1. Introduction
This manual provides essential instructions for the safe and effective use of your DPVR E3-C PC Tethered VR Headset. Please read this manual thoroughly before operating the device and retain it for future reference.

Image 1.1: The DPVR E3-C PC Tethered VR Headset, featuring a sleek design with a hardband for a secure fit.
Important Notice: The DPVR E3-C model has been discontinued as of August 31st. The E4C model serves as an upgraded version and can seamlessly replace it. This manual pertains specifically to the E3-C model.

Image 1.2: Official notice regarding the discontinuation of the E3-C model and recommendation for the E4C as a replacement.
2. Safety Information
- Ensure a clear and safe play area to prevent accidents while using the VR headset.
- Take regular breaks to avoid eye strain and discomfort.
- Do not expose the headset to direct sunlight or extreme temperatures.
- Keep the device away from liquids and moisture.
- Consult a physician before use if you have pre-existing medical conditions, especially those related to vision, balance, or epilepsy.
- This device is intended for adult use.
3. Package Contents
Verify that all items are present in the package:
- DPVR E3-C PC Tethered VR Headset (Hardband)
- Connection Cable (5 meters long)
- Comfort Kit (face liner, nose guard, soft face foam)
- User Manual (this document)

Image 3.1: The DPVR E3-C VR Headset shown alongside its 5-meter connection cable, which includes HDMI and USB connectors.
4. Setup Instructions
4.1 System Requirements
To ensure optimal performance, your PC must meet the following minimum requirements:
- Operating System: Windows
- Connectivity: HDMI, USB
- Compatible Devices: Personal Computer
- Refer to specific VR application requirements for detailed GPU and CPU specifications.
4.2 Connecting the Headset
- Connect the HDMI cable from the headset to your PC's graphics card HDMI port.
- Connect the USB cable from the headset to an available USB port on your PC.
- Ensure all connections are secure.
4.3 Software Installation
- Download and install the DPVR Assistant software from the official DPVR website.
- Follow the on-screen instructions to complete the installation.
- Launch the DPVR Assistant and follow the prompts for initial headset setup and calibration.
- The headset supports SteamVR. Ensure SteamVR is installed and configured on your PC.
5. Operating the Headset
5.1 Wearing the Headset
- Place the headset on your head, ensuring the hardband rests comfortably.
- Adjust the head strap for a snug but not overly tight fit. The one-size-fits-all head strap is adjustable.
- Position the headset so the display is clear and centered in your vision. The headset is designed for quick fitting without additional adjustment.
- If wearing glasses, the headset offers glassed support.

Image 5.1: Illustration of the DPVR E3-C headset's hard head strap and its quick adjustment feature, highlighting the IPD range of 54mm-74mm.
5.2 Adjusting IPD (Interpupillary Distance)
The DPVR E3-C features an IPD range of 54mm-74mm. Adjust the IPD settings within the DPVR Assistant software or your VR platform settings to match your eye distance for optimal visual clarity and comfort.
5.3 Using the Microphone and Audio
- The headset has a built-in microphone for communication in virtual environments.
- For audio output, connect headphones or earbuds to the 3.5mm external audio port on the headset.
5.4 Starting VR Experiences
- Ensure the headset is properly connected and recognized by your PC and DPVR Assistant.
- Launch your desired VR application or game through SteamVR or other compatible platforms.
- Follow the in-application instructions for navigation and interaction.
6. Maintenance and Care
6.1 Cleaning the Lenses
- Use a dry, non-abrasive microfiber cloth specifically designed for optical lenses.
- Gently wipe the lenses in a circular motion to remove dust and smudges.
- Do not use liquid cleaners, alcohol, or abrasive materials, as these can damage the lenses.
6.2 Cleaning the Headset Body and Face Liner
- Wipe the exterior of the headset with a soft, damp cloth. Avoid getting moisture into any openings.
- The comfort kit includes a face liner and soft face foam. These can be gently cleaned with a mild, non-abrasive cleaner and allowed to air dry completely before reattaching.
6.3 Storage
- Store the headset in a cool, dry place away from direct sunlight.
- Protect the lenses from scratches by storing the headset in its original packaging or a protective case.
7. Troubleshooting
7.1 No Display / Black Screen
- Ensure the HDMI cable is securely connected to both the headset and your PC's graphics card.
- Verify that your graphics card drivers are up to date.
- Check if the headset is recognized by the DPVR Assistant software.
- Restart your PC and the headset.
7.2 Headset Not Detected
- Confirm the USB cable is properly connected to a functioning USB port on your PC.
- Try a different USB port.
- Reinstall the DPVR Assistant software.
7.3 Blurry Vision / Discomfort
- Adjust the head strap for a comfortable and secure fit.
- Clean the lenses as described in the Maintenance section.
- Adjust the IPD settings in the software to match your interpupillary distance.
- Take a break if you experience prolonged discomfort.
8. Specifications

Image 8.1: Detailed comparison table highlighting specifications for DPVR E4C, E3C, and E3S models.
| Feature | Specification |
|---|---|
| Model Name | DPVR E3-C |
| Display Type | High-Precision LCD |
| Display Size | 5.5 inch |
| Resolution | 3840 x 2160 (4K) |
| Pixels Per Inch (PPI) | 818 PPI |
| Field of View (FOV) | 110 Degrees |
| Latency | 16ms (Low Latency) |
| Lens Type | Fresnel Lens |
| Interpupillary Distance (IPD) Range | 54mm-74mm |
| Head Strap | Hardband, Adjustable |
| Weight | Approximately 300 Grams (Headset only) |
| Connectivity Technology | HDMI, USB (5-meter cable) |
| Audio | Built-in Microphone, 3.5mm External Audio Port |
| Special Features | TUV Low Blue Light Certificated, Glassed Support, Ergonomic Design, Comfort Kit |
| Operating System | Windows |
| Compatible Platforms | SteamVR |
| Dimensions (Package) | 13.66 x 10.24 x 6.14 inches |
9. Warranty Information
Specific warranty details for the DPVR E3-C VR Headset are typically provided with your purchase documentation. Please refer to the warranty card or contact DPVR customer support for information regarding warranty coverage, terms, and conditions.
Protection plans may be available for purchase separately. Please check with your retailer for options such as 2-Year or 3-Year Protection Plans.
10. Customer Support
For technical assistance, troubleshooting, or further inquiries, please visit the official DPVR website or contact their customer support team. You can often find FAQs, driver downloads, and contact information on the manufacturer's support pages.
DPVR Official Website: www.dpvr.com (Please verify the actual URL for the most current information.)



