Indledning
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your CADDXFPV Walksnail Ascent Lite VTX Kit. Please read this manual thoroughly before using the product to ensure proper setup and optimal performance. This kit is designed for FPV drone and RC hobbyists seeking a high-definition digital video transmission system.
Hvad er der i æsken
Bekræft, at alle komponenterne nedenfor er inkluderet i din pakke:
- Ascent Lite VTX
- Lite Antenna
- VTX Upgrade Cable
- Lite VTX Power Cable
- Screws & Gasket
- Brugervejledning (dette dokument)

Figure 1: Included Components of the Ascent Lite VTX Kit.
Produkt overview
The CADDXFPV Walksnail Ascent Lite VTX Kit is a digital video transmission system designed for FPV applications, offering high-quality video and reliable performance.
Nøglefunktioner:
- HD 1080P/60FPS Video: Captures sharp, detailed footage with a 1/1.8-inch sensor.
- 147° ultrabredt felt af View (FOV): Provides expansive coverage for immersive FPV experiences.
- Nattesynsevne: Forbedret synlighed under forhold med svagt lys.
- Stable 3KM Digital Video Transmission: Ensures consistent, long-range signal reliability.
- 35ms ultralav latenstid: Delivers fast, responsive visuals for precise control.
- Kompakt og let design: Weighs only 6g, minimizing impact on drone performance.
- Bred kompatibilitet: Integrates with F4/F7/H7 flight controllers and firmware like Betaflight, INAV, and ArduPilot via a 4-pin UART connection.

Figure 2: Wide 147° FOV and 1080P/60FPS HD Video Capture.

Figure 3: Enhanced Night Vision Performance.

Figure 4: 3km Range and 35ms Low Latency Transmission.

Figure 5: Ultra-Lightweight 6g Design.

Figure 6: Versatile FPV Applications.
Opsætningsinstruktioner
1. Wiring the VTX
Connect the Ascent Lite VTX to your flight controller using the provided VTX Power Cable and VTX Upgrade Cable. Ensure correct polarity and pin assignments as shown in the wiring diagram below.
- Power (3V~12.6V): Connect to a suitable power source on your flight controller.
- Power GND: Connect to ground on your flight controller.
- UART RX (Connects to Flight Controller TX): Til datakommunikation.
- UART TX (Connects to Flight Controller RX): Til datakommunikation.
- USB-DP, USB-DN, USB-GND, USB-5V: For VTX upgrades and configuration via USB.

Figure 7: Ascent Lite VTX Wiring Diagram.
2. Installation af antenne
Securely attach the Lite Antenna to the VTX. Ensure the connection is firm to prevent signal loss during flight.
3. Montering
Mount the VTX and camera securely on your FPV drone or RC vehicle using the provided screws and gasket. Ensure the camera has a clear line of sight and is protected from impacts.
Betjeningsvejledning
1. Tænd
After completing the wiring and mounting, connect the battery to your drone. The VTX will power on, and the indicator light will show its status.
2. Pairing with Goggles
To establish a video link, you need to pair the Ascent Lite VTX with compatible FPV goggles (e.g., Walksnail Ascent Goggles).
- Connect the VTX and goggles to their respective power supplies.
- Press the linking button on the VTX. The VTX indicator light will flash green, and a status icon will appear on the goggle screen.
- Press the linking button on the goggles. The goggle indicator light will flash green.
- Once pairing is successful, the VTX indicator turns solid green, and the goggle screen will display the video feed.
Opretholdelse
To ensure the longevity and optimal performance of your Ascent Lite VTX Kit, follow these maintenance guidelines:
- Rensning: Keep the VTX and camera lens clean from dust and debris. Use a soft, dry cloth for cleaning. Avoid harsh chemicals.
- Inspektioner: Regularly check all cable connections for wear or damage. Ensure the antenna is securely attached.
- Firmwareopdateringer: Tjek regelmæssigt den officielle CADDXFPV website for firmware updates. Keeping your VTX firmware current can improve performance and add new features. Use the provided VTX Upgrade Cable for updates.
- Opbevaring: Store the kit in a dry, cool environment away from direct sunlight and extreme temperatures when not in use.
Fejlfinding
If you encounter issues with your Ascent Lite VTX Kit, refer to the following common problems and solutions:
- Intet videosignal:
- Check all power connections to the VTX and goggles.
- Ensure the VTX and goggles are properly paired.
- Verify the antenna is securely connected to the VTX.
- Confirm that the camera cable is correctly attached to the VTX.
- Dårlig videokvalitet/interferens:
- Check for physical obstructions between the VTX and goggles.
- Ensure the antenna is not damaged or bent.
- Avoid operating near strong electromagnetic interference sources.
- Consider changing the channel if available and supported by your goggles.
- VTX tænder ikke:
- Verify the power input voltage er inden for det specificerede område (3V~12.6V).
- Check for any short circuits or incorrect wiring.
Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | CADDXFPV |
| Modelnavn | Ascent Lite Kit |
| Modelnummer | WN13-4S09B-1-US |
| Video opløsning | 1080P / 60FPS |
| Felt af View (FOV) | 147° |
| Sensor størrelse | 1/1.8 tommer |
| Latency | 35 ms |
| Transmission Range | Op til 3 km |
| Varens vægt | 9.07 g (Total kit, VTX is 6g) |
| Item Dimensions (VTX) | 0.93 x 0.93 x 0.59 tommer (ca. 23.6 x 23.6 x 15 mm) |
| Indkapslingsmateriale | Plast |
| Kompatible enheder | Walksnail Ascent systems |

Figure 8: Physical Dimensions of the Ascent Lite VTX Components.
Kompatibilitet
The Ascent Lite Kit is designed for specific compatibility to ensure optimal performance:
- Directly Compatible: Walksnail Ascent Goggles, FPV Monitors (requires HDMI input).
- Systemkompatibilitet: Designed exclusively for use with Ascent systems.
- Kompatibilitet med flycontrollere: Integrates with F4/F7/H7 flight controllers and firmware such as Betaflight, INAV, and ArduPilot via a 4-pin UART connection.
- Not Directly Compatible: Avatar Goggles L. It does not directly support Avatar or other third-party FPV systems, but can be used with them when paired with the Ascent VRX.

Figure 9: Ascent Lite VTX Kit Compatibility Overview.
Garanti og support
Garantioplysninger:
The CADDXFPV Walksnail Ascent Lite VTX Kit comes with a 1-års garanti fra købsdatoen. Denne garanti dækker fabrikationsfejl ved normal brug. Gem venligst din købsbevis i tilfælde af garantikrav.
Kundesupport:
For technical assistance, troubleshooting, or warranty inquiries, please visit the official CADDXFPV website or contact their customer support. You can often find FAQs, firmware downloads, and contact information on their support pages.
Online ressourcer: CADDXFPV Officiel Webwebsted