La Crosse Technology 308-146v2 User manual

308-146 www.lacrossetechnology.com/support pg. 1
Model: 308-146v2
Instruction Manual
DC: 112618
WIRELESS ATOMIC COLOR FORECAST STATION
Table of Contents
Initial Setup ............................................................................................2
Atomic Time Search ..............................................................................3
LCD Features ..........................................................................................3
Buttons (back view)..............................................................................4
Set Time, Date, etc...............................................................................4
Fahrenheit/Celsius Temperature Display ..........................................5
Time Alarm..............................................................................................5
Activate/Deactivate the Alarm............................................................5
Snooze .....................................................................................................6
Weather Forecast Icons........................................................................6
Backlight..................................................................................................6
Heat Index | Dew Point........................................................................7

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MIN/MAX Values ....................................................................................7
Multiple Sensors.....................................................................................7
Channel Scroll ........................................................................................8
USB Charge Port ....................................................................................8
Restart .....................................................................................................8
Specifications..........................................................................................9
Position Station ....................................................................................10
Position Outdoor Sensor.....................................................................10
Care and Maintenance........................................................................10
Warranty and Support ........................................................................ 11
FCC Statement .....................................................................................12
Initial Setup
1. Insert 2 new AA batteries (not included) into the
TX142THv3 sensor. Observe the correct polarity. The red
LED will flash when transmitting.
2. Insert 3 new AA Alkaline batteries (not included) into the
station. Observe correct polarity.
3. After 5 minutes, place the sensor outside in a shaded
location. Maximum range is 330 feet (100 meters) open air.
Channel
Select

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Atomic Time Search
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.
•Press the +/RCC button to start or stop a manual signal search.
WWVB Icon will flash
For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
LCD Features

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Buttons (back view)
Set Time, Date, etc.
1. Hold the SET button to enter time set mode.
2. Press the +/RCC or -/ºC/ºF buttons to adjust values.
3. Press the SET button to confirm and move to the next item.
Settings order:
1. WWVB Reception
2. Time Zone
3. DST Indicator,
4. 12/24 Hour Time Format
5. Hour
6. Minutes,
7. Year
8. Month
9. Date Note: Day of the week sets automatically.
1. WWVB Time On/Off 2. Time Zone 3. DST Indicator
4.12Hr/24Hr Time 5. Hours 6. Minutes

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7. Year 8. Month 9. Date
Press the -/ºC/ºF button to exit or wait 20 seconds to exit.
Fahrenheit/Celsius Temperature Display
From the normal time display, press the -/ºC/ºF button to
select Fahrenheit or Celsius temperature display.
Time Alarm
1. Hold the ALARM button 3 seconds
to enter alarm time set mode.
2. The hour will flash.
3. Use the +/RCC or -/ºC/ºF buttons
to set the hour.
4. Press the ALARM button to confirm
adjustments and move to the
minutes.
5. The minutes will flash.
6. Use the +/RCC or -/ºC/ºF buttons to set the minutes.
7. Press the ALARM button to confirm and exit.
Activate/Deactivate the Alarm
•Press the ALARM button once to view alarm time.
•Press the ALARM button again to activate the alarm.
Bell icon appears.
•Press the ALARM button again to deactivate the alarm.
The bell icon disappears.

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Snooze
•When alarm sounds, press the LIGHT/SNOOZE button to
silence the alarm for 10 minutes.
•The alarm icon will flash.
•In snooze mode, press any button to stop alarm for one
day.
Note: The alarm is crescendo sound. The alarm will sound for 2
minutes and then shut off completely.
Weather Forecast Icons
The unit predicts weather condition of the next 12-hours based
on the change of atmospheric pressure. The weather forecast is
about 70-75% correct.
The Icons shown forecast the weather in terms of getting better
or worse and not necessarily sunny or rainy as each icon
indicates.
INTELLIGENT WEATHER FORECAST
This station learns. Please allow 7-10 days for barometric
calibration. This will ensure an accurate personal forecast for
your location.
Backlight
When using A/C power:
•Press the LIGHT HI/LO button to adjust the backlight brightness.
•Hold the HOLD ON/OFF button and the backlight will turn off
completely. Hold again to turn on the backlight.
When using Battery power only:
•Press the LIGHT HI/LO button for 8 second backlight.

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Heat Index | Dew Point
•Press the HEAT/DEW button once to view Heat Index.
•Press the HEAT/DEW button twice to view Dew Point.
MIN/MAX Values
The station automatically resets minimum and maximum values
daily at midnight (12:00 AM).
•Press the MIN/MAX button to view maximum values.
•Hold the MIN/MAX button to reset maximum values.
•Press the MIN/MAX button to view minimum values.
•Hold the MIN/MAX button to reset minimum values.
Multiple Sensors
The forecast station will accommodate up to three remote
outdoor sensors (TX142TH-v3), sold separately. Press the CH
(channel) button to see the temperature on other channels.
To connect multiple remote sensors to the forecast
station:
1. Remove the battery cover from all the sensors.
2. Set the first outdoor sensor to Channel 1and insert 2-AA
batteries.
3. Set the second outdoor sensor to Channel 2 and insert
2-AA batteries.
4. Set the third outdoor sensor to Channel 3 and insert 2-AA
batteries.
5. Press and hold CH button to search for all outdoor sensors.
6. Press the TX button on each outdoor sensor to transmit.
7. When connection is established, the respective temperature
& humidity for each of the selected channels numbers will
appear on the main unit.
8. Allow the sensors and the forecast station to stay 5-10 feet
apart for 15 minutes to establish a solid connection.
9. Install the battery covers on each sensor.
10. After 15 minutes place the remote sensors in appropriate
locations (see “position the outdoor sensor”).

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Press and release the CH button to view channel 1, 2 or 3 on
the forecast station
Channel Scroll
The word AUTO will appear when the forecast station is set to
scroll through the channels automatically.
•Press the CH button repeatedly until AUTO is displayed. The
forecast station will rotate through all available channels.
•Press the CH button once to display only one channel
continually.
USB Charge Port
Charge a smart phone, camera or other devices when the
forecast station is plugged into a power outlet with the
included 5.0V AC adapter.
Note: This is a power-output charging port. It does not
supply power to the forecast station.
•Connect your external device’s USB
charging cable (not included) to the
USB charging port.
•Charging times will vary.
•1 Amp maximum current. Charge 1
Amp devices or devices that are
self-regulating.
Restart
Restart: If the outdoor temperature shows dashes, remove
batteries from the digital station & sensor and press any button
20 times. After 15 minutes, return to Step 1 under initial setup.

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Specifications
Indoor:
Temperature Range:
+32°F to +122°F (0°C to 50°C)
Humidity Range:
10%-99% (RH)
Interval:
About every 30 seconds
Outdoor:
Temperature Range:
-40°F to 140°F (-40°C to 60°C)
Alkaline Batteries:
-20°F to 140°F (-28.8°C to 60°C)
Lithium Batteries:
-40°F to 140°F (-40°C to 60°C)
NOTE: Temperatures below - 20°F (-28.8°C) require
Lithium batteries in the outdoor sensor.
Humidity Range:
10%-99% (RH)
Distance:
Over 330 ft. (100 meters)
RF 433MHz (open air)
Interval:
About every 50 seconds
Power:
Forecast Station
Primary Power:
AC6: AC6: HX09-0501500-AU
5-volt AC power adapter (included)
Optional/Battery Backup
Optional 3-AA, IEC, LR6 batteries (not
included)
TX142TH-v3 Sensor: 2-AA, IEC, LR6 batteries (not included)
USB
USB Charge Port:
Output 1A
Battery Life:
Forecast Station
Battery Backup:
Battery life is over 24 months when using the
AC adapter for primary power
TX142TH-v3 Sensor:
Battery life is over 12 months when using
reputable battery brands for both Alkaline and
Lithium batteries
Dimensions:
Forecast Station: 5.9” L x 2.36” W x 5.9” H (150 x 60 x 150mm)
TX142TH-v3 Sensor: 1.57" x 0.79" x 5.12" (40 x 20 x 130mm)

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Position Station
The station is designed to sit on a desk or table.
•For best WWVB reception orientate the station with the
front of the back facing Ft. Collins, Colorado.
•Choose a location 6 feet or more from electronics such as
cordless phones, gaming systems, televisions, microwaves,
routers etc.
•Place within range of the outdoor sensor.
•The maximum transmitting range in open air is 330 feet
(100 meters). Obstacles such as walls, windows, stucco,
concrete, and large metal objects can reduce the range.
Position Outdoor Sensor
•Mount the outdoor sensor on a north-facing wall or in any
well shaded area. Under an eave or deck rail is preferred.
•The maximum transmitting range to the station is over 330
feet (100 meters) in open air, not including walls.
Care and Maintenance
•Do not mix old and new batteries
•Do not mix Alkaline, Standard, Lithium, or Rechargeable Batteries
•Always purchase the correct size and grade of battery suitable for
the intended use.
•Replace all batteries of a set at the same time.
•Clean the battery contacts and also those of the device prior to
battery installation.
•Ensure the batteries are installed correctly with regard to polarity
(+ and -).
•Remove batteries from equipment when it is not to be used for an
extended period.
•Promptly remove expired batteries.