Introduction
Thank you for choosing the Thomson CT600 Alarm Clock Weather Station. This device combines the functionality of an alarm clock with comprehensive weather monitoring, providing indoor and outdoor temperature, humidity, weather forecasts, and moon phases. Its color backlit display and dual alarm feature make it a versatile addition to any home. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
Safety Information
- Do not expose the main unit or outdoor sensor to extreme temperatures, direct sunlight, or excessive moisture.
- Avoid dropping the device or subjecting it to strong impacts.
- Do not attempt to disassemble or repair the unit yourself. Refer all servicing to qualified personnel.
- Use only specified batteries (2xAAA for main unit, 2xAAA for outdoor sensor) and ensure correct polarity.
- When using USB-C power, ensure the power adapter (not included) meets the specified voltage and current requirements (DC 5V, 0.6A).
- Keep batteries out of reach of children. Dispose of used batteries responsibly.
Package Contents
Please check the package contents to ensure all items are present:
- Thomson CT600 Alarm Clock Weather Station (Main Unit with wooden base)
- Wireless Outdoor Sensor
- USB-C Power Cord
- User Manual (this document)
Note: 2xAAA batteries for the main unit and 2xAAA batteries for the outdoor sensor are not included and must be purchased separately.
Product Overview
Familiarize yourself with the main components of your Thomson CT600 Weather Station.
Main Unit

Figure 1: Front view of the main unit, showcasing the vibrant display with all information segments.

Figure 2: Rear view of the main unit's base, highlighting the USB-C power input and control buttons for settings.
- Color Display: Shows time, date, day of week, indoor temperature and humidity, outdoor temperature and humidity, weather forecast icons, and moon phases.
- Wooden Base: Provides stable support and houses the control buttons and power input.
- Control Buttons: Located on the back of the base for setting time, alarm, dimmer, and channel selection.
- USB-C Port: For primary power supply.
- Battery Compartment: For backup power (2xAAA batteries).
Wireless Outdoor Sensor

Figure 3: The main unit alongside its wireless outdoor sensor.
- Temperature and Humidity Sensor: Measures outdoor conditions.
- Transmission Indicator: Light flashes when data is sent.
- Battery Compartment: Requires 2xAAA batteries.
Setup
1. Powering the Main Unit
- Insert 2xAAA batteries (not included) into the battery compartment on the back of the main unit. Ensure correct polarity (+/-). These batteries serve as backup power.
- Connect the supplied USB-C power cord to the USB-C port on the back of the main unit.
- Plug the other end of the USB-C cable into a compatible USB power adapter (not included) or a powered USB port. The display will light up.
2. Installing Batteries in the Outdoor Sensor
- Open the battery compartment on the back of the wireless outdoor sensor.
- Insert 2xAAA batteries (not included), observing the correct polarity.
- Close the battery compartment securely. The sensor will begin transmitting data.
3. Pairing the Outdoor Sensor
The main unit will automatically attempt to connect with the outdoor sensor upon initial power-up. The outdoor temperature and humidity will appear on the display once connected.
- Place the outdoor sensor within range of the main unit (typically up to 30 meters in open air). Avoid placing it in direct sunlight or rain. A shaded, sheltered location is ideal for accurate readings.
- If the outdoor readings do not appear, press and hold the "CH" button on the main unit to initiate a manual search for the sensor.
4. Initial Settings (Time, Date, Units)
After successful pairing, set the time, date, and preferred units.
- Press and hold the "L" button (likely for "SET" or "MODE") on the back of the main unit to enter time setting mode. The hour digit will flash.
- Use the "+" and "-" buttons to adjust the value.
- Press "L" again to confirm and move to the next setting (minute, 12/24h format, year, month, day, temperature unit °C/°F).
- Repeat steps 2 and 3 until all settings are configured.
- The device will automatically exit setting mode if no button is pressed for a few seconds.
Operating Instructions
Display Information
The color display provides a wealth of information at a glance:
- Time and Date: Current time (12/24h format), day of the week, month, and day.
- Indoor Temperature & Humidity: Measured by the main unit.
- Outdoor Temperature & Humidity: Received from the wireless sensor.
- Weather Forecast: Icons (sunny, cloudy, rainy, etc.) indicating predicted weather conditions.
- Moon Phases: Displays the current phase of the moon.
- Comfort Level Indicator: Shows if indoor humidity is dry, comfortable, or wet.
Alarm Settings
The device features a dual alarm function.
- Press the Alarm icon button (bell symbol) once to view Alarm 1 time. Press again to view Alarm 2 time.
- While viewing an alarm time, press and hold the Alarm icon button to enter alarm setting mode. The hour digit will flash.
- Use the "+" and "-" buttons to adjust the hour and minute.
- Press the Alarm icon button to confirm and move to the next setting.
- To activate/deactivate an alarm, press the Alarm icon button repeatedly until the alarm icon appears/disappears next to the alarm time.
- When the alarm sounds, press any button (except the snooze button) to stop it. Press the Snooze button (likely the "!" button or a dedicated top button) to activate snooze for a few minutes.
Dimmer Function
The display brightness can be adjusted to 4 intensities.
- Press the Dimmer button (likely the "!" button or a dedicated light icon button) repeatedly to cycle through the 4 brightness levels.
Temperature Unit Selection
You can switch between Celsius (°C) and Fahrenheit (°F).
- During time setting, you can select the temperature unit. Alternatively, there might be a dedicated button or a quick press of the "+" or "-" button in normal mode to toggle. Refer to the specific button layout on your device.
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 replace all batteries at the same time for optimal performance.
- Storage: If storing the device for an extended period, remove all batteries to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on main unit. | No power or low batteries. | Ensure USB-C power cord is properly connected. Check and replace AAA batteries in the main unit. |
| Outdoor temperature/humidity not displayed or inaccurate. | Sensor out of range, low sensor batteries, interference, or improper placement. |
|
| Time/Date is incorrect. | Not set correctly or power interruption. | Follow the "Initial Settings" section to reset time and date. |
| Alarm does not sound. | Alarm not activated or volume too low (if adjustable). | Ensure the alarm icon is displayed for the desired alarm. Check alarm settings. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | CT600 |
| Brand | THOMSON |
| Power Source (Main Unit) | USB-C (DC 5V, 0.6A) or 2xAAA batteries (not included) |
| Power Source (Outdoor Sensor) | 2xAAA batteries (not included) |
| Connectivity Technology | 433 MHz, 868 MHz (Wireless Sensor) |
| Temperature Precision | 1 °C |
| Special Features | Alarm Clock, Weather Forecast, Humidity Display, Moon Phases, Color Backlit Screen, Dimmer |
| Components Included | Weather Station Main Unit, Wireless Outdoor Sensor, USB-C Power Cord |
| Country of Origin | China |
Warranty and Support
THOMSON products are designed and manufactured to the highest quality standards. In the unlikely event of a problem with your product, please refer to the warranty information provided at the time of purchase or contact THOMSON customer support for assistance. Keep your proof of purchase for warranty claims.
For further support or inquiries, please visit the official THOMSON website or contact their customer service department.





