttons and their functions to effectively control your VIZIO sound bar:
- Display Panel: Located at the top, this panel shows current settings and information.
- INPUT Button: Cycles through available audio input sources (e.g., Bluetooth, Optical, AUX).
- MENU Button: Accesses the sound bar's on-screen menu for advanced settings.
- Power Button (⏻): Turns the sound bar On or Off.
- Navigation Buttons (▲ ▼ ◄ ►): Used to navigate through menus and adjust settings.
- Play/Pause Button (⏸): Acts as an 'OK' or 'Enter' button in menus, and controls media playback (play/pause) when applicable.
- Volume Down (-) Button: Decreases the sound bar's volume level.
- Mute Button (🔇): Mutes or unmutes the sound bar's audio output.
- Volume Up (+) Button: Increases the sound bar's volume level.
Maintenance
Cleaning the Remote Control
To maintain the appearance and functionality of your remote control, follow these cleaning guidelines:
- Use a soft, dry cloth to wipe the surface of the remote.
- For stubborn smudges, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Do not spray liquids directly onto the remote.
- Avoid using harsh chemicals, solvents, or abrasive cleaning pads, as these can damage the remote's finish or internal components.
Battery Replacement
Replace the batteries when the remote's response becomes sluggish or the display panel appears dim. Always replace both batteries at the same time with new AAA batteries. Do not mix old and new batteries, or different types of batteries, as this can lead to leakage or damage.
Troubleshooting
If you encounter issues with your remote control, refer to the following common problems and solutions:
- Remote not responding:
- Check if the batteries are inserted correctly with the correct polarity.
- Replace the batteries with new ones.
- Ensure there are no obstructions between the remote control and the sound bar's sensor.
- Make sure you are within the effective range of the sound bar.
- Display panel is dim or unreadable:
- This can indicate low battery power. Replace the batteries.
- Ensure the display panel is clean and free of smudges or debris.
- Specific buttons not working:
- Clean the remote control, paying attention to the area around the non-functioning button, to remove any dirt or residue that might be preventing proper contact.
- If cleaning and battery replacement do not resolve the issue, the remote may require service or replacement.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7 x 5 x 2 inches |
| Item Weight | 1.44 ounces |
| ASIN | B00KE588GE |
| Item Model Number | vsb-aaa1 |
| Brand | VIZIO |
| Special Feature | Ergonomic, Display |
| Color | Silver |
| Max Number of Supported Devices | 1 |
| Compatible Devices | Home Theater (VIZIO 42" 5.1 Home Theater Sound Bar S4221W-C4, S4251W-B4) |
| Date First Available | June 19, 2014 |
| Manufacturer | Beyution inc |
Warranty Information
This VIZIO S4251W-B4 Remote Control typically comes with a one-year warranty from the date of purchase. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact the seller directly. Additionally, a 30-day refund/replacement policy may apply through the point of purchase.
Customer Support
Should you have any questions, concerns, or require assistance with your VIZIO S4251W-B4 Remote Control, please contact the seller or manufacturer. Providing your product model number (vsb-aaa1) and a detailed description of the issue will help expedite support.





