La Crosse Technology S74177 User manual

SET UP GUIDE
MODEL: S74177
Wireless Weather Station
with Atomic Time + Date

Table of Contents
Power Up
Button Functions
Settings Menu
Atomic Time
Adjustable Backlight
Auto-Dim Settings
Indoor Comfort Level
Moon Phase
Seasonal Foliage
Forecast Icons
Pressure Number
Pressure History Graph
03
04
05
06
06
07
07
08
08
09
09
09
15
15
16
17
17
18
19
19
20
BASICS TEMPERATURE/HUMIDITY APPENDIX
Temperature & Humidity
Icons
History Records
Heat Index and Dew Point
Customizable Alerts
Extra Sensor Area
Search for Outdoor
Sensor
Low Battery Indicators
10
11
11
12
13
14
14
2
Stay In Touch
We’re Here to Help
Specifications
Coin Cell Battery
Warnings
Care & Maintenance
FCC Statement
California Statement
Warranty & Patents
Double Warranty Oer

1. Insert 2-AA batteries into your Outdoor Sensor.
2. Insert the 5V Power Adapter into an outlet, and then plug it into the
Power Jack on the back of the station. Next, remove the Insulation Tab
from the station’s Battery Compartment.
3. Once the sensor is reading your stations, place it outside in a shaded
location to protect it from the sun’s heat.
Watch our sensor mounting video: bit.ly/th_sensor_mounting
Outdoor Sensor
TX141TH-Bv4
Power Up
3
Weather Station
S74177
AA
AA

Note: When programming your station, press or hold one button at a time.
Button Functions
4
ALERTS Hold until the display changes, to enter Alert Settings.
Alerts: Press and release to move to next item.
EXTRA
Press and release to view Pressure or Extra Sensors (if added), or scroll
through all extra sensors and pressure.
Hold to search for all Extra Sensors.
+ PLUS Settings: Press and release to increase values.
Alerts: Press and release to arm/disarm alerts.
SET Hold until the display changes, to enter Settings Menu.
Settings: Press and release to confirm and move forward.
 MINUS
Settings: Press and release to decrease values.
Alerts: Press and release to arm/disarm alerts.
History: Hold to reset History Records.
Extra Sensors: While viewing Extra Sensor, hold to delete sensor.
ATOMIC Press and release to manually search for the Atomic Time Signal.
HEAT/DEW Press and release to view Heat Index and Dew Point Temperature.
TEMP Hold to search for Outdoor Sensor.
HISTORY Press and release to view History Records.
LIGHT
RESET
Press and release to adjust backlight.
Hold until the display changes, to enter Auto Dim Settings.
Hold to factory reset station.

5
Settings Menu
1. Hold the SET button until the display changes, to enter the Settings
Menu.
2. Press and release the +/- buttons to adjust values.
3. Press and release the SET button to confirm values and move to the next
setting.
4. Press and release the LIGHT button at any time to save and exit.
Settings Menu Order:
• Greeting
• Language (English, Spanish, French, German)
• Beep ON/OFF
• Atomic ON/OFF
• DST: AUTOMATIC ON / ALWAYS ON / ALWAYS OFF
(Change Spring/Fall) / (DST all year) / (Standard Time all year)
• Time Zone
• 12HR/24HR Time
• Hour
• Minute
• Year
• Month
• Date
• Fahrenheit/Celsius
• Decimal/No Decimal (Temperature Reading)
• Pressure: InHg / hPa
• Pressure number setting
• Thank You
7 Time Zones
ATLANTIC
EASTERN
CENTRAL
MOUNTAIN
PACIFIC
ALASKA
HAWAII

6
Language: The language selected in this menu will control other menu
items, as well as your full weekday readout.
Atomic OFF: When Atomic OFF is selected, you will move directly to 12/24
Hour setting.
DST: Select Automatic ON for correct daylight saving time adjustments.
Weekday: Will set automatically when your Year, Month, and Date are set.
• Your station will automatically search for the Atomic Time Signal at UTC
7:00, 8:00, 9:00, 10:00, and 11:00.
• Press and release the ATOMIC button to manually start or stop a search
for the WWVB Atomic Time Signal.
• The Tower Icon will flash while searching, and remain solid on screen
when the WWVB Signal is received.
• For information about WWVB Atomic Time visit: bit.ly/AtomicTime
Atomic Time
• Press and release the front LIGHT button to adjust the backlight intensity.
• There are 4 brightness levels, plus an o option.
Adjustable Backlight

7
Note: Only the hour can be set.
Auto-Dim Settings
1. Hold the LIGHT button until the display
changes, to enter the Auto-Dim Settings
Menu.
2. Press and release the +/- buttons to turn
the Auto-Dim feature on or o. Press
LIGHT to confirm.
3. Press and release the +/- buttons to adjust
the starting hour. Press LIGHT to confirm.
4. Press and release the +/- buttons to adjust
the stopping hour. Press LIGHT to confirm
and exit.
Program your display to automatically dim during preselected times.
Using relative humidity, these arrows will indicate your indoor comfort level.
A feature that can help keep your home safe and comfortable.
40%RH to 75%RH26%RH to 39%RH 76%RH to 83%RH10%RH to 25%RH 84%RH to 99%RH
COMFORT LEVEL COMFORT LEVELCOMFORT LEVEL COMFORT LEVELCOMFORT LEVEL
Indoor Comfort Level
Note: Indoor Humidity may not change frequently.

8
The moon phase is based on the Lunar Calendar and the year, month, and date
settings.
Small Waxing
Gibbous
New
Moon
Large Waxing
Gibbous
First
Quarter
Large Waxing
Crescent
Small Waxing
Crescent
Full
Moon
Small Waning
Crescent
Large Waning
Crescent
Last
Quarter
Small Waning
Gibbous
Large Waning
Gibbous
Moon Phase
Seasonal Trees Changes
The foliage scene in the forecast section changes seasonally.
The dates are pre-programmed.
Spring (March 20th to June 20th)Summer (June 21st to Sept. 20th)
Fall (Sept. 21st to Dec. 20th)Winter (Dec. 21st to March 19th)
Seasonal Foliage

9
• The forecast icons use the station’s internal barometer
to predict conditions to come within the next 12 hours.
• Allow 7-10 days for station calibration for most accurate
forecasts.
• The Snow Icon will show when temperatures are below
32°F (0°C) and rain or storms are predicted.
• The Sun Icon will show in daylight hours (7am to 6:59pm) and
the Moon Icon will show during nighttime (7pm to 6:59am) for
clear or partly clear forecasts.
• For more information on forecast visit: bit.ly/forecast_vid
FORECAST
FORECAST
SUN SNOWT-STORMRAINCLOUDSPARTLY SUNNY
FORECAST FORECAST FORECAST
FORECAST FORECAST FORECAST
Forecast Icons
Pressure Number
Your Relative Pressure reading will come from your
station’s internal barometer. Allow up to 10 days for
automatic calibration. Or you can program your local
pressure value in the Settings Menu. The arrows on
the left represent rising and falling tendency.
Pressure History Graph
Read from left to right, the Pressure History Graph
indicates the rise and fall in air pressure over the
past 24 hours.
Pressure
BAROMETRIC
PRESSURE

BAROMETRIC
PRESSURE
MOON PHASECOMFORT LEVEL
BAR
O
METRI
C
P
RESSUR
E
HUMIDITY HUMIDITY
Temperature & Humidity Icons
13
10 11
12
Current Indoor Humidity.
Shows an Alert is armed. Current Outdoor
Temperature.
Current Outdoor Humidity.
Current Indoor Temperature.
Low Battery Sensor
1. LOW BATTERY ICON
6. OUTDOOR TEMPERATURE
Indicates if the station is
receiving data from the sensor.
2. RECEPTION ICON
5. HUMIDITY ALERT ICONS4. OUTDOOR HUMIDITY
12. INDOOR TEMPERATURE
10. INDOOR HUMIDITY
The arrow indicates comfort
level based on the indoor
humidity.
8. INDOOR COMFORT METER
Current Moon Phase
3. MOON PHASE
Shows an Alert is armed.
7. TEMP. ALERT ICONS
Low Battery Station
9. LOW BATTERY ICON
Shows an Alert is armed.
13. TEMP. ALERT ICONS
Shows an Alert is armed.
11. HUMIDITY ALERT ICONS
10

History Records
From normal time display, press and release the HISTORY button to toggle
through indoor/outdoor temperature and humidity records with time and
date stamps.
Records Viewing Order
•Outdoor High Temperature
•Outdoor Low Temperature
•Outdoor High Humidity
•Outdoor Low Humidity
•Indoor High Temperature
•Indoor Low Temperature
•Indoor High Humidity
•Indoor Low Humidity
Resetting Individual Records
1. Press and release the HISTORY button to view the value you’d like reset.
2. Hold the (-) MINUS button until dashes appear, indicating that value has
been reset to your current readings.
Note: When an add-on Rain Sensor is connected, the Rain History will show
first when the HISTORY button is pressed. There is no history for add-on
Temperature/Humidity sensors.
Rain History: 1 Hour, 24 Hours, 7 Days, 1 Month, Year, and Total.
11
Heat Index and Dew Point Temperature
Press and release the HEAT/DEW button to view
Heat Index and Dew Point Temperature. MOON PHASE COMFORT LEVEL
BAROMETRIC
PRESSURE
HUMIDITY HUMIDITY
MOON PHASE COMFORT LEVEL
BAROMETRIC
PRESSURE
HUMIDITY HUMIDITY

Customizable Alerts
Alerts Setting Order
Outdoor Low Temperature •Outdoor High Temperature •Outdoor Low Humidity
Outdoor High Humidity •Indoor Low Temperature •Indoor High Temperature
Indoor Low Humidity •Indoor High Humidity
Activating/Deactivating Alerts
•When alert value is reached, station will beep 5 times each minute, until
out of alert range. Press any button to stop the alert sound
•The Alert Icon will remain flashing until out of the alert range.
Alert Sounds
Setting Custom Alerts
1. Hold the ALERTS button until the display
changes to enter the Alert Settings Menu.
2. Press and release the +/- buttons to
activate/deactivate and adjust alerts
settings. Press ALERTS to confirm your
selection.
3. Your programmed alerts are active when the
and / icon appear on the LCD.
12
When in the Alerts Settings Menu, use the +/- buttons to activate or
deactivate alerts. Indicated by the Alert Icons in that section.
MOON PHASE COMFORT LEVEL
BAROMETRIC
PRESSURE
HUMIDITY HUMIDITY

13
Extra Sensor Area
This station can display data for an add-on Rain Gauge as well as up to 3
additional Temp & Humidity Sensors. These readings will all appear in the
upper left section of the LCD in place of the pressure reading.
Add Extra Sensors:
1. Install batteries into your extra sensor(s).
Note: For Temp/Humidity sensors, be sure to select dierent channels (1,2,3)
before you insert batteries.
2. Hold the EXTRA button on the station until the Reception Indicator starts
to animate. This will start a search for your Extra Sensors.
3. Your sensor(s) should connect within the next few minutes. Press the EXTRA
button to cycle through Extra Sensor and Pressure data. The Auto Scroll Icon
will appear when activated.
Delete Extra Sensors:
It’s possible the station will pick up a neighboring sensor. To remove it, press
the EXTRA button to view that sensor. And while viewing it, hold the - (MINUS)
button to delete it.
Purchase Extra Sensors:
Visit bit.ly/s74177_parts to find and purchase
compatible add-on sensors.2
Temperature/HumidityRain

14
If you are seeing “NO” or dashes for your outdoor readings, please try the
following steps:
1. Hold the TEMP button to search for your outdoor sensor. The Reception
Indicator will begin to animate.
2. If after 3 minutes the sensor still isn’t connected, bring the sensor inside
next to the display and remove power (adapter and batteries) from the
sensor and station.
3. Press any button on the station 20 times and leave the parts sit for a few
moments with the power o.
4. Install a new set of alkaline batteries into the sensor, then power up your
station again.
5. If your outdoor data is still not appearing after these steps, please
contact our support sta. For additional help visit: bit.ly/basic_restart
Low Battery Indicator
Search for Outdoor Sensor
Low Battery Icon by Outdoor Temperature, replace batteries in the
Outdoor Sensor.
Low Battery Icon by Indoor Temperature, replace batteries in the
Weather Station.
Low Battery Icon in the Extra Area, replace batteries in sensor that is
showing at the time.

15
Follow La Crosse Technology on YouTube, Twitter, Facebook and Instagram.
Ask questions, watch setup videos, and provide feedback on our social
media outlets.
Stay in Touch!
If you require additional assistance, get in touch with our
friendly customer support team based in La Crosse, WI.
Phone: [phone]
Online: bit.ly/contact_techsupport
Self Help: bit.ly/s74177_support
Our knowledgable customer support team is available:
Mon-Fri 8am-6pm CST
We’re Here to Help

16
Weather Station (S74177)
Temperature Range: 32ºF to 122ºF
(0ºC to 50ºC)
Humidity Range: 10% - 99% RH
Relative Pressure Range:
23.62 to 32.48 inHg
(800 to 1100 hPa)
Power Requirements:
5-volt power adapter (included)
AC6: GPU280500150WAOO
Battery Backup:
1 “CR2032” Coin Cell Battery
(included)
The plug on the power adapter is
intended to serve as the disconnect
device, the socket-outlet shall be
installed near the equipment and
shall be easily accessible.
Dimensions:
8.30 in. L x 1.13 in. W x 6.33 in. H
(21.09 cm L x 2.88 cm W x 16.09 cm H)
Specifications
Outdoor Sensor (TX141TH-Bv4)
Temperature Range:
-40°F to 140°F
(-40°C to 60°C)
Humidity Range: 10% - 99% RH
Transmission Range:
Over 330 feet (100 meters) in
open air RF 433MHz
Update Interval:
About every 51 seconds
Power: 2-AA, IEC, LR6 batteries
(not included)
Battery Life: Over 24 months
Dimensions:
1.57 in. L x 0.79 in. W x 5.12 in. H
(4.0cm L x 2.0cm W x 13.0 cm H)

Coin Cell Battery Warning
When batteries of dierent brand or type are used
together, or new and old batteries are used together,
some batteries may be over-discharged due to a
dierence of voltage or capacity. This can result
in venting, leakage, and rupture and may cause
personal injury.
•Do not mix Alkaline, Lithium, standard, or
rechargeable battteries.
•Always purchase the correct size and grade of
battery most suitable for the intended use.
•Always replace the whole set of batteries at one
time, taking care not to mix old and new ones, or
batteries of dierent types.
•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 product during periods of
non-use. Battery leakage can cause corrosion and
damage to this product.
•Remove used batteries promptly.
•For recycling and disposal of batteries, and
to protect the environment, please check the
internet or your local phone directory for local
recycling centers and/or follow local government
regulations.
Replace the Coin Cell Battery
1. Use a coin to turn the battery cover to the left to
remove it.
2. Pull back the metal pin and gently remove
the battery.
3. Insert a fresh CR2032 battery with the +side up
and snap into place.
4. Replace the battery cover and use the coin to
turn it to the right to lock.
WARNING: KEEP BATTERIES OUT OF REACH OF
CHILDREN
1. Swallowing may lead to serious injury in as little
as 2 hours or death, due to chemical burns and
potential perforation of the esophagus.
2. If you suspect your child has swallowed or
inserted a coin cell battery, immediately seek
urgent medical assistance.
3. Examine devices and make sure the battery
compartment is correctly secured, e.g. that the
screw or other mechanical fastener is tightened.
4. Do not use if compartment is not secure.
5. Dispose of used coin cell batteries immediately
and safely.
6. Flat batteries can still be dangerous.
7. Tell others about the risk associated with coin cell
batteries and how to keep their children safe.
WARNING
1. This product contains a coin cell battery.
2. If swallowed, it could cause severe injury or death
in just 2 hours.
3. Seek medical attention immediately.
17
WARNING: CHOKING HAZARDSmall Parts
Not for children under 3 years
Care & Maintenance
Caution!

18
The manufacturer is not responsible for any radio or TV interference caused by unauthorized
changes or modifications to this equipment. Such changes or modifications could void the user
authority to operate the equipment.
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
o 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 dierent 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.
All rights reserved. This manual may not be reproduced in any form, even in part, or duplicated or
processed using electronic, mechanical or chemical process without the written permission of the
publisher.
This booklet may contain errors or misprints. The information it contains is regularly checked and
corrections are included in subsequent editions. We disclaim any responsibility for any technical error
or printing error, or their consequences. All trademarks and patents are recognized.
FCC Statement

19
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.
La Crosse Technology, Ltd,
2830 S. 26th St.
La Crosse, WI 54601
For Full Warranty Details, Visit: www.lacrossetechnology.com/pages/warranty
Patents: www.lacrossetechnology.com/pages/patents
Designed in La Crosse, Wisconsin •Made in China •Printed in China •DC 060722
This product can expose you to chemicals including acrylonitrile, butadiene, and
styrene, which are known to the State of California to cause cancer and birth
defects or other reproductive harm.
For more information, go to: www.P65Warnings.ca.gov
CA WARNING:
California Statement
Warranty & Patents

Scan the QR code above or visit bit.ly/s74177_register
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