La Crosse Technology S77925V2 User manual

SET UP GUIDE
MODEL: S77925v2
Wireless Weather Station
with Atomic Time + Date

Table of Contents
Power Up
Outdoor Sensor Search
Low Battery Indicator
02
11
11
Stay in Touch
We’re Here to Help
Specifications
Care & Maintenance
California Residents
Warranty Info
FCC Statement
13
13
14
14
14
15
15
POWERUP & TROUBLE SHOOTING WEATHER STATION APPENDIX
Setting Menu
Atomic Time
Adjustable Backlight
Auto-Dim Settings
Indoor Comfort Level
Moon Phase
Seasonal Foliage
Forecast Icons
Pressure Number
Pressure History Graph
History Records
Customizable Alerts
Extra Sensor Area
Button Functions
03
04
04
05
05
06
06
07
07
07
08
09
10
12

1. Insert 2-AA batteries into your Outdoor Sensor.
2. Insert the 5.0V Power Adapter into a working outlet. Then insert the
Power Jack end into the back of the Weather Station.
Optional: Insert 3 “AA” batteries for backup.
3. Once the sensor is reading to your station, 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
Power Up
2
Basics
Outdoor Sensor
TX141TH-Bv3
AA
AA
Weather Station
S77925v2
AA
AA
AA

3
Weather Station
1. Hold the SET button to enter the Settings Menu.
2. Use the +/- buttons to adjust values.
3. Press SET to confirm values and move to the next setting.
4. Press 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) (Standard Time all year) (DST all year)
• Time Zone
• 12HR/24HR
• Hour
• Minute
• Year
• Month
• Date
• Fahrenheit/Celsius
• Decimal/No Decimal (Temperature Reading)
• Pressure: InHg / hPa
• Pressure number setting
Settings Menu
7 Time Zones
ATLANTIC
EASTERN
CENTRAL
MOUNTAIN
PACIFIC
ALASKA
HAWAII

4
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 the SET 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 the LIGHT button to adjust the backlight intensity.
• There are 4 brightness levels, plus an o option.
Adjustable Backlight

5
Note: Only the hour can be set.
Auto-Dim Settings
1. Hold the LIGHT button to enter the
Auto-Dim Settings Menu.
Program your display to automatically dim during preselected times.
2. Press the +/- buttons to turn the Auto-Dim
feature on or o. Press LIGHT to confirm.
3. Press the +/- buttons to adjust the starting
hour. Press LIGHT to confirm.
4. Press the +/- buttons to adjust the
stopping hour. Press LIGHT to confirm and
exit.
Indoor Comfort Level
Note: Indoor Humidity may not change frequently.
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 LEVEL COMFORT LEVEL COMFORT LEVELCOMFORT LEVEL

6
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

7
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
• The forecast icons use the station’s internal barometer to
predict conditions to come within the next 12 hours. For more
info, watch our video here: bit.ly/forecast_vid
• 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.

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
•Heat Index
•Dew Point
Resetting Individual Records
1. Press the HISTORY button until viewing 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. 8
MOON PHASE COMFORT LEVEL
HUMDITY HUMDITY
BAROMETRIC
PRESSURE
MOON PHASE COMFORT LEVEL
HUMDITY HUMDITY
BAROMETRIC
PRESSURE

Customizable Alerts
Alert Sounds
Setting Custom Alerts
9
MOON PHASE COMFORT LEVEL
HUMDITY HUMDITY
BAROMETRIC
PRESSURE
 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.
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
1. Hold the ALERTS button until the display
changes to the Alert Settings.
2. Use 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.
When in the Alerts Settings Menu, use the +/- buttons to activate or
deactivate alerts. Indicated by the icons in that section.

10
Pressure (default) Temperature/HumidityRain
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/s77925v2_parts or scan the QR code to find and
purchase compatible add-on sensors.
Extra Sensor Area
This station can display data for an add-on Rain Gauge as well as up to three
additional Temp & Humidity Sensors. These readings will all appear in the
upper left section of the LCD.

11
If you are seeing “NO” or dashes for your outdoor readings, please try the
following steps:
1. Hold the +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 from both 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 into your
station.
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.
Troubleshooting

12
ALERTS Hold to enter Alert Settings.
Alerts: Press to move to next item.
EXTRA Press to view Pressure or Extra Sensors (if added).
Hold to search for all Extra Sensors.
+ PLUS
Hold to search for sensor in Outdoor Sensor Area.
Settings: Press to increase values.
Alerts: Press to arm/disarm alerts.
SET Hold to enter Settings Menu.
Settings: Press to confirm and move forward.
 MINUS
Settings: Press to decrease values.
Alerts: Press to arm/disarm alerts.
History: Hold to reset History Records.
Extra Sensors: While viewing Extra Sensor, hold to delete sensor.
HISTORY Press to view History Records.
LIGHT Press to adjust backlight.
Hold to enter Auto Dim Settings.
ALERTS & LIGHT Hold to Factory Reset station.
Note: When programming your station, press or hold one button at a time.
Button Functions

13
Follow La Crosse Technology on YouTube, Twitter, Facebook and Instgram.
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 Support: bit.ly/s77925v2_support
Product information: bit.ly/s77925v2
Our knowledgable customer support team is available: Mon-Fri 8am-6pm CST
We’re Here to Help
Appendix
Scan for Manual/FAQs Scan for Product Page

14
Weather Station (S77925v2)
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
Optional: 3 “AA” LR6 Batteries (not 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: 8.98” L x 1.14” W x 5.43” H
(22.8cm L x 2.9cm W x 13.8cm H)
Specifications
Outdoor Sensor (TX141TH-Bv3)
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, LR6 batteries (not included)
Battery Life: Over 24 months
Dimensions: 1.57” L x 0.79” W x 5.12” H
(4.0cm L x 2.0cm W x 13.0 H cm)
Care & Maintenance
Battery Replacement Instructions
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.
•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.
California Residents
WARNING: 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

15
Designed in La Crosse, Wisconsin •Made in China •Printed in China •DC 021722
Warranty Info
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
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