1. Product Overview
The SAMA YG91-3 is a compact 60% RGB wired gaming keyboard designed for efficiency and portability. It features 61 keys, vibrant RGB backlighting, full key anti-ghosting, and durable membrane switches. Its waterproof design enhances durability, making it suitable for various environments.

Image: SAMA YG91-3 60% RGB Wired Gaming Keyboard with rainbow backlighting.
Key Features:
- Compact 60% Layout: Maximizes desk space with a 61-key design.
- RGB Backlighting: Multiple lighting modes, including streamer, monochromatic, and brightness adjustment.
- Full Key Anti-Ghosting: Ensures every keystroke is registered accurately.
- Durable Membrane Switches: Offers a tactile feel with quiet operation.
- Lightweight and Waterproof: Designed for portability and resilience against spills.
2. Package Contents
Verify that all items are present in the package:
- SAMA YG91-3 60% RGB Wired Gaming Keyboard
- USB Cable
- User Manual (this document)
3. Setup Instructions
To begin using your SAMA YG91-3 keyboard, follow these simple steps:
- Unpack the keyboard and the included USB cable from the packaging.
- Locate the USB-C port on the back of the keyboard.
- Connect the USB-C end of the cable to the keyboard.
- Connect the USB-A end of the cable to an available USB port on your computer (PC or Mac).
- The keyboard will automatically be recognized by your operating system, and drivers will install if necessary. The RGB backlighting should illuminate upon successful connection.

Image: USB-C connection port on the SAMA YG91-3 keyboard.
4. Operating Instructions
4.1. RGB Backlighting Adjustment
The SAMA YG91-3 keyboard features dynamic RGB backlighting with several customizable options:
- Streamer Light Mode: Press FN + K to cycle through various streamer light effects.
- Backlight On/Off/Cycle Switch: Press FN + L to turn the backlight on or off, or to cycle through different static lighting modes.
- Monochromatic Lighting: Press FN + M to switch between different monochromatic colors.
- Adjust Brightness: Use FN + O to increase brightness and FN + I to decrease brightness.
- Streamer Speed Acceleration: Use FN + U to increase the speed of dynamic lighting effects.
- Streamer Speed Slow Down: Use FN + J to decrease the speed of dynamic lighting effects.

Image: RGB backlighting modes and controls for the SAMA YG91-3 keyboard.
4.2. Compound Key Functions
Due to its compact 60% layout, many functions are accessed using the FN (Function) key in combination with other keys. Refer to the table below for common compound key functions:
| Function Key Combination | Result | Function Key Combination | Result |
|---|---|---|---|
| FN + R | Volume - | FN + 7 & | F7 |
| FN + T | Volume + | FN + 8 * | F8 |
| FN + Y | Mute | FN + 9 ( | F9 |
| FN + ESC | ~ | FN + 0 ) | F10 |
| FN + 1 ! | F1 | FN + - _ | F11 |
| FN + 2 @ | F2 | FN + = + | F12 |
| FN + 3 # | F3 | FN + Back | Delete |
| FN + 4 $ | F4 | FN + W | Activates arrow keys on W, A, S, D |
| FN + 5 % | F5 | ||
| FN + 6 ^ | F6 |
Note: To use the arrow keys, press FN + W. This will remap W, A, S, D to Up, Left, Down, Right arrow keys respectively. Press FN + W again to revert to standard W, A, S, D functionality.
4.3. Anti-Ghosting
The SAMA YG91-3 keyboard features full key anti-ghosting technology. This ensures that multiple simultaneous key presses are registered accurately, which is crucial for fast-paced gaming and efficient typing.
4.4. Waterproof Design
The keyboard is designed with waterproof features to protect against accidental spills. While it offers protection, it is recommended to avoid submerging the keyboard in liquid.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your keyboard:
- Cleaning: Use a soft, dry cloth to wipe down the keyboard surface. For deeper cleaning, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the key switches. Always disconnect the keyboard before cleaning.
- Dust Removal: Use compressed air to remove dust and debris from between the keycaps.
- Storage: When not in use, store the keyboard in a clean, dry environment away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your SAMA YG91-3 keyboard, refer to the following common problems and solutions:
- Keyboard Not Responding:
- Ensure the USB cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to rule out a computer-specific issue.
- RGB Backlighting Not Working:
- Ensure the keyboard is properly connected and receiving power.
- Press FN + L to cycle through backlight modes or turn it on.
- Adjust brightness using FN + O and FN + I.
- Keys Not Registering or Double Typing:
- Clean the affected key area with compressed air to remove any debris.
- Ensure no software conflicts are present (e.g., other keyboard drivers).
- Arrow Keys (W, A, S, D) Not Working as Letters:
- Press FN + W to toggle between W, A, S, D and arrow key functionality.
7. Specifications
Detailed technical specifications for the SAMA YG91-3 keyboard:
| Feature | Specification |
|---|---|
| Brand | SAMA |
| Model Number | YG91-3 |
| Connectivity Technology | USB Wired |
| Number of Keys | 61 |
| Keyboard Layout | QWERTY |
| Switch Type | Membrane |
| Backlighting | RGB |
| Special Features | Backlit, Lightweight, Spill Proof (Waterproof) |
| Color | White Purple |
| Product Dimensions (L x W x H) | 11.42" x 4.02" x 1.18" (290mm x 102mm x 30mm) |
| Weight | Approximately 412g |
| Compatible Devices | Laptop, Desktop (PC/Mac) |

Image: SAMA YG91-3 keyboard dimensions.
8. Warranty and Support
The SAMA YG91-3 keyboard comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or further assistance, please contact SAMA customer service through the official SAMA website or your retailer's support channels. Please retain your proof of purchase for warranty validation.