La Crosse Technology 308-146W User manual

308-146/308-146W www.lacrossetechnology.com/support Page | 1
Model: 308-146/308-146W
Quick Setup Guide
WIRELESS COLOR FORECAST STATION
Sensor
Battery Cover
Sensor Battery
Compartment
2 “AA”
SENSOR
TX-142TH
LED
TX
1
2
3
4
5
6
7
Battery
Compartment
3 “AA”
AC Power Jack
USB
PORT
FRONT
VIEW
Buttons
BACK
VIEW
8
9
SNOOZE/LIGHT
Note: The forecast station is
sold with one TX142TH
transmitter or one TX14TH
transmitter. These sensors
are interchangeable.

308-146/308-146W www.lacrossetechnology.com/support Page | 2
GET STARTED
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.
Restart: If the outdoor temperature is not displayed after 3 minutes,
remove batteries from the station & transmitter for 15 minutes. Return to
Step 1 above.
ATOMIC SIGNAL 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.
SET TIME, DATE AND TEMPERATURE UNITS
1. Hold button 1 (SET) to enter time set mode.
2. To adjust values press buttons 3 or 4 (+/RCC or -/ºC/ºF).
3. Press button 1 (SET) 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
Press button 1 (SET) to exit, or wait 20 seconds without pressing buttons
to return to the normal time display.
FAHRENHEIT/CELSIUS
Press button 4 (-/ºC/ºF) to select Fahrenheit or Celsius temperature
display.
SET TIME ALARM
1. Hold button 2 (ALARM) to enter alarm time set mode.
2. To adjust ALARM TIME press buttons 3 or 4 (+/RCC or -/ºC/ºF).
3. Press button 2 (ALARM) to confirm adjustments and move to the
next item.
Alarm Time setting order: 1. Hours, 2. Minutes

308-146/308-146W www.lacrossetechnology.com/support Page | 3
Alarm
Bell Icon
ACTIVATE/DEACTIVATE TIME ALARM
Press button 2 (ALARM) once to view alarm time.
Press button 2 (ALARM) again to activate the alarm.
Once activated the bell icon appears.
Press button 2 (ALARM) again to deactivate the alarm.
The bell icon will disappear.
SNOOZE (SILENCES ALARM TEMPORARILY)
When alarm sounds, press button 9 (LIGHT/SNOOZE) 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.
FORECAST ICONS
The forecast station uses changing atmospheric pressure to predict
weather conditions for the next 12-hours with 70-75% accuracy.
INTELLIGENT WEATHER FORECAST
This station learns. Please allow 3 to 4 weeks for barometric calibration.
This will ensure an accurate personal forecast for your location.
ADJUST BACKLIGHT
When using A/C power:
Press button 8 (LIGHT HI/LO) to adjust the backlight HI or LO.
Hold button 8 (HOLD ON/OFF) and the backlight will turn off
completely. Hold again to turn on the backlight.
When using Battery power only:
Press button 8 (LIGHT HI/LO) for 8 second backlight.

308-146/308-146W www.lacrossetechnology.com/support Page | 4
ATOMIC SIGNAL 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.
HEAT INDEX/DEW POINT
Press button 6 (HEAT/DEW) once to view Heat Index.
Press button 6 (HEAT/DEW) twice to view Dew Point.
VIEW/RESET MIN/MAX VALUES
The station automatically resets minimum and maximum values daily at
midnight (12:00 AM).
Press button 5 (MIN/MAX) to view maximum values.
Hold button 5 (MIN/MAX) to reset maximum values.
Press button 5 (MIN/MAX) to view minimum values.
Hold button 5 (MIN/MAX) to reset minimum values.
CHANNEL SCROLL-AUTO
The word AUTO will appear in the outdoor temperature/humidity area
when multiple transmitters are received and the forecast station is set to
scroll through the channels automatically.
Press and release button 7 (CH)repeatedly until AUTO is displayed.
The forecast station will rotate through all available channels.
Press and release button 7 (CH) once to display only one channel
continually.
Note: When only one transmitter is connected, you may not see other
channels.
The forecast station can receive up to 3, TX142TH or TX14TH outdoor
transmitters.
Select a separate channel on each outdoor transmitter.
Install batteries in all the transmitters.
Hold button 7 (CH) for 5 seconds and the forecast station will search
for all outdoor transmitters.

308-146/308-146W www.lacrossetechnology.com/support Page | 5
USB CHARGE PORT
Charge a smart phone, camera or other devices when the forecast
station is plugged into a power outlet with the included 5V 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.
USB Power Output: 1A maximum current. Charge 1A devices or
devices that are self-regulating.
NOTE: Some USB cables are for data transfer only and cannot be used
for charging. Make sure that the USB cable you use will charge your
device. Most USB cables included with mobile devices will work for
charging.
MANUAL WWVB RADIO-CONTROLLED TIME SEARCH
Press button 3 (+/RCC) 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
ATOMIC SIGNAL 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.
POSITION OUTDOOR TRANSMITTER
Mount the outdoor transmitter 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 forecast station is over 200
feet (60 meters) in open air, not including walls.
POSITION THE FORECAST STATION
The forecast station has a wide base to sit on a desk or table.
For best WWVB reception orientate the forecast station with the
front of the back facing Ft. Collins, Colorado.
WWVB
Icon

308-146/308-146W www.lacrossetechnology.com/support Page | 6
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 transmitter.
The maximum transmitting range in open air is 200 feet (60 meters).
Obstacles such as walls, windows, stucco, concrete and large metal
objects can reduce the range.
LOW BATTERY ICON
Low battery icon indicates low battery for station or sensor.
If the icon is displayed in Outdoor Temperature section,
replace batteries in the outdoor sensor.
If the icon is displayed in Indoor Temperature section,
replace batteries in the Forecast Station.
SPECIFICATIONS
Indoor:
Temperature Range:
+32°F to +122°F (0°C to 50°C)
Humidity Range:
19%-97% (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:
19%-97% (RH)
Distance:
Over 200 ft. (60 meters) RF
433MHz (open air)
Interval:
About every 50 seconds
Power:
Forecast Station
Primary Power:
5-volt AC power adapter
(included)
Optional/Battery Backup
Optional 3-AA, IEC, LR6
batteries (not included)
TX142TH/TX14TH Transmitter:
2-AA, IEC, LR6 batteries (not
included)
USB
USB Charge Port:
Output 1A
Low Battery
Icon

308-146/308-146W www.lacrossetechnology.com/support Page | 7
Battery Life:
Forecast Station
Battery Backup:
Battery life is over 24 months
when using the AC adapter for
primary power
TX142TH/TX14TH Transmitter:
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 Transmitter:
1.57" x 0.79" x 5.12"
(40 x 20 x 130mm)
WARRANTY AND SUPPORT 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:
www.lacrossetechnology.com/warranty_info.pdf
For warranty work, technical support or
other information contact:
La Crosse Technology, Ltd
2817 Losey Blvd. S.
La Crosse, WI 54601
Contact Support:
1-608-782-1610
Product Registration:
www.lacrossetechnology.com/support/register
Online Product Support:
www.lacrossetechnology.com/308-146
Protected under U.S. Patents:
5,978,738, 6,076,044, 6,597,990
Scan for online
information

308-146/308-146W www.lacrossetechnology.com/support Page | 8
FCC STATEMENT
This Device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) the device must accept any interference received,
including interference that may cause undesired operation.
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY
RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED
MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS
COULD VOID THE USER AUTHORITY TO OPERATE THE
EQUIPMENT
All rights reserved. This handbook must not be reproduced in any form,
even in excerpts, or duplicated or processed using electronic,
mechanical or chemical procedures without written permission of the
publisher.
This handbook may contain mistakes and printing errors. The
information in this handbook is regularly checked and corrections made
in the next issue. We accept no liability for technical mistakes or printing
errors, or their consequences.
All trademarks are acknowledged.