Introduction
Thank you for choosing the Brataste Wireless Indoor Outdoor Weather Station. This manual provides detailed instructions for setting up, operating, and maintaining your device to ensure optimal performance. This weather station offers accurate temperature and humidity readings, weather forecasts, an atomic clock, and more, all displayed on a clear 7.5-inch VA screen.

Figure 1: Brataste Wireless Weather Station Main Unit and Remote Sensor
Setup
1. Unboxing and Initial Power-Up
Carefully remove all components from the packaging. The package should include the main display unit, one wireless outdoor sensor, and a power adapter. Batteries for the main unit (for backup) and the outdoor sensor are not included and must be purchased separately (4 x AA batteries for the main unit, 2 x AA batteries for the sensor).
2. Powering the Main Unit
The main unit can be powered by either the AC/DC power adapter or by batteries. For continuous display illumination, it is recommended to use the power adapter. Insert 4 x AA batteries (not included) into the battery compartment as a backup to retain settings during power outages.

Figure 2: Powering the Main Unit with Adapter or Batteries
3. Powering the Wireless Outdoor Sensor
Insert 2 x AA batteries (not included) into the battery compartment of the wireless outdoor sensor. Ensure correct polarity. The sensor will automatically begin transmitting data.
4. Sensor Placement
Place the outdoor sensor in a shaded, dry location away from direct sunlight and precipitation for accurate readings. The sensor has a transmission range of up to 328 feet (100 meters) in open air. Avoid placing it near large metal objects or electronic devices that may interfere with the signal.

Figure 3: Optimal Placement for Wireless Outdoor Sensor
5. Automatic Synchronization
Once both units are powered, the main display unit will automatically search for the outdoor sensor signal. This may take a few minutes. Ensure both units are within range. The atomic clock feature will automatically connect to the WWVB signal for accurate time synchronization across 7 North American time zones (AST, EST, CST, MST, PST, AKT, HAT). Daylight Saving Time (DST) changes are also automatically updated.

Figure 4: Atomic Clock Synchronization and DST Functionality
Operating Instructions
1. Display Overview
The 7.5-inch high-definition VA screen provides a clear display of indoor/outdoor temperature and humidity, time, date, moon phase, and weather forecast. The screen offers higher contrast and is more energy-efficient than standard LCD screens.

Figure 5: Clear and Comprehensive 7.5-inch VA Display
2. Brightness Adjustment
The screen brightness can be adjusted to 5 different levels. Use the dedicated brightness button (often located on the top or side of the unit) to cycle through the settings to suit your preference and environment.

Figure 6: Adjusting Display Brightness for Optimal Viewing
3. Weather Forecast
The weather station calculates a forecast for the next 8 to 12 hours based on barometric pressure trends. It requires 7 to 10 days for initial barometric calibration to provide accurate local forecasts. The forecast is represented by intuitive icons (sunny, cloudy, rainy, stormy, snowy).

Figure 7: Weather Forecast Icons and Barometric Pressure Trend
4. Alarm Clocks
The device supports setting two independent alarm clocks. Refer to the detailed instructions in the user manual for setting specific alarm times and days (e.g., Monday-Friday, Saturday-Sunday).

Figure 8: Setting and Using the Dual Alarm Clocks
5. Indoor Comfort Indicator
The display includes a comfort indicator that visually represents the indoor humidity level, helping you maintain a comfortable and healthy indoor environment.

Figure 9: Understanding the Indoor Comfort Level
6. Moon Phases and Tide Indicator
The weather station displays 12 different moon phases and 3 types of tide indicators, providing additional environmental information.

Figure 10: Moon Phase and Tide Information
7. Outdoor Temperature Alert
Set customizable alerts for outdoor temperature ranges. If the temperature exceeds or falls below the set thresholds, the weather station will emit an alarm (three beeps continuously) to notify you.

Figure 11: Setting and Responding to Outdoor Temperature Alerts
8. Multi-Sensor Monitoring
The weather station supports up to three wireless outdoor sensors (additional sensors sold separately, Product ID B0DHRR5T5L). In cycle mode, the screen will display readings from Channel 1 to Channel 3 in turn. If only one sensor is connected, the screen will stop flickering when the cycle mode is canceled by pressing the 'CH' button.
9. USB Charging Port
The main unit features a USB output port (5V/1A) that can be used to charge other devices, adding convenience to your setup.

Figure 12: USB Charging Functionality
Maintenance
- Cleaning: Wipe the display and sensor with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Battery Replacement: Replace batteries in both the main unit and the outdoor sensor when the low battery indicator appears on the display. Ensure to use fresh AA batteries.
- Sensor Protection: While the outdoor sensor is designed for outdoor use, extreme weather conditions (heavy rain, snow, direct prolonged sunlight) may affect its lifespan. Consider placing it under a protective cover or in a sheltered area.
Troubleshooting
- No Outdoor Reading:
- Check if the outdoor sensor batteries are correctly installed and not depleted.
- Ensure the sensor is within the 328ft transmission range of the main unit.
- Reduce interference by moving the sensor or main unit away from other electronic devices or large metal objects.
- Press the 'CH' button on the main unit to manually search for the sensor signal.
- Incorrect Time/Date:
- Ensure the atomic clock function is enabled and the correct time zone is selected.
- If WWVB signal is weak, manually set the time and date using the settings buttons.
- Display Not Constantly Lit:
- If running on batteries, the display will only light up for 15 seconds after touching the top button to conserve power.
- For continuous illumination, connect the main unit to the power adapter.
- Inaccurate Weather Forecast:
- Allow 7-10 days for the barometric pressure sensor to calibrate to your local environment for more accurate forecasts.
Specifications
| Brand | Brataste |
| Model Number | 3378 |
| Display Type | 7.5-inch HD VA Screen |
| Power Source | AC/DC Power Adapter or Battery Powered (Main Unit: 4xAA, Sensor: 2xAA) |
| Special Features | Adjustable Brightness, Alarm, Atomic Clock, Customizable Alert, Large Display, Weather Forecast, Moon Phase, Tide Indicator, Indoor Comfort Indicator |
| Wireless Sensor Range | Up to 328 feet (100 meters) in open air |
| USB Output Port | 5V/1A |
| UPC | 774501946463 |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided in your product packaging or visit the official Brataste website. Keep your purchase receipt for warranty claims.
Official Product Video
Watch this official video for a visual guide on the Brataste Weather Station's features and setup.
Video 1: Brataste Weather Station Wireless Indoor Outdoor - An overview of the product's features and design.