Introducció
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.
Què hi ha a la caixa
Verifiqueu que tots els components que s'enumeren a continuació s'inclouen al paquet:
- Ascent Lite VTX
- Lite Antenna
- VTX Upgrade Cable
- Lite VTX Power Cable
- Screws & Gasket
- Manual d'usuari (aquest document)

Figure 1: Included Components of the Ascent Lite VTX Kit.
Producte acabatview
The CADDXFPV Walksnail Ascent Lite VTX Kit is a digital video transmission system designed for FPV applications, offering high-quality video and reliable performance.
Característiques principals:
- HD 1080P/60FPS Video: Captura imatges nítides i detalladestage with a 1/1.8-inch sensor.
- Camp ultra ample de 147° View (FOV): Provides expansive coverage for immersive FPV experiences.
- Capacitat de visió nocturna: Visibilitat millorada en condicions de poca llum.
- Stable 3KM Digital Video Transmission: Ensures consistent, long-range signal reliability.
- Latència ultrabaixa de 35 ms: Delivers fast, responsive visuals for precise control.
- Disseny compacte i lleuger: Weighs only 6g, minimizing impact on drone performance.
- Àmplia compatibilitat: 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.
Instruccions de configuració
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): Per a la comunicació de dades.
- UART TX (Connects to Flight Controller RX): Per a la comunicació de dades.
- USB-DP, USB-DN, USB-GND, USB-5V: For VTX upgrades and configuration via USB.

Figure 7: Ascent Lite VTX Wiring Diagram.
2. Instal·lació d'antenes
Securely attach the Lite Antenna to the VTX. Ensure the connection is firm to prevent signal loss during flight.
3. Muntatge
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.
Instruccions de funcionament
1. Encès
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.
Manteniment
To ensure the longevity and optimal performance of your Ascent Lite VTX Kit, follow these maintenance guidelines:
- Neteja: Keep the VTX and camera lens clean from dust and debris. Use a soft, dry cloth for cleaning. Avoid harsh chemicals.
- Inspeccions: Regularly check all cable connections for wear or damage. Ensure the antenna is securely attached.
- Actualitzacions de firmware: Consulteu periòdicament el registre oficial de 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.
- Emmagatzematge: Store the kit in a dry, cool environment away from direct sunlight and extreme temperatures when not in use.
Resolució de problemes
If you encounter issues with your Ascent Lite VTX Kit, refer to the following common problems and solutions:
- Sense senyal de vídeo:
- 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.
- Poor Video Quality/Interference:
- Check for physical obstructions between the VTX and goggles.
- Ensure the antenna is not damaged or bent.
- Eviteu operar a prop de fonts d'interferència electromagnètica fortes.
- Consider changing the channel if available and supported by your goggles.
- VTX Not Powering On:
- Verify the power input voltage is within the specified range (3V~12.6V).
- Check for any short circuits or incorrect wiring.
Especificacions
| Característica | Detall |
|---|---|
| Marca | CADDXFPV |
| Nom del model | Ascent Lite Kit |
| Número de model | WN13-4S09B-1-US |
| Resolució de vídeo | 1080P / 60FPS |
| Camp de View (FOV) | 147° |
| Mida del sensor | 1/1.8 polzades |
| Latència | 35 ms |
| Rang de transmissió | Fins a 3 km |
| Pes de l'article | 9.07 g (Total kit, VTX is 6g) |
| Item Dimensions (VTX) | 0.93 x 0.93 x 0.59 polzades (aprox. 23.6 x 23.6 x 15 mm) |
| Material de tancament | Plàstic |
| Dispositius compatibles | Walksnail Ascent systems |

Figure 8: Physical Dimensions of the Ascent Lite VTX Components.
Compatibilitat
The Ascent Lite Kit is designed for specific compatibility to ensure optimal performance:
- Directly Compatible: Walksnail Ascent Goggles, FPV Monitors (requires HDMI input).
- Compatibilitat del sistema: Designed exclusively for use with Ascent systems.
- Flight Controller Compatibility: 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.
Garantia i Suport
Informació de la garantia:
The CADDXFPV Walksnail Ascent Lite VTX Kit comes with a 1 anys de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació en condicions d'ús normal. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
Atenció al client:
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.
Recursos en línia: CADDXFPV Official Weblloc