1. Introduction
Thank you for purchasing 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. Package Contents
- 1 x VOKSUN 3378QX Weather Station Main Unit
- 1 x Wireless Outdoor Sensor
- 1 x Power Adapter
- 1 x User Manual
3. Product Overview
Familiarize yourself with the main unit and outdoor sensor components.
Figure 3.1: Main Unit Front 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. Setup
4.1 Powering the Devices
The main unit can be powered by the included DC5V adapter or by batteries (not included). The outdoor sensor requires batteries for operation.
- Outdoor Sensor: Open the battery compartment on the back of the wireless sensor. Insert 2 x AA batteries (not included), ensuring correct polarity. Close the compartment.
- Main Unit:
- Adapter Power: 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.
- Battery Power: 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 Sensor Pairing
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. Operating Instructions
5.1 Display Functions
The large LCD screen displays various information:
- Indoor/Outdoor Temperature & Humidity: Current readings for both environments.
- Time & Date: Automatically updated via DCF.
- Weather Forecast: Icons indicating predicted weather conditions for the next 12 hours based on barometric pressure trends. Requires 7-10 days for accurate local calibration.
- Moon Phase & Tide: Displays current moon phase and tide indicator.
- Sunrise/Sunset Times: Based on your set location.
- Barometric Pressure: 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 Alarm Clock Functions
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.
5.3 Adjustable Backlight
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 Placement Options
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 Product Video
Video 5.1: An overview of the VOKSUN Weather Station with Outdoor Sensor, demonstrating its features and display.
6. Maintenance
- Cleaning: Wipe the display and casing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: 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).
- Sensor Placement: 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. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No outdoor temperature/humidity reading. | Sensor not paired or out of range; low sensor battery. | 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. |
| Time is incorrect or not updating. | 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). | Power-saving mode activated. | Touch the ☀ / ⏰ button to temporarily light up the screen. For continuous display, use the power adapter. |
| Inaccurate weather forecast. | 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. Specifications
- Model Number: 3378QX
- Brand: VOKSUN
- Dimensions: 3 x 20.5 x 13 cm (Main Unit)
- Weight: 620 grams
- Color: White
- Material: Polycarbonate (PC)
- Display Type: Color LCD
- Power Source: Main Unit: DC5V Adapter or 2 x AA Batteries (not included); Outdoor Sensor: 2 x AA Batteries (not included)
- Temperature Measurement Range:
- Indoor: -9.9°C to +50°C (+14°F to +122°F)
- Outdoor: -40°C to +70°C (-40°F to +158°F)
- Humidity Measurement Range: Indoor & Outdoor: 20%RH to 95%RH
- Wireless Transmission Range: Up to 60 meters (200 feet) in open areas
- Special Features: Large display, adjustable brightness, wireless sensor, DCF atomic clock, dual alarm, moon phase, weather forecast, comfort indicator, mold risk alert, frost warning.
9. Warranty and Support
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.
