La Crosse Technology TX142TH ROMOTE SENSOR TEMPERATURE/HUMIDITY User Manual users manual

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down on the TX button for 3 seconds to send a wireless signal to the forecast
station.
 For optimal 433 MHz signal reception, the outdoor transmitter should be placed
within 200 feet (60 meters) from the indoor forecast station.
WWVB Radio-Controlled Time
REMOTE SENSOR Temperature/Humidity
Model:TX142TH
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. Use the integrated USB charging port to charge
your smartphone, camera or other device when the forecast station operates on A/C
power. Wireless transmission range of over 200 feet (60 meters) in open air, from
transmitter to forecast station.
Wireless Color Forecast Station
The NIST radio station, WWVB, is located in Ft. Collins, Colorado and transmits the
exact time signal continuously throughout the United States at 60 kHz. The signal
can be received up to 2,000 miles away through the internal antenna in the Wireless
Color Forecast Station. However, due to the nature of the Earth’s Ionosphere,
reception is very limited during daylight hours. The Wireless Color Forecast Station
will search for a signal every night when reception is best. The WWVB radio station
derives its signal from the NIST Atomic Clock in Boulder, Colorado.
 HOUR: The hour will flash. Press and release the +/RCC or -/°C/°F button to
select the correct hour. Confirm with the SET button and move to the next item.
 MINUTES: The minutes will flash. Press and release the +/RCC or -/°C/°F button
to select the correct minutes. Confirm with the SET button and move to the next
item.
 YEAR: The year will flash. Press and release the +/RCC or -/°C/°F button to
select the correct year. Confirm with the SET button and move to the next item.
 MONTH: The month will flash. Press and release the +/RCC or -/°C/°F button to
select the correct month. Confirm with the SET button and move to the next item.
 DATE: The date will flash. Press and release the +/RCC or -/°C/°F button to
select the correct date. Confirm with the SET button and exit the program menu.
Note: The Day of the Week will set automatically when the year, month and date
are set.
Fahrenheit/Celsius
WWVB reception icon with full signal strength will appear on screen if
the reception of atomic time is successful.
 The tower icon will show solid when the display has received the WWVB signal.
 No tower icon displayed. The display was unable to receive a signal at this time.
 Reposition the display for better signal reception or try again at bedtime.
 The display will start searching at UTC: 07:00 and if no reception on the first
attempt they will try again at 08:00, 09:00 and 10:00. Each attempt will be at least
2 minutes and the most will be 10 minutes.
 If there is no signal or too much interference, the receiver will only be on for 2
minutes.
 If the signal is good, it may catch a signal in ABOUT 2-3 minutes.
 If the signal is marginal, it will try to catch a signal for up to 10 minutes.
 IMPORTANT: To avoid interference when operating on A/C power, the backlight
and USB charge port will turn off while the forecast station searches for the
WWVB signal. The backlight and USB charge port resume after a 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.
 Press and release the -/°C/°F button once on the display to switch from
Fahrenheit to Celsius.
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 the CH button repeatedly until AUTO is displayed. The forecast
station will rotate through all available channels.
 Press and release the CH button once to display only one channel continually.
The forecast station can receive up to 3 outdoor transmitters. Extra TX142TH
sensors may be found online or at your retailer to monitor remote temperature and
humidity of up to 3 locations with over 200 foot wireless range (open air) to the
display.
Note: When only one transmitter is connected, you cannot see other channels.
Setup Instructions Step-by-Step
Button
Step 1: (optional battery use)
 Remove battery cover from the forecast station. Slide tab to right and pull out to
remove the cover.
 Insert 3 new AA batteries (not included) into the back of the forecast station.
Observe the correct polarity (see marking inside the battery compartment).
 The forecast station will light up and display, indoor temperature, humidity and
channel 1.
 Do Not Mix Old and New Batteries
 Do Not Mix Alkaline, Standard, Lithium or Rechargeable Batteries
Step 2:
 Insert the 5-volt A/C power adapter into the designated area on the back of the
forecast station.
 Plug the A/C power adapter into a wall outlet for continuous backlight display
(ON/OFF), and dimmer feature. Backlight will illuminate for 8 seconds when using
only battery power with a press/release of the SNOOZE/LIGHT button.
IMPORTANT: When operating on A/C power, to avoid interference, the backlight
and USB charge port will turn off while the forecast station searches for the WWVB
signal. The backlight and USB charge port resume after a 2-10 minute search.
Step 3:
 Keep the transmitter within 10 feet of the forecast station.
 Remove battery cover from transmitter. Slide the battery cover down
and lift off the back.
 Insert 2 new AA batteries into the transmitter. Observe the correct
polarity.
 The CH switch is set to Channel 1 by default. Confirm channel 1 is
selected.
 Within 3 minutes, the forecast station will beep and then display
readings in the Outdoor temperature area on the LCD.
Note: Use Alkaline batteries (or Lithium for temperatures below -20°F
/-28.8°C).
Troubleshooting
 If the forecast station does not display the outdoor temperature after 3 minutes,
remove the A/C power adapter and all batteries from both units and start the setup
process again.
 If the outdoor temperature does not show up after a second attempt, please slide
open the battery cover of the outdoor transmitter to reveal the TX button. Push
Press and Release
Functions
Hold 3-5 seconds
SET
Move through program menu
Confirm setting
Enter program menu, set
time, date, etc.
ALARM
View Alarm
Activate/Deactivate Alarm
1 step forward (setup)
Alarm set
-/°C/°F
Select temperature in °F/°C
1 step backward (setup)
Fast backward (set)
MIN/MAX
1-time MAX values
2-times MIN values
1-time Heat Index
2-times Dew Point
Switch channels (multiple
transmitters)
Resets all MIN / MAX
values
LIGHT HI/LO
HOLD ON/OFF
Dim backlight for night time.
Turn continuous
backlight ON or OFF
(A/C adapter)
LIGHT/SNOOZE
(top)
Activates backlight when using
only batteries
Trigger snooze alarm
+/RCC
HEAT/DEW
CH
Search for WWVB signal
Fast advance (setup)
Search for remote
transmitter
Program Menu
The SET button will move through the program menu. To change a value use the
+/RCC or -/°C/°F buttons.
 WWVB ON/OFF: Hold the SET button 5 seconds and WWVB and the word ON
will flash. Press and release the +/RCC or -/°C/°F button to turn this to OFF if you
do not wish WWVB reception. Confirm with the SET button and move to the next
item.
 TIME ZONE: EST will flash. Press and release the +/RCC or -/°C/°F button to
select a different Time Zone: AST=Atlantic, EST= Eastern, CST= Central, MST=
Mountain, PST= Pacific, AKT= Alaska, HAT=Hawaiian time zone. Confirm with the
SET button and move to the next item.
 DAYLIGHT SAVING TIME: DST will flash and the word ON. Press and release
the +/RCC or -/°C/°F button to turn this to OFF if you do not observe DST.
Confirm with the SET button and move to the next item.
 12/24 HOUR TIME: 12H will flash. Press and release the +/RCC or -/°C/°F button
to select 24H. Confirm with the SET button and move to the next item.
Backlight
A/C adapter: The backlight is on continuously when operating the display with the
5-volt A/C adapter.
 HIGH: The backlight is defaulted to HI when the Adapter is in use.
 LO: Press and release the LIGHT HI/LO button to dim the backlight. Press and
release again to return to full strength.
Note: When the Adapter is NOT in use, the High/Lo light feature is not available.
 OFF: Hold the HOLD ON/OFF button for 5 seconds, until the station beeps, to
turn the backlight off, to sleep.
 ON: Hold the HOLD ON/OFF button again until the station beeps, to turn the
backlight on.
Note: When the backlight is off, press any button to activate the backlight for 8
seconds
Battery power: Press and release the SNOOZE/LIGHT button and the backlight
will show for 8 seconds when operating on batteries only.
Alarm Set
 ALARM HOUR: Press and hold ALARM button to enter alarm time setting mode.
The Alarm Hour will flash. Use the +/RCC or -/°C/°F button to set the Hour. Press
and release the ALARM button.
 ALARM MINUTE: The Alarm Minutes will flash. Use the +/RCC or -/°C/°F button
to set the Minutes. Press and release the ALARM button to exit.
Alarm Activate/Deactivate
 Press and release the ALARM button once to show Alarm Time.
 Press and release the ALARM button repeatedly to activate or
deactivate the Alarm.
 The alarm icon appears when alarm is activated.
Snooze
 When the alarm sounds, press the SNOOZE button to trigger snooze alarm for 10
minutes. The snooze icon Zz will flash when the snooze feature is active.
 To stop alarm for one day, press ALARM button, while in snooze mode. The alarm
icon will remain solid.
Note: When the alarm sounds, it continues for 2 minutes and then shuts off
completely.
USB Charging Port
The integrated USB charging port (on back) will charge your smart phone, camera
or other devices when the forecast station is plugged into a power outlet with the
included 5V A/C adapter.
Note: This is a power-output charging port. The charging
port does not supply power to the forecast station.
Begin charging your external device by connecting the
device’s USB charging cable (not included) to the USB charging port on the back of
the forecast station. Charging times will vary.
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.
 USB Power Output: 1A maximum current
 Do NOT overload USB port. Charge 1A devices or less only
IMPORTANT: To avoid interference when operating on A/C power, the backlight
and USB charge port will turn off while the forecast station searches for the WWVB
signal. The backlight and USB charge port resume after a 2-10 minute search which
occurs during the late night or early morning hours.
Weather Forecast Icons
The forecast station predicts weather condition of the next 12-hours based on the
change of atmospheric pressure with 70-75% accuracy. Note: As weather
conditions cannot be 100% correctly forecasted, we are not responsible for any loss
caused by an incorrect forecast.
View Dew Point: From a normal display, press the HEAT/DEW button twice and
Dew Point will show instead of the ambient temperature.
The forecast station calibrates barometric pressure based on its location over
a period of time to generate an accurate, personal forecast. Please allow 3 to
4 weeks for barometer calibration.
IMPORTANT: As the forecast station builds memory, it will compare the current
average pressure to the past forty day average pressure for increased accuracy.
The longer the forecast station operates in one location the more accurate the
forecast icons will be.
MIN/MAX Temperature/Humidity Data
The forecast station shows daily minimum and maximum temperatures each day
starting at midnight (12:00 AM). The station automatically resets the min/max
temperatures at midnight (12:00 AM).



View MAX data: Press and release the MIN/MAX button once to view maximum
temperature and humidity values for indoor and outdoor data.
View MIN data: Press and release the MIN/MAX button twice to view minimum
temperature and humidity values for indoor or outdoor data.
Reset MIN/MAX data: Hold the MIN/MAX button for 5 seconds to reset all
min/max values.
Warranty Information
 When the low battery icon appears in the indoor (IN) reading section, replace
the batteries in the forecast station.
 When the low battery icon appears in the outdoor (OUT) readings section,
replace the batteries in the outdoor transmitter.
Position the Outdoor Transmitter
Once the forecast station shows the outdoor temperature/humidity, place it and the
transmitter in the desired locations and wait approximately 1-hour before
permanently mounting the transmitter to ensure that there is proper reception. The
transmitter should be mounted vertically, in a shaded, protected area, at least 6 feet
from the ground to avoid damage and ensure accurate readings. The transmitter is
water resistant, not waterproof and should not be placed anywhere it will become
submerged in water or subject to standing water or snow. Wireless transmitting
range in open air is over 200 feet (60 meters) from outdoor transmitter to forecast
station.
Option 1:
 Install one mounting screw (not included) into a wall leaving
approximately ½ of an inch (12.7mm) extended.
 Place the transmitter onto the screw, using the hanging hole on
the backside.
 Gently pull the transmitter down to lock the screw into place.
To achieve a true temperature/humidity reading, mount where direct sunlight cannot
reach the outdoor transmitter. Mount the outdoor transmitter on a North-facing wall
or in any well shaded area. Under an eave or deck rail work well. 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.
Care and Maintenance









Do Not Mix Old and New Batteries
Do Not Mix Alkaline, Standard, Lithium or Rechargeable Batteries
Do not expose the forecast station to extreme temperatures, vibration or shock.
Clean forecast station with a soft damp cloth. Do not use solvents or scouring agents.
The product is not a toy. Keep it out of reach of children.
The product is not to be used for medical purpose or for public information. It is for
home use only.
The specifications of this product may change without prior notice.
Improper use or unauthorized opening of housing will void the warranty.
If the unit does not work properly, change the batteries and/or check the A/C cord
connection.
Indoor Temperature Range: 32° F to 122° F (0° C to 50° C)
Humidity Range:
1%-99% (RH)
Interval:
Every 30 seconds
Heat Index combines the effects of heat and humidity. It
is the apparent temperature of how hot it feels to a
human being.
Outdoor Temperature Range: -40°F to 140°F (-40°C to 60°C)
Temperatures below - 20°F (-28.8°C) require Lithium
batteries in the outdoor sensor.
Dew Point
Dew point is the saturation point of the air, or the
temperature to which the air has to be cooled in order to
create condensation.
Note: Dew Point generally is lower than the
temperature.
La Crosse Technology, Ltd provides a 1-year limited warranty on this product against manufacturing
defects in materials and workmanship.
This limited warranty begins on the original date of purchase, is valid only on products purchased
and used in North America and only to the original purchaser of this product. To receive warranty
service, the purchaser must contact La Crosse Technology, Ltd for problem determination and
service procedures. Warranty service can only be performed by a La Crosse Technology, Ltd
authorized service center. The original dated bill of sale must be presented upon request as proof of
purchase to La Crosse Technology, Ltd or La Crosse Technology, Ltd’s authorized service center.
La Crosse Technology, Ltd will repair or replace this product, at our option and at no charge as
stipulated herein, with new or reconditioned parts or products if found to be defective during the
limited warranty period specified above. All replaced parts and products become the property of La
Crosse Technology, Ltd and must be returned to La Crosse Technology, Ltd. Replacement parts
and products assume the remaining original warranty, or ninety (90) days, whichever is longer. La
Crosse Technology, Ltd will pay all expenses for labor and materials for all repairs covered by this
warranty. If necessary repairs are not covered by this warranty, or if a product is examined which is
not in need or repair, you will be charged for the repairs or examination. The owner must pay any
shipping charges incurred in getting the La Crosse Technology, Ltd product to a La Crosse
Technology, Ltd authorized service center. La Crosse Technology, Ltd will pay ground return
shipping charges to the owner of the product to a USA address only.
The La Crosse Technology, Ltd warranty covers all defects in material and workmanship with the
following specified exceptions: (1) damage caused by accident, unreasonable use or neglect
(including the lack of reasonable and necessary maintenance); (2) damage occurring during
shipment (claims must be presented to the carrier); (3) damage to, or deterioration of, any accessory
or decorative surface; (4) damage resulting from failure to follow instructions contained in the
owner’s manual; (5) damage resulting from the performance of repairs or alterations by someone
other than an authorized La Crosse Technology, Ltd authorized service center; (6) units used for
other than home use (7) applications and uses that this product was not intended or (8) the products
inability to receive a signal due to any source of interference.. This warranty covers only actual
defects within the product itself, and does not cover the cost of installation or removal from a fixed
installation, normal set-up or adjustments, claims based on misrepresentation by the seller or
performance variations resulting from installation-related circumstances.
LA CROSSE TECHNOLOGY, LTD WILL NOT ASSUME LIABILITY FOR INCIDENTAL,
CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE
OPERATION OR MALFUNCTION OF THIS PRODUCT. THIS PRODUCT IS NOT TO BE USED
FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY.
KEEP OUT OF CHILDREN’S REACH.
This warranty gives you specific legal rights. You may also have other rights specific to the State.
Some States do not allow the exclusion of consequential or incidental damages therefore the above
exclusion of limitation may not apply to you.
For warranty work, technical support, or information contact:
La Crosse Technology, Ltd
2817 Losey Blvd. S.
La Crosse, WI 54601
The complete instruction manual is available at:
www.lacrossetechnology.com/308-146
Contact Support: 1-608-782-1610
Product Registration:
www.lacrossetechnology.com/support/register
Specifications
Heat Index
Note: Heat index will be the same number as the temperature until the temperature
is above 80°F (26.7°C).
View Heat Index: From a normal display press the HEAT/DEW button once and
Heat Index will show instead of the ambient temperature.
5.9” L x 2.36” W x 5.9” H (150 x 60 x 150mm)
2.4” L x 1.3” W x 3.78” H (64 x 36 x 101mm)
Low Battery
Option 2:
 Insert the mounting screw (not included) through the front of the
transmitter and into the wall.
 Tighten the screw to snug (do not over tighten).
THIS STATION LEARNS
Dimensions:
Forecast Station:
TX142TH Transmitter:
Humidity Range:
Distance:
Interval:
1%-99% (RH)
Over 200 ft. (60 meters) RF 433MHz (open air)
Every 50 seconds
Power Forecast Station:
5-volt A/C power adapter (included)
Optional 3-AA, IEC, LR6 batteries (not included)
2-AA, IEC, LR6 batteries (not included).
TX142TH Transmitter:
Battery Life TX142TH:
Forecast Station
Battery Backup:
Battery life is over 24 months when using reputable battery
brands for both Alkaline and Lithium batteries
Battery life is over 24 months when using the A/C adapter for
primary power
Protected under U.S. Patents: 5,978,738, 6,076,044,
6,597,990
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
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) this device must accept any
interference received, including interference that may cause undesired operation.
Caution!
Any changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to
the following two conditions: (1) this device may not cause interference, and (2) this device must
accept any interference, including interference that may cause undesired operation of the device.
The device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and
compliance with RSS-102 RF exposure, users can obtain Canadian information on RF exposure and
compliance.
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.

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