1. Introduction
This instruction manual provides essential information for the safe and effective use of your YUSTDA AC Power Cord Cable. This cable is designed to provide reliable power to compatible devices, including CYBERHOME CH DVD 402 Recorder and CH DVR models 750, 1500, 1530, and 2500. Please read this manual thoroughly before use and retain it for future reference.

Image 1.1: The YUSTDA AC Power Cord Cable, featuring a standard two-prong US plug on one end and a figure-8 (C7) connector on the other, designed for various electronic devices.

Image 1.2: The YUSTDA brand emblem, signifying a commitment to professional and safe power supply solutions.
2. Safety Information
To ensure safe operation and prevent damage, observe the following safety guidelines:
- Always ensure the power cord is fully inserted into both the wall outlet and the device's power input.
- Do not use the power cord if it is damaged, frayed, or has exposed wires.
- Avoid placing heavy objects on the power cord or bending it sharply.
- Keep the power cord away from water, heat sources, and direct sunlight.
- This power cord is equipped with multiple safety features including over current protection, total power protection, over voltage protection, and short circuit protection.
- Only use this power cord with compatible devices as specified.

Image 2.1: Illustration of the multiple safety protections integrated into YUSTDA power products, including safeguards against over-temperature, over-voltage, over-current, and short circuits.
3. Product Features and Design
The YUSTDA AC Power Cord Cable is engineered for reliability and durability:
- High Quality Construction: Manufactured with premium materials, including high-quality copper wire and a durable PVC insulation jacket.
- Standard Compatibility: Features a 2-prong USA standard power cable design (Type B plug) and a male-to-female connector gender.
- Optimal Length: The cable measures 6 feet (approximately 1.8 meters or 70.87 inches) for convenient placement.
- Certifications: Certified by FCC, CE, and RoHS, ensuring compliance with safety and environmental standards.

Image 3.1: Cross-section view illustrating the internal components of the power cable, highlighting the high-quality copper wire conductors and the protective PVC insulation jacket.

Image 3.2: Visual representation emphasizing the durable construction and compact form factor of YUSTDA power products, designed for longevity and convenience.
4. Setup and Installation
- Identify Device Port: Locate the power input port on your CYBERHOME CH DVD 402 Recorder or CH DVR (750, 1500, 1530, 2500). This port typically has a figure-8 shape.
- Connect to Device: Insert the figure-8 (C7) connector end of the YUSTDA AC Power Cord Cable firmly into the device's power input port.
- Connect to Power Outlet: Plug the 2-prong (Type B) end of the power cord into a standard wall AC power outlet.
- Verify Connection: Ensure both ends of the cable are securely connected.
5. Operating Instructions
Once the power cord is correctly installed, your device should receive power. Refer to your device's specific instruction manual for details on its operation. The YUSTDA AC Power Cord Cable functions as a direct power supply connection.
6. Maintenance
Proper maintenance ensures the longevity and safe operation of your power cord:
- Cleaning: Disconnect the power cord from the wall outlet and the device before cleaning. Wipe the cable with a dry, soft cloth. Do not use liquid cleaners.
- Storage: When not in use, store the power cord in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling or kinking the cable.
- Inspection: Periodically inspect the cable for any signs of damage, such as cuts, fraying, or discoloration. If damage is observed, discontinue use immediately and replace the cable.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Power cord not fully connected. | Ensure both ends of the power cord are securely plugged in. |
| Device does not power on. | Wall outlet is not supplying power. | Test the wall outlet with another working appliance. Check circuit breaker if necessary. |
| Device does not power on. | Power cord is damaged. | Inspect the power cord for visible damage. If damaged, replace it immediately. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | YUSTDA |
| Model (ASIN) | B0834KXHZF |
| Connector Gender | Male-to-Female |
| Plug Format | Type B (2-prong USA standard) |
| Item Length | 70.87 Inches (1.8 meters / 6 feet) |
| Total Power Outlets | 1 |
| Safety Features | Over current protection, Total power protection, Over voltage protection, Short Circuit Protection |
| Certifications | FCC, CE, RoHS |
| Compatible Devices | CYBERHOME CH DVD 402 Recorder, CH DVR 750, 1500, 1530, 2500 |
9. Warranty and Support
YUSTDA products are manufactured with high-quality materials and undergo rigorous quality control. For any questions, concerns, or support regarding your YUSTDA AC Power Cord Cable, please contact customer service.
Customer Support Email: epcustomerservice@yahoo.com
Please refer to your purchase documentation for specific warranty terms and conditions.