La Crosse Technology S88785 User manual

Model: S88785 www.lacrossetechnology.com/support Page | 1
Model: S88785
Instruction Manual
DC: 092514
High Resolution Display
WIRELESS COLOR WEATHER STATION
FRONT VIEW
AC Power
Jack
DC 5.0V
Outdoor
Temp, humidity
+ Trends
Sensor
Battery
Cover
Sensor
Battery
Compartment
2 “AA”
Day/Night
Forecast + Trend
Seasonal image
change
Base
Stand
Indoor
Temp, humidity
+ Trends
OUTDOOR
SENSOR
TX143TH
Time, Calendar,
+ Time Alarm
Note: Please allow for the LCD screen to respond when a button is pressed.
LED
SIDE VIEW
Hanging
Keyholes
BUTTONS

Model: S88785 www.lacrossetechnology.com/support Page | 2
Quick Setup
Step 1: Insert the 5 volt AC cord (included) into the wall outlet then into the weather
station.
Step 2: Insert the 2 new AA batteries (included) into the TX143TH remote sensor.
Observe the correct polarity. The red LED will flashes during transmission.
Restart: If there is no remote temperature data after 3 minutes, unplug the AC adapter
and remove batteries from the remote sensor for 15 minutes. Return to Step 1.
Table of Contents
High Resolution Display.............................................................................................................................1
Quick Setup .................................................................................................................................................2
Table of Contents......................................................................................................................................2
Introduction................................................................................................................................................3
Features........................................................................................................................................................3
Detailed Setup: Weather Station and Remote Sensor...............................................................4
Button Functions.......................................................................................................................................4
▼(Down) Button: ........................................................................................................................................4
LIGHT Button: ...............................................................................................................................................4
SET Button: ................................................................................................................................................... 4
DISPLAY button.............................................................................................................................................5
ALARM Button:..............................................................................................................................................5
ALERT Button: ............................................................................................................................................... 5
▲(UP) Button: .............................................................................................................................................5
Set Time, Date, Temperature Unit .....................................................................................................8
12-hour or 24-hour Time Format.............................................................................................................. 8
Set Time .........................................................................................................................................................8
Set Calendar ..................................................................................................................................................8
Fahrenheit/Celsius........................................................................................................................................ 9
Alarm Set .....................................................................................................................................................9
Activate/Deactivate Alarm.......................................................................................................................... 9
Snooze ............................................................................................................................................................9
Backlight Adjustments HI / LOW / OFF ..........................................................................................5
Temperature Alerts.................................................................................................................................. 9
Active Temperature Alert/Turn Alert OFF ..............................................................................................10
Temperature/Humidity Trend indicators......................................................................................10
Search for Outdoor Sensor .................................................................................................................10
MIN/MAX (View, Reset) ...................................................................................................................... 11
Heat Index/ Dew Point ........................................................................................................................ 11

Model: S88785 www.lacrossetechnology.com/support Page | 3
Open/Close Window Recommendations ....................................................................................... 11
Color Forecast Icons.............................................................................................................................. 11
Forecast Tendency Indicators (Up, Right, Down Arrows) .....................................................12
Seasonal Day/Night changes to Forecast Icons........................................................................12
Outdoor Sensor Positioning and Use ..............................................................................................13
Care and Maintenance ..........................................................................................................................13
Specifications ...........................................................................................................................................14
Warranty Information ..........................................................................................................................14
FCC Statement .........................................................................................................................................15
Introduction
La Crosse Technology® introduces a NEW vivid Color Weather Station with a
high resolution, liquid-crystal display. View forecast in detailed photo-color scenes, track
indoor/outdoor temperature and humidity, and set temperature alerts-all on one device.
Features
Day/Night forecast icons and forecast tendency
Photo-color forecast scenes picture background
Forecast with tendency arrow: sunny, partly sunny, cloudy, rainy, stormy, snowy
12 hour forecast based on changing barometric pressure
Time (manual set)
12/24 hour time format
Perpetual Calendar (Day/Month/Date)
Backlight options: Hi / Low / Off
Low battery indicator for station and sensor
Alarm Time with Snooze
Indoor comfort level indicator
Indoor humidity and trend with daily MIN/MAX
Indoor temperature and trend with daily MIN/MAX
Indoor temperature alerts (LOW/HI)
Outdoor temperature and humidity
Sensor strength indicator
Barometric pressure history graph
Outdoor humidity and trend with daily MIN/MAX
Outdoor temp. and trend with daily MIN/MAX
Heat Index/Dew Point readings
Outdoor Temperature Alerts (LOW/HI)
Indoor temperature and humidity
Outdoor air condition
Open/Close window suggestion to achieve ideal indoor comfort

Model: S88785 www.lacrossetechnology.com/support Page | 4
Detailed Setup: Weather Station and Remote Sensor
STEP 1:
Insert the 5-volt A/C power adapter into the designated area on the back of the
Weather station.
Plug the A/C power adapter into a wall outlet for continuous backlight (ON/OFF),
and dimmer feature.
STEP 2:
Ensure that the sensor is within 10 feet of the Weather station.
Remove battery cover from sensor. Slide the battery cover down and lift off the
front of the sensor.
Insert two new AA batteries into the TX143TH sensor. Observe the correct
polarity.
Within three minutes, the Weather station will show readings in the
outdoor temperature area on the LCD.
Note: Use Alkaline batteries (or Lithium for temperatures below -20°F/-
28.8°C).
Button Functions
▼(Down) Button:
Setting Modes-
Press to decrease values during setting.
Hold 2 seconds to quickly adjust values.
Temperature Alert-
Press to arm or disarm temperature alerts
LIGHT Button:
Default Time Display-
Press to change the LCD backlight brightness. HI/LOW/OFF
Time Alarm-
Press to activate the snooze function when alarming
SET Button:
Default Time Display-
Hold for 3 seconds to set time/calendar, etc.
The weather station has 7 buttons across the front.

Model: S88785 www.lacrossetechnology.com/support Page | 5
DISPLAY button
Default Time Display-
Press and release to change display screens: Forecast Screen, Indoor Screen,
Outdoor Screen, Comfort Screen.
ALARM Button:
Default Time Display-
Press once to show alarm time
Hold for 2 seconds enter alarm setting mode
Alarm Mode-
Press to activate or deactivate time alarm.
ALERT Button:
Default Time Display-
Press to toggle between Remote High Alert, Remote Low Alert, Indoor High Alert and
Indoor Low Alert.
Hold to enter Alert setting
▲(UP) Button:
Setting Modes-
Press to increase the values during setting.
Hold 2 seconds to quickly adjust values.
Temperature Alert-
Press to arm or disarm alerts
Backlight Adjustments HI / LOW / OFF
The back light defaults to HIGH intensity when the weather station is
powered on.
Adjust the backlight to LO or OFF with a press of the LIGHT button.
Press the LIGHT button again to return to HIGH
LCD Screen Pages-Press DISPLAY button
The weather station offers four photo-color display screens for your
enjoyment. View what you want to see.
Press the DISPLAY button to select:
Forecast page
Indoor page
Outdoor page
Comfort page
Press the DISPLAY button at any time to select a new page.

Model: S88785 www.lacrossetechnology.com/support Page | 6
INDOOR DISPLAY
1. Time, alarm time with snooze and calendar
2. Indoor comfort level indicator
3. Indoor humidity and trend with daily MIN/MAX
4. Indoor temperature and trend with daily
MIN/MAX
5. Indoor temperature alerts (LOW/HI)
6. Outdoor temperature and humidity
FORECAST DISPLAY
1. Outdoor humidity and temperature with
trends
2. Day/Night forecast icons and forecast
tendency
3. Photo-color forecast scenes picture
background
4. Indoor humidity and temperature
5. Time
6. Alarm Time with Snooze
7. Perpetual Calendar (Day/Month/Date)

Model: S88785 www.lacrossetechnology.com/support Page | 7
Note: Please note that the images displayed in this manual are for reference only. The
correct values of temperature, humidity and forecast will display cordially to your
conditions.
COMFORT DISPLAY
1. Outdoor air condition
2. Open/Close window suggestion to achieve ideal
indoor comfort
3. Outdoor temperature and humidity
4. Time, alarm time with snooze and calendar
5. Indoor temperature and humidity
6. Indoor comfort level indicator
OUTDOOR DISPLAY
1. Time, alarm time with snooze and calendar
2. Sensor strength indicator
3. Barometric pressure history graph
4. Day/Night forecast icons and forecast
tendency
5. Outdoor humidity and trend with daily
MIN/MAX
6. Outdoor temp. and trend with daily
MIN/MAX
7. Heat Index/Dew Point readings
8. Outdoor Temperature Alerts (LOW/HI)
9. Indoor temperature and humidity

Model: S88785 www.lacrossetechnology.com/support Page | 8
Set Time, Date, Temperature Unit
Note: Time and date may be set from any display screen.
Hold the SET button to enter time set mode.
1. Press the ▼or ▲buttons to adjust the values.
2. Press the SET button to confirm adjustments and move to the next item.
Time Set Order:
1. 12/24 hour time format
2. Hour
3. Minutes
4. Year
5. Month
6. Date
7. Fahrenheit/Celsius
Press the SET button to exit, or wait 20 seconds without pressing buttons to return to
the normal time display.
12-hour or 24-hour Time Format
The Time may be displayed in 12-hour or 24-hour format. Default is 12-hour time.
Note: When in 12-hour format AM or PM will show in front of the hour.
1. 12H will flash in the time display.
2. Press and release the ▼or ▲buttons to select 24-hour time.
3. Confirm with the SET button and move to Set Time.
Set Time
To set the time manually:
1. The hour digit will flash.
2. Press and release the ▼or ▲buttons to select the hour.
3. Press and release the SET button to set the minutes.
4. The minute’s digit will flash.
5. Press and release the ▼or ▲buttons to select the minutes.
6. Confirm with the SET button and move to Set Calendar.
Set Calendar
The date default of the weather station is 1. 1. 2014.
To set the calendar:
1. The year will flash.
2. Press and release the ▼or ▲buttons to set the year (up to 2099).
3. Press the SET button again to confirm and to enter the month setting.
4. The month will flash.
5. Press and release the ▼or ▲buttons to set the month.
12H

Model: S88785 www.lacrossetechnology.com/support Page | 9
6. Press the SET button again to confirm and enter the date setting.
7. The date will flash.
8. Press and release the ▼or ▲buttons to set the date.
9. Confirm all calendar settings with the SET button to confirm and move to select
Fahrenheit/Celsius.
Note: The day of the week will set automatically once the year, month and date are set.
Fahrenheit/Celsius
1. °F will flash.
2. Press and release the ▼or ▲buttons to select Fahrenheit or
Celsius.
3. Confirm with the SET button and exit the program menu.
Alarm Set
Note: Alarm time may be set from any display screen.
Hold the ALARM button for 5 seconds to enter the alarm time
set mode.
1. The alarm hour digit will flash in the time display.
2. Press and release the ▼or ▲buttons to select the hour.
3. Press and release the ALARM button to set the minutes. The minute digits will flash.
4. Press and release the ▼or ▲buttons to select the minutes.
5. Confirm with the ALARM button and exit.
Activate/Deactivate Alarm
Press the ALARM button once to view alarm time.
Press the ALARM button again to activate the alarm.
Once activated, the ON icon appears.
Press the ALARM button again to deactivate the alarm.
The OFF icon will appear.
Snooze
When alarm sounds, press the LIGHT button to silence the alarm for 10
minutes.
The snooze icon will show.
In snooze mode, press any button to stop alarm for one day.
Note: The alarm is crescendo sound. The alarm sounds for 2 minutes and then will shut
off completely.
Temperature Alerts
The weather station offers individual, programmable high and
low temperature alerts.

Model: S88785 www.lacrossetechnology.com/support Page | 10
1. Press the DISPLAY button to select the Indoor or Outdoor
page.
2. Hold the ALERT button for 3-5 seconds
3. The low temperature alert value will flash.
4. Press the ▼or ▲buttons to adjust the low alert values.
5. Press the ALERT button to confirm & move to activate the
alert.
6. Press the ▼or ▲buttons to turn the low alert ON/OFF.
7. Press the ALERT button to confirm & move to the high temperature alert. The high
alert will flash.
8. Press the ▼or ▲buttons to adjust the values.
9. Press the ALERT button to confirm & move to activate the alert.
10.Press the ▼or ▲buttons to turn the high alert ON/OFF.
11.Press the ALERT button to confirm & exit alert settings.
Press the ALERT button to exit, or wait 20 seconds without pressing buttons to return to
normal time display.
Active Temperature Alert/Turn Alert OFF
Active alert emits a series of beeps once per minute with a flashing yellow
alert ON icon.
Turn Alert Off:
Hold the ALERT button for 3-5 seconds. The low alert value will flash.
Press the ALERT button until the flashing yellow alert ON icon is selected.
Press the ▼or ▲buttons to turn the alert OFF.
Note: Change the value of the alert higher/lower if desired and leave the alert ON.
Temperature/Humidity Trend indicators
The indoor and outdoor temperature/humidity trend indicators will update every 30
minutes or less. These trends represent temperature changes over the past three hours.
Example: At 1:00pm, the arrow indicates the change in temperature since 10:00am. At
1:30pm, the arrow will indicate the temperature change since 10:30am.
Temperature has risen in the past 3 hours.
Humidity has risen in the past 3 hours.
Temperature has not changed in the past 3 hours.
Humidity has not changed in the past 3 hours.
Temperature has fallen in the past 3 hours.
Humidity has fallen in the past 3 hours.
Search for Outdoor Sensor
Hold the ▲button to search for the outdoor sensor.
The temperature reading will show dashes until reconnected.
Open the outdoor sensor and press the TX button to send a signal.

Model: S88785 www.lacrossetechnology.com/support Page | 11
MIN/MAX (View, Reset)
These are daily MIN/MAX readings that automatically reset.
Indoor and Outdoor MIN/MAX temperatures are constantly displayed on the indoor
and the outdoor pages.
The forecast station will show the daily minimum and maximum temperatures each
day starting at midnight (12:00 AM).
The forecast station automatically resets the min/max temperatures at midnight
(12:00 AM).
Heat Index/ Dew Point
Outdoor heat index and dew point temperatures are constantly displayed on the
outdoor page.
Open/Close Window Recommendations
Note: Open/Close Window Indicator is a suggestion to achieve ideal indoor comfort
Open Window:
Humidity: 32-75%
Temperature: 62- 78 degrees
When both outdoor temperature and humidity are in this range the
window stays open. If either the humidity or the temperatures are out
of this range the window goes to the closed position.
Closed Window:
Humidity: 1-32% and 76- 100%
Temperature: -40 to 61 and 79 to 140 degrees
When either the outdoor temperature or humidity are in this range the window stays
closed.
Color Forecast Icons
Animated forecast icons use changing atmospheric pressure to predict weather
conditions for the next 12-hours with 70-75% accuracy.
DAY
NIGHT
INTELLIGENT WEATHER FORECAST ICONS
This station learns; please allow 3 to 4 weeks for barometric calibration. This will ensure an
accurate personal forecast for your location.
Note: It is important that Time and Date are set for the Day/Night changes are as specified.

Model: S88785 www.lacrossetechnology.com/support Page | 12
Forecast Tendency Indicators (Up, Right, Down Arrows)
Working with the forecast icons, the tendency indicators let you know if the weather is
improving, steady or worsening.
Rising Pressure Weather
is Expected to Improve
Steady Pressure Weather
is Expected to Stay the
Same
Falling Pressure Weather
is Expected to Worsen
24 Hour Pressure History Graph
The bar chart indicates the air pressure history trend over the
last 24 hours.
The “0” is equal to the current pressure and each bar represents
how past pressure was compared to the current pressure.
Read the graph from left to right. If the bars are rising, it means
that the weather is getting better due to the increase of air pressure.
If the bars go down, it means the air pressure has dropped and the weather is
expected to worsen from the present time.
Seasonal Day/Night changes to Forecast Icons.
On the Forecast page, the tree foliage will change seasonally.
The entire background will change daily between night images and day images.
The Outdoor page will show the day/night changes with the forecast icon.
Note: Day and Night start times, vary by season.
Spring/Rainy Summer/Cloudy Autumn/Stormy Winter/Snowy

Model: S88785 www.lacrossetechnology.com/support Page | 13
Day & Night
Parameters
Day
Starts
Night
Starts
Spring:
March 20th –June 20th
6:53am
7:57pm
Summer:
June 21st –Sept. 20th
6:18am
8:19pm
Autumn:
Sept. 21st –Dec 20th
6:50am
5:15pm
Winter:
Dec 21st –Mar 19th
7:18am
5:48pm
Outdoor Sensor Positioning and Use
Mount the outdoor sensor on a north-facing wall or in any well shaded area. Under
an eave or deck rail is preferred.
The maximum wireless transmission range to the weather station is over 300 feet
(91.44 meters) in open air, not including walls or floors.
Be sure the outdoor sensor is mounted vertically.
Care and Maintenance
Do not mix old and new batteries
Do not mix Alkaline, Standard, Lithium or Rechargeable Batteries
Always purchase the correct size and grade of battery most suitable for intended use.
Replace all batteries of a set at the same time.
Clean the battery contacts and also those of the device prior to battery installation.
Ensure the batteries are installed with correct polarity (+and -).
Remove batteries from equipment with is not to be used for an extended period of
time.
Remove used batteries promptly.
Do not expose to extreme temperature, vibration or shock.
Clean 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
intended for home use only.
The specs of this product may change without prior notice.
Improper use or unauthorized opening of housing voids warranty.
If the product is not working properly, change the batteries and/or check the AC cord
connection.
Note: Average sunrise and sunset times were used because of the different sunrise and
sunset times across the United

Model: S88785 www.lacrossetechnology.com/support Page | 14
Specifications
Indoor
Temperature Range:
+32°F to +122°F (0°C to 50°C)
Humidity Range:
19%-99% (RH)
Outdoor
Temperature Range:
-40°F to 140°F (-40°C to 60°C)
Alkaline Batteries:
-20°F to 140°F (-29°C to 60°C)
Lithium Batteries:
-40°F to -20°F (-40°C to -29°C)
NOTE:
Temperatures below - 20°F (-29°C) require Lithium
batteries in the outdoor sensor
Humidity Range:
19%-99% (RH)
Distance:
Over 300 ft. (91.44 meters) RF 915MHz (open air)
Power
Weather Station
AC Power:
AC Adapter No.:
5-volt power adapter (included)
HNBB050100WU
TX143TH Outdoor sensor :
2-AA, IEC, LR6 batteries (not included)
Battery Life
TX143TH Outdoor sensor :
Battery life is over 24 months when using reputable
battery brands for both Alkaline and Lithium batteries
Dimensions
Weather Station:
5.09"L x 1.37"W x 8.46"H (129.33 x 34.92 x 214.92 mm)
TX143TH Outdoor sensor:
1.57"L x 0.79"W x 5.12"H (40 x 20 x 130mm)
Warranty 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
2830 South 26th St.
La Crosse, WI 54601
Contact Support:
1-608-782-1610
Product Registration:
www.lacrossetechnology.com/support/register

Model: S88785 www.lacrossetechnology.com/support Page | 15
Online Product Support:
www.lacrossetechnology.com/support
Protected under U.S. Patents:
5,978,738//6,076,044//RE43903
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 must not be co-located or operating in conjunction with any other antenna or
sensor. 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!
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 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.