La Crosse Technology S77925v2 wireless weather station with atomic time + date User Guide

: June 5, 2024
: LA CROSSE TECHNOLOGY

La Crosse Technology S77925v2 wireless weather station with atomic time + date User Guide

Basics

Power Up

Insert 2-AA batteries into your Outdoor Sensor.
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.
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

Sensor

Weather Station

Hold the SET button to enter the Settings Menu.
Use the +/- buttons to adjust values.
Press SET to confirm values and move to the next setting.
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

7 Time Zones
ATLANTIC
EASTERN
CENTRAL
MOUNTAIN
PACIFIC
ALASKA
HAWAII

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.

Atomic Time

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

Adjustable Backlight

Press the LIGHT button to adjust the backlight intensity.
There are 4 brightness levels, plus an off option

Auto-Dim Settings

Program your display to automatically dim during preselected times.

Hold the LIGHT button to enter the Auto-Dim Settings Menu. Program your display to automatically dim during preselected times.
Press the +/- buttons to turn the Auto-Dim feature on or off. Press LIGHT to confirm.
Press the +/- buttons to adjust the starting hour. Press LIGHT to confirm.
Press the +/- buttons to adjust the stopping hour. Press LIGHT to confirm and exit.

Note: Only the hour can be set.

Indoor Comfort Level

Using relative humidity, these arrows will indicate your indoor comfort level. A feature that can help keep your home safe and comfortable.

Indoor Comfort Level

Note: Indoor Humidity may not change frequently.

Moon Phase

The moon phase is based on the Lunar Calendar and the year, month, and date settings.

Moon Phase

Seasonal Foliage

The foliage scene in the forecast section changes seasonally.The dates are pre-programmed.

Seasonal Trees Changes
Seasonal Foliage

Forecast Icons

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.

Forecast Icons

Pressure

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.

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

Press the HISTORY button until viewing the value you’d like reset.
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

Customizable Alerts

Setting Custom Alerts

Hold the ALERTS button until the display changes to the Alert Settings.
Use the **buttons to activate/deactivate and adjust alerts settings. Press ALERTS** to confirm your selection.
Your programmed alerts are active when the and icon appear on the LCD.

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 in the Alerts Settings Menu, use the +/- buttons to activate or deactivate alerts. Indicated by the icons in that section.

Alert Sounds

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.

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.

LCD section

Add Extra Sensors:

Install batteries into your extra sensor(s).
Note: For Temp/Humidity sensors, be sure to select different channels (1,2,3) before you insert batteries.
Hold the EXTRA button on the station until the Reception Indicator starts to animate. This will start a search for your Extra Sensors.
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.

Troubleshooting

Search for Outdoor Sensor

If you are seeing “NO” or dashes for your outdoor readings, please try the following steps:

Hold the button to search for your outdoor sensor. The Reception Indicator will begin to animate.
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.
Press any button on the station 20 times and leave the parts sit for a few moments with the power off.
Install a new set of alkaline batteries into the sensor, then into your station.
If your outdoor data is still not appearing after these steps, please contact our support staff. For additional help visit: bit.ly/basic_restart

Low Battery Indicator

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.

Button Functions

Icon

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.

Appendix

Stay in Touch!

Ask questions, watch setup videos, and provide feedback on our social media outlets.

Social media icon

Follow La Crosse Technology on YouTube, Twitter, Facebook and Instgram.

Specifications

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 socketoutlet 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)

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 different brand or type are used together, or new and old batteries are used together, some batteries may be over-discharged due to a difference 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 different 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

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

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:

This device may not cause harmful interference, and
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.