1. Introduction
Merci pour votre achatasing the VOKSUN 3378QX Wireless Weather Station. This device provides comprehensive weather information including indoor and outdoor temperature and humidity, a digital barometer, moon phase, and weather forecasts. It also features a DCF radio-controlled clock, alarm functions, and an adjustable color LCD backlight for optimal readability. This manual will guide you through the setup, operation, and maintenance of your weather station.
2. Contenu du colis
- 1 x VOKSUN 3378QX Weather Station Main Unit
- 1 x capteur extérieur sans fil
- 1 x adaptateur secteur
- 1 x Manuel d'utilisation
3. Produit terminéview
Familiarize yourself with the main unit and outdoor sensor components.

Figure 3.1 : Avant de l'unité principale View. Displays various weather data and time.

Figure 3.2 : Main Unit Rear View with foldable stand and battery compartment.

Figure 3.3 : Wireless Outdoor Sensor. Measures external temperature and humidity.
4. Installation
4.1 Alimentation des appareils
The main unit can be powered by the included DC5V adapter or by batteries (not included). The outdoor sensor requires batteries for operation.
- Capteur extérieur : Open the battery compartment on the back of the wireless sensor. Insert 2 x AA batteries (not included), ensuring correct polarity. Close the compartment.
- Unité principale :
- Alimentation de l'adaptateur : Connect the DC5V adapter to the main unit and plug it into a power outlet. The display will remain constantly lit, except during the RCC signal search period.
- Puissance de la batterie : Open the battery compartment on the back of the main unit. Insert 2 x AA batteries (not included), ensuring correct polarity. Close the compartment. When powered by batteries, the display will automatically turn off after 15 seconds to save power. Touch the “ ☀ / ⏰ ” button to temporarily light up the screen.

Figure 4.1 : Power Supply Options for Main Unit and Sensor.
4.2 Appairage des capteurs
The main unit automatically synchronizes with the outdoor sensor. Ensure both devices are powered on and within range (up to 60 meters / 200 feet in open areas). The main unit supports up to three wireless outdoor sensors simultaneously.

Figure 4.2 : Multiple Sensor Connectivity.
4.3 DCF Radio Control Clock (RCC) Synchronization
The weather station automatically synchronizes its date and time via DCF radio waves. After restarting, the DCF signal synchronization will occur automatically within approximately 7 minutes. The RCC function also handles automatic daylight saving time (DST) adjustments.

Figure 4.3 : DCF Automatic Time Synchronization.
5. Mode d'emploi
5.1 Fonctions d'affichage
The large LCD screen displays various information:
- Température et humidité intérieures/extérieures : Lectures actuelles pour les deux environnements.
- Heure Date: Automatically updated via DCF.
- Prévisions météorologiques: Icons indicating predicted weather conditions for the next 12 hours based on barometric pressure trends. Requires 7-10 days for accurate local calibration.
- Phases de la lune et marées : Displays current moon phase and tide indicator.
- Heures de lever et de coucher du soleil : Based on your set location.
- Pression barométrique: Both absolute and relative pressure readings.
- Comfort & Mold Risk Indicator: Visual icons to indicate indoor comfort levels and potential mold risk.

Figure 5.1 : Multi-function Display.

Figure 5.2 : 12-Hour Weather Forecast Icons.

Figure 5.3 : Comfort Indicator.

Figure 5.4 : Relative and Absolute Pressure Display.
5.2 Fonctions du réveil
The weather station supports two independent alarm groups. You can set alarms for weekdays (Monday-Friday), weekends (Saturday-Sunday), or both. A snooze function is available, allowing for a delayed reminder after the alarm sounds (5 to 60 minutes).

Figure 5.5 : Dual Alarm Clock Functionality.
Rétroéclairage réglable de 5.3 pouces
The main unit features a multi-layered adjustable backlight to improve readability in various lighting conditions. Adjust the brightness to your preference using the dedicated button.
5.4 Temperature Alerts & Frost Warning
The device can be set to alert you to specific indoor and outdoor temperature ranges. Additionally, a frost warning alarm activates when the outdoor sensor temperature is between -1°C (+30°F) and +3°C (+37°F), with a flashing frost icon.

Figure 5.6 : Frost Warning Feature.
5.5 Options de placement
The main unit can be placed on a desk using its integrated stand or mounted on a wall.

Figure 5.7 : Desk and Wall Mounting Options.
5.6 Vidéo du produit
Vidéo 5.1: Un plusview of the VOKSUN Weather Station with Outdoor Sensor, demonstrating its features and display.
6. Entretien
- Nettoyage: Essuyez l'écran et casinNettoyez avec un chiffon doux et sec. N’utilisez pas de nettoyants abrasifs ni de solvants.
- Remplacement de la batterie : Replace batteries in both the main unit and outdoor sensor when the low battery indicator appears on the display. Ensure to use fresh batteries of the correct type (AA).
- Emplacement du capteur : For optimal performance, place the outdoor sensor in a shaded, dry location, protected from direct sunlight and rain, to ensure accurate temperature and humidity readings.
7. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Aucune mesure de température/humidité extérieure. | Capteur non apparié ou hors de portée ; batterie du capteur faible. | Ensure sensor batteries are fresh. Re-pair the sensor by pressing the “CH” button on the main unit and the “TX” button on the sensor. Move sensor closer to the main unit. |
| L'heure est incorrecte ou ne se met pas à jour. | DCF signal interference or weak signal. | Move the main unit away from electronic devices that may cause interference. Place the unit near a window. Allow up to 24 hours for signal acquisition. Manually set time if necessary. |
| Display is dim or off (battery power). | Mode économie d'énergie activé. | Touch the ☀ / ⏰ button to temporarily light up the screen. For continuous display, use the power adapter. |
| Prévisions météorologiques inexactes. | Initial calibration period not complete; local atmospheric conditions vary. | Allow 7-10 days for the station to calibrate to local barometric pressure trends. Weather forecasts are predictions and may not always be 100% accurate. |
8. Spécifications
- Numéro de modèle : 3378QX
- Marque: VOKSU
- Dimensions: 3 x 20.5 x 13 cm (Unité principale)
- Poids: 620 grammes
- Couleur: Blanc
- Matériel: Polycarbonate (PC)
- Type d'affichage : Écran LCD couleur
- Source d'alimentation : Main Unit: DC5V Adapter or 2 x AA Batteries (not included); Outdoor Sensor: 2 x AA Batteries (not included)
- Plage de mesure de température:
- Indoor: -9.9°C to +50°C (+14°F to +122°F)
- Outdoor: -40°C to +70°C (-40°F to +158°F)
- Plage de mesure de l'humidité : Indoor & Outdoor: 20%RH to 95%RH
- Portée de transmission sans fil : Jusqu'à 60 mètres (200 pieds) en espaces ouverts
- Caractéristiques spéciales : Large display, adjustable brightness, wireless sensor, DCF atomic clock, dual alarm, moon phase, weather forecast, comfort indicator, mold risk alert, frost warning.
9. Garantie et assistance
VOKSUN products are designed for reliability and performance. For warranty information, please refer to the documentation provided with your purchase or contact your retailer. If you encounter any issues or require technical assistance, please contact VOKSUN customer support through the retailer's platform or the official VOKSUN website. Please have your model number (3378QX) and purchase details ready when contacting support.