Introduction
Thank you for choosing the TRIUMPHKEY Electric Sit-Stand Desk. This ergonomic desk is designed to enhance your workspace by allowing seamless transitions between sitting and standing positions, promoting better posture and productivity. This manual provides detailed instructions for assembly, operation, maintenance, and troubleshooting to ensure you get the most out of your new desk.

Image: The TRIUMPHKEY Electric Sit-Stand Desk in a modern office environment, highlighting its comfortable and efficient design.
Setup and Assembly
The TRIUMPHKEY Electric Sit-Stand Desk is designed for easy assembly, typically taking less than 30 minutes. All necessary tools and pre-drilled parts are included in the kit. Please follow these steps carefully:
- Unpack Components: Carefully remove all parts from the packaging and verify against the parts list in your included instruction booklet.
- Assemble Frame: Attach the desk legs to the crossbar using the provided screws. Ensure all connections are secure.
- Attach Desktop: Place the desktop upside down on a soft, clean surface. Align the pre-drilled holes on the desktop with the frame and secure it using the designated screws.
- Install Control Panel: Mount the control panel to the underside of the desk in the desired location. Connect the motor cables to the control box and then to the control panel.
- Cable Management: Use the included cable ties or clips to organize and secure all cables, preventing them from snagging during height adjustments.
- Final Placement: Carefully flip the desk upright and place it in its intended location. Ensure it is stable and level.

Image: All components of the desk laid out, illustrating the 'Easy to Install' design with simple tools for quick setup.
Operating Instructions
Height Adjustment
The desk's height can be adjusted electrically between 71 cm and 119 cm. Use the UP (▲) and DOWN (▼) buttons on the control panel to move the desk to your desired height. The movement is smooth and quiet, operating at less than 50 dB.

Image: The desk's height adjustment range (71-119 cm) is demonstrated, allowing users to easily switch between sitting and standing positions.
Memory Presets
The control panel allows you to save up to three preferred height settings for quick recall:
- Set a Memory Position: Adjust the desk to your desired height using the UP/DOWN buttons.
- Press 'M': Press the 'M' button on the control panel. The display will flash.
- Select Preset Number: Within 3 seconds, press one of the numbered buttons (1, 2, or 3) to save the current height to that preset. The display will show 'S-1', 'S-2', or 'S-3' to confirm.
- Recall a Position: Simply press the corresponding numbered button (1, 2, or 3) to automatically move the desk to the saved height.

Image: A detailed view of the multifunctional control panel, showing the 'M' button for memory settings and three numbered preset buttons.
Additional Features
- Headphone Hook: A convenient hook is included for hanging headphones or bags, keeping your workspace tidy.
- Rounded Corners: The desktop features rounded corners for safety and comfort.

Image: The desk's 'Humanized Design' featuring rounded corners for safety and an integrated headphone hook for convenience.
Maintenance
To ensure the longevity and optimal performance of your TRIUMPHKEY Electric Sit-Stand Desk, follow these simple maintenance guidelines:
- Cleaning: Wipe the desktop and frame with a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Check Connections: Periodically check all screws and connections to ensure they remain tight and secure.
- Cable Inspection: Ensure all cables are free from kinks, pinches, or damage. Keep them organized to prevent interference with desk movement.
- Weight Limit: Do not exceed the maximum weight capacity of 80 kg to prevent damage to the motor and frame.
Troubleshooting
If you encounter any issues with your TRIUMPHKEY Electric Sit-Stand Desk, please refer to the following common solutions:
- Desk Not Moving:
- Check if the power cable is securely plugged into both the desk and a working power outlet.
- Ensure all motor cables are properly connected to the control box and control panel.
- If an error code appears on the display, refer to the full instruction manual for specific error code meanings and solutions.
- Uneven Movement:
- Ensure the desk is not overloaded and weight is evenly distributed.
- Perform a reset procedure (usually by holding the DOWN button until the lowest point is reached and then holding it again for a few seconds until a beep or slight movement confirms reset). Refer to your specific manual for exact reset instructions.
- Noise During Operation:
- A slight motor hum is normal. If the noise is excessive or unusual, check for any obstructions under the desk or loose components.
- The desk operates quietly, typically below 50 dB.

Image: A visual representation of the desk's quiet operation, indicating noise levels are maintained below 50dB.
Specifications
| Brand | TRIUMPHKEY |
| Model Number | 0788 |
| Desktop Dimensions (L x W) | 110 cm x 60 cm |
| Height Adjustment Range | 71 cm - 119 cm |
| Weight Capacity | Up to 80 kg |
| Noise Level | Below 50 dB |
| Frame Material | Industrial-grade Steel |
| Features | 3 Memory Presets, Headphone Hook, Rounded Corners |

Image: The desk's robust construction is highlighted, showing its dimensions (110x60cm, 71-119cm height) and an 80 kg weight capacity.
Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact the seller directly. The seller for this product is Triumphkey Store. Please retain your proof of purchase for any warranty claims.
