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La Crosse Technology 308-146 Instruction Manual

Wireless color forecast station
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The Wireless Color Forecast Station features atomic time, weather forecast, indoor and outdoor
temperature/humidity as well as heat index and dew point, on a stylish, colorful, and easy to read display.
It has a USB charging port to charge your smartphone or other device. Transmission range of over 200
feet (60 meters) in open air, from transmitter to forecast station.

Wireless Color Forecast Station

Outdoor Temperature ºF/ºC,
Humidity RH %
+ Channel Indicator
Get Support:


Step 1: Insert the included 5-volt AC power adapter into forecast station and then into wall outlet.
Step 2: Insert 3 new "AA" batteries (not included) into the forecast station. Observe the correct polarity.
Step 3: Insert 2 new "AA" batteries (not included) into the outdoor transmitter. Observe the correct
polarity. The red LED will flash when transmitting.
Do Not Mix Old and New Batteries
Do Not Mix Alkaline, Standard, Lithium or Rechargeable Batteries
If the outdoor temperature is not displayed after 3 minutes, unplug the AC adapter and remove
batteries from the forecast station & transmitter for 15 minutes.
Return to Step 1 above.
The LCD backlight and USB charging port will momentarily turn off while the station searches for the
atomic signal. After the initial search, this station will only search for the atomic signal after midnight.
Model: 308-146/308146W
NOTE: This forecast station is sold
with one TX142TH sensor or one
TX14TH sensor. Either sensor
may be used interchangeably.
Model: 308-146/308-146W
Instruction Manual
Indoor Temperature ºF/ºC
+ Humidity RH%
Date +



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  Summary of Contents for La Crosse Technology 308-146

  • Page 1: Wireless Color Forecast Station

    + Channel Indicator TX14TH sensor. Either sensor may be used interchangeably. Get Support: INITIAL SETUP Step 1: Insert the included 5-volt AC power adapter into forecast station and then into wall outlet. Step 2: Insert 3 new “AA” batteries (not included) into the forecast station. Observe the correct polarity.
  • Page 2: Table Of Contents

    Channel Scroll WWVB Radio-controlled Time WWVB Reception Icon Manual Signal Search Care and Maintenance Position the Outdoor Transmitter Outdoor Temperature/Humidity Flashes Position the Forecast Station Specifications Indoor Outdoor Humidity Power Requirements Battery Life Dimensions Warranty Information FCC Statement Model: 308-146/308146W
  • Page 3: Features

    Do Not Mix Alkaline, Lithium, Standard, or Rechargeable Batteries NOTE: If the forecast station does not display indoor temperature after 60 seconds, remove adapter and batteries, and wait for at least 60 seconds before repeating the setup process. Model: 308-146/308146W
  • Page 4: Install Batteries In The Tx142Th Transmitter

    LCD Screen The LCD screen is split into 5 sections displaying the information for time, calendar, weather forecast, indoor data, and outdoor data. Model: 308-146/308146W
  • Page 5: Function Buttons

    1. Hold the SET button for 5 seconds. 2. WWVB and ON will flash. 3. Press and release the +/RCC or -/°C/°F button to turn this OFF. 4. Confirm with the SET button and move to the Time Zone. Model: 308-146/308146W
  • Page 6: Time Zone

    9. Confirm all calendar settings with the SET button to confirm and exit the program menu. Note: The day of the week will set automatically once the year, month and date are set. Fahrenheit/Celsius 1. Press and release the -/°C/°F button once to switch from Fahrenheit to Celsius. Model: 308-146/308146W
  • Page 7: Alarm Set

    2. LO: Press and release the LIGHT HI/LO button to dim the brightness of the backlight. 3. Press and release the LIGHT HI/LO button again to return to full strength (HIGH). Note: When the Adapter is NOT in use, the High/Low backlight feature is not available. Model: 308-146/308146W
  • Page 8: A/C Power Adapter

    MIN: From a normal display press and release the MIN/MAX button twice to view minimum temperature and humidity values for Indoor or Outdoor data. The word MIN will appear next to the indoor and outdoor temperature. Model: 308-146/308146W
  • Page 9: Reset Min/Max

    Use Multiple Outdoor Transmitters The forecast station will accommodate up to three remote outdoor transmitters (TX142TH or TX14TH). The channel selection button allows you to easily see the temperature in various locations: outdoors, baby’s room, greenhouse, basement, etc. Model: 308-146/308146W
  • Page 10: Channel Scroll

    2-10 minute search which occurs during the late night or early morning hours. Note: In case the forecast station is not able to detect the WWVB-signal (disturbances, transmitting distance, etc.); the time may be manually set. Model: 308-146/308146W
  • Page 11: Care And Maintenance

    The maximum transmitting range in open air is over 200 feet (60 meters). Obstacles such as walls, windows, stucco, concrete and large metal objects can reduce the range. Place the transmitter at least 6 feet in the air to improve signal transmission. Model: 308-146/308146W
  • Page 12: Outdoor Temperature/Humidity Flashes

    Alkaline and Lithium batteries Dimensions: Forecast Station: 6.3" L x 2.75" W x 4.25" H (160 x 70 x 108 mm) 2.4” L x 1.3” W x 3.78” H (64 x 36 x 101mm) TX142TH Transmitter: Model: 308-146/308146W
  • Page 13: Warranty Information

    Warranty Information La Crosse Technology, Ltd. provides a 1-year limited time warranty (from date of purchase) on this product relating to manufacturing defects in materials & workmanship. View full warranty details online at: For warranty work, technical support or other information contact: La Crosse Technology, Ltd 2817 Losey Blvd.

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