1. Introduction
The FanJu FJ3373 is a multi-function digital weather station alarm clock designed to provide comprehensive environmental data for your home. It features thermometer, hygrometer, and barometer functions, along with a wireless outdoor sensor to predict future weather conditions. Beyond its weather capabilities, it also functions as a digital clock with calendar and alarm features, making it a versatile tool and a modern home decor item. This manual provides detailed instructions for setting up, operating, and maintaining your device.
2. Product Overview
2.1 Key Features
- Multi-functional Display: Shows weather forecast, moon phase, indoor/outdoor temperature and humidity, barometric pressure, and time/calendar.
- Perpetual Calendar: Displays date up to the year 2099.
- Multi-language Day of Week: User-selectable in 7 languages: English, German, Italian, French, Spanish, Dutch, and Danish.
- Time Format: Optional 12/24 hour display.
- Alarm Clock: Includes an alarm with snooze function.
- Comfort Display: Indicates indoor comfort level with 5 distinct levels based on temperature and humidity.
- Outdoor Sensor: Wireless sensor with 433.92MHz RF transmitting frequency and up to 60 meters (open area) transmission range.
- RF Through the Wall Technology: Allows the outdoor sensor to transmit data to the main station through walls.
- Temperature Alerts: Features outdoor high/low temperature and frost alerts.
- Power Options: Main unit can be powered by 2x LR6 AA batteries or a DC 5V USB power adapter (USB cord included, charging head not included). Outdoor sensor requires 2x LR6 AA batteries.
2.2 Package Contents
- 1 x FanJu FJ3373 Weather Station (Main Unit)
- 1 x Wireless Outdoor Sensor
- 1 x USB Power Cord
- 1 x User Manual (English, German, French, Italian, Spanish)
2.3 Component Identification
Part A - Positive LCD (Main Unit Front Display):
- A1: Weather Forecasting
- A2: Barometric pressure
- A3: Outdoor Temperature
- A4: Indoor Temperature
- A5: Outdoor Humidity
- A6: Indoor Humidity
- A7: Time/Calendar or Alarm time
- A8: Time Moon Phase
Part B - Back Button and Power (Main Unit Rear):
- B1: "SNOOZE/LIGHT" touch field
- B2: Keypad (for settings)
- B3: Battery compartment
- B4: Support frame
- B5: Power supply socket (DC 5V)
Part C - Wireless Outdoor Sensor:
- C1: LCD display - Temperature
- C2: LCD display - Humidity
- C3: Transmit signal LED
- C4: "C/F" button (for temperature unit)
- C5: "TX" button (for manual transmission)
- C6: Battery compartment
3. Setup Instructions
3.1 Powering the Devices
- Install Batteries in Outdoor Sensor: Open the battery compartment (C6) on the wireless outdoor sensor and insert 2x LR6 AA batteries, observing correct polarity (+/-).
- Power the Main Unit:
- Battery Power: Open the battery compartment (B3) on the back of the main unit and insert 2x LR6 AA batteries, observing correct polarity (+/-).
- USB Power (Recommended for continuous use): Connect the provided USB power cord to the power supply socket (B5) on the main unit and plug the other end into a DC 5V USB power adapter (not included).
- Initial Synchronization: The main unit and outdoor sensor should automatically synchronize. If not, press the "TX" button (C5) on the outdoor sensor to manually send a signal.
3.2 Placement
- Main Unit: The main unit can be placed on a table using its support frame (B4) or mounted on a wall. Choose a central location indoors for optimal indoor readings and visibility.
- Outdoor Sensor: Place the wireless outdoor sensor outside in a location protected from direct sunlight and rain, but where it can still accurately measure ambient temperature and humidity. The sensor can be wall-mounted or placed on a flat surface. Ensure it is within 60 meters (in an open area) of the main unit for reliable signal transmission. The "RF Through the Wall Technology" allows for data transmission even with walls between the units.
4. Operating Instructions
4.1 Basic Display Information
Once powered on and synchronized, the main unit's LCD will display the following information:
- Outdoor Section: Outdoor temperature (A3), Outdoor humidity (A5), and their respective trends.
- Forecast Section: Weather forecast (A1), Barometric pressure (A2) and its trend, Date and week indicator (part of A7), Moon phase (A8).
- Indoor Section: Indoor temperature (A4), Indoor humidity (A6) and their respective trends, Comfort Display.
- Time Section: Current time (A7) and calendar.
4.2 Setting Time and Date
Use the keypad (B2) on the back of the main unit to access and adjust time and date settings. Refer to the included multi-language user manual for specific button sequences for setting the time, date, year, and day of week language.
4.3 Setting Alarm
The keypad (B2) also allows you to set the alarm time. The "SNOOZE/LIGHT" touch field (B1) can be used to temporarily silence the alarm or activate the backlight.
4.4 Temperature Unit Selection
On the wireless outdoor sensor, press the "C/F" button (C4) to switch between Celsius (℃) and Fahrenheit (℉) temperature units. The main unit will update accordingly.
4.5 Backlight
Touch the "SNOOZE/LIGHT" field (B1) on the top of the main unit to activate the backlight for better visibility in low-light conditions.
5. Maintenance
- Cleaning: Wipe the main unit and sensor 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 LR6 AA batteries and observe correct polarity.
- Environmental Conditions: Avoid exposing the devices to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture, especially the main unit.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on main unit | Batteries are dead or incorrectly inserted; USB power not connected or faulty. | Check battery polarity and replace if necessary. Ensure USB power cord is securely connected to a working adapter. |
| Outdoor temperature/humidity not displayed or incorrect | Outdoor sensor batteries dead; sensor out of range; interference; sensor not synchronized. | Replace outdoor sensor batteries. Move sensor closer to main unit (within 60m in open area). Avoid placing near large metal objects or electronics. Press "TX" button (C5) on sensor to force re-synchronization. |
| Inaccurate readings | Sensor exposed to direct sunlight/rain; poor ventilation. | Relocate outdoor sensor to a shaded, well-ventilated area. Ensure main unit is not near heat sources or vents. |
| Alarm not sounding | Alarm not set or volume too low (if adjustable). | Verify alarm settings using the keypad (B2). |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | FanJu |
| Model | FJ3373 |
| Main Material | ABS |
| Screen Type | Positives LCD |
| Indoor Temperature Range | -10℃ ~ +50℃ (14℉ ~ 122℉) |
| Outdoor Temperature Range | -20℃ ~ +60℃ (-4℉ ~ 140℉) |
| Temperature Accuracy | 0.1℃ |
| Humidity Range | 20%RH ~ 95%RH |
| Humidity Accuracy | 1%RH |
| Barometric Pressure Range | 600hPa/mb ~ 1100hPa/mb |
| Barometric Pressure Accuracy | 1hPa/mb |
| Wireless Transmission Frequency | 433.92MHz RF |
| Wireless Transmission Range | Up to 60 meters (open area) |
| Main Unit Power Supply | 2x LR6 AA batteries or DC 5V USB power adapter |
| Outdoor Sensor Power Supply | 2x LR6 AA batteries |
| Weather Station Size | 16.7 x 12.9 x 3 cm (6.6 x 5.1 x 1.2 inches) |
| Outdoor Sensor Size | 9.6 x 5 x 3.4 cm (3.8 x 2 x 1.3 inches) |
| Item Weight | 460g (16.2 oz) |
8. User Tips
- For consistent readings, ensure the outdoor sensor is placed in a location that avoids direct sunlight and is protected from rain and snow.
- If using battery power, consider using high-quality alkaline batteries for longer life.
- When setting up, place the outdoor sensor and main unit close to each other initially to ensure successful pairing, then move the sensor to its desired outdoor location.
- The USB power option for the main unit is ideal for continuous display without worrying about battery life.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
