La Crosse Technology C85845 User manual

SET UP GUIDE
MODEL: C85845 (all versions)
WIRELESS COLOR
WEATHER STATION

Table of Contents
Power Up
Buttons
Settings Menu
WWVB Atomic Time
Signal
Forecast
Forecast Trend Arrows
Adjustable Backlight
Comfort Charts
03
03
04
05
06
06
07
07
12
12-13
13
14
14
15
BASICS TEMPERATURE/HUMIDITY
APPENDIX
Temperature/Humidity
Readings
Temperature/Humidty
Records
Trend Arrows
08
09
09
Stay in Touch
Specifications
Care & Maintenance
We’re Here to Help
Warranty & Patents
FCC Statement
TIME ALARM
Set Alarm
Activate/Deactivate Alarm
Snooze
05
05
06
ALERTS
Set Alerts
Active Alerts
Disarm Alerts
10
10
10
SENSOR
Search for Sensors
Low Battery Icon
Sensor Weather Shield
11
11
11
2

1. Insert 2-AA batteries into your Outdoor Sensor.
2. Insert the 5 volt power cord into an outlet, then into your
station. Optional: Insert 2-AA batteries for backup.
3. Enter the Settings Menu to adjust your time.
4. Once the sensor is reading to your thermometer, place the sensor
outside in a shaded location. View our sensor mounting video here:
bit.ly/th_sensor_mounting
3
POWER UP
Outdoor Sensor
TX141TH-B
(all versions)
Weather Station
C85845
BUTTONS

SETTINGS MENU
1. Hold the SET button until the display changes to enter the Settings
Menu.
2. Press and release the +or -button to adjust values. Press and
release SET to confirm and move to the next item.
3. Press the SNOOZE/BACKLIGHT button at anytime to exit the
Settings Menu.
Settings Menu order:
• Language
• Beep ON/OFF
• Atomic ON/OFF
• Time Zone
• DST ON/OFF
• 12H/24H
• Hour
• Minutes
• Year
• Month
• Date
• Fahrenheit/Celsius
Language: When Español is selected, the following instructions and
weekday will be presented in that language.
Weekday: Weekday sets automatically when Year, Month and Date are set.
AST
EST
CST
MST
PST
AKT
HAT
Atlantic
Eastern
Central
Mountain
Pacific
Alaskan
Hawaiian
Time Zone
4

WWVB ATOMIC TIME SIGNAL
• The station will automatically search for the atomic time signal at UTC
7:00, 8:00, 9:00, 10:00, and 11:00.
• The Atomic Time Signal Icon will flash while searching, and be solid
when connected.
• Press and release the SET button anytime, to manually search for the
atomic time signal.
• For information about WWVB visit: bit.ly/atomic_time
TIME ALARM
Set Alarm:
1. Hold the ALARM button to enter the Alarm Settings Menu.
2. Use the +/- buttons to adjust the flashing values.
3. Press the ALARM button to confirm and move forward.
Note: The alarm will activate after being set, indicated by the Alarm Icon .
Activate/Deactivate Alarm:
Press the ALARM button to activate or deactivate the alarm and view your
alarm time. The Alarm Icon will show only when alarm is active.
5
Alarm Hour Alarm Minutes Alarm Active

6
FORECAST
Your station uses changing atmospheric pressure to predict weather conditions
for the next 12-hours. When the outdoor temperature is below 32°F and the
forecast is Rain or T-Storm, the station will show Snow. Please allow 7-10 days
for barometric calibration. Note: Above 6,200 feet your forecast icons may not
change.
Sunny
Snow
T-Storm
Rain
Clouds
Partly Sunny
FORECAST TREND ARROWS
The Forecast Trend Arrows indicate the change in pressure over the past 3 hours.
No arrow indicates the pressure is steady.
Pressure is rising
Pressure is falling
Snooze:
• When alarm sounds, press the SNOOZE/BACKLIGHT button to silence
alarm for 10 minutes. The Snooze Icon Zz will flash.
• Press any button except SNOOZE/BACKLIGHT to silence the alarm for 24
hours.
• This is a crescendo alarm. It will sound for two minutes with increased
frequency, then shut o if no buttons are pressed.

When operating with the power cable, the backlight is adjustable to:
High, Low, or O.
1. Press and release the SNOOZE/BACKLIGHT button to adjust backlight.
2. When operating on batteries only, the backlight will come on briefly
when the SNOOZE/BACKLIGHT button is pressed.
ADJUSTABLE BACKLIGHT
COMFORT CHARTS
• Indoor & Outdoor comfort charts keep you informed when the humidity is
at a comfortable level.
• The bar over the chart will move to indicate the humidity level.
7

8
TEMPERATURE & HUMIDITY READINGS
Indicates rising and falling
Temperature trends.
Current Outdoor
Temperature.
Current Outdoor Humidity.
3. OUTDOOR TEMPERATURE
Indicates if the station is
receiving data from the
sensor.
4. RECEPTION ICON
2. TREND ARROW
5. OUTDOOR HUMIDITY
Shows an Alert is armed.
7. TEMPERATURE ALERT
Current Indoor Humidity
10. INDOOR HUMIDITY
10
11
Indicates rising and falling
Humidity trends.
6. TREND ARROW
Shows an Alert is armed.
1. TEMPERATURE ALERT
Indicates rising and falling
Temperature trends.
8. TREND ARROW
Current Indoor
Temperature.
9. INDOOR TEMPERATURE
Indicates rising and falling
Humidity trends.
11. TREND ARROW

All HI/LO temperature/humidity records reset automatically at 12:00
(midnight).
• Press and release the TEMP button once to view HI indoor and outdoor
temperature/ humidity records.
• Press and release the TEMP button a second time to view LO indoor and
outdoor temperature/humidity records.
• Press and release the TEMP button a third time to view outdoor Heat
Index.
• Press and release the TEMP button a fourth time to view outdoor
Dew Point.
• Press and release the TEMP button again to return to normal display.
9
TEMPERATURE & HUMIDITY RECORDS
The temperature and humidity trend indicators update with every 15
minutes and look back over the past hour to reflect change in
Temperature (2°F / 1°C) or Humidity 3% RH). When no arrows show, the
temperature or humidity remains steady.
TEMPERATURE & HUMIDITY TREND ARROWS
Temperature or Humidity
is falling
Temperature or Humidity
is rising

TEMPERATURE & HUMIDITY ALERTS
To set alerts:
1. Hold the ALERTS button to enter alert set mode. Outdoor HI ALERT OFF will
show. To set this alert value, press and release the +or -button to arm this
alert (ON).
2. When the alert is armed (ON) the alert value will flash. Press and release the +
or -button to change alert values.
3. Press and release the ALERTS button to confirm and move to the next alert. If
you do not wish to set an alert, press the ALERTS button again to move the next
alert or to exit.
4. Press the SNOOZE/BACKLIGHT button at anytime to exit the Alerts Menu.
Active Alert:
• The Alert Icon will only show when the alert is active, and indicate the HI or LO
alert.
• When armed alert value is reached, station will beep 5 times, once each minute,
until out of alert range.
• The flashing alert icon will indicate whether it is a LO or HI alert.
• Press any button to stop the temp alert sound.
• The alert icon will still flash while value is in alert range.
Disarm Alert:
1. Hold the ALERTS button to enter alert setting menu.
2. Press the ALERTS button until you see the alert you wish to disarm.
3. Press and release the +or -button to disarm the alert. The alert will not sound.
3. Press the SNOOZE/BACKLIGHT button to exit.
10
High Alert Active Low Alert Active Both Alerts are O

SEARCH FOR OUTDOOR SENSOR
11
LOW BATTERY INDICATOR
Low Battery Icon by Outdoor Temperature, replace batteries in the Outdoor
Sensor.
Low Battery Icon by the Indoor Temperature, replace batteries in the Station.
If you are seeing dashes for any sensor 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 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 sensor data is still not appearing after these steps, please contact
our support sta. For additional help visit: bit.ly/basic_restart
SENSOR WEATHER SHIELDNOT INCLUDED
• The Sensor Weather Shield is designed to protect your outdoor sensor
from rain and snow. Optional.
• This shield will oer limited protection from the sun’s heat.
• Optional Purchase at: bit.ly/925-1418

12
Ask questions, watch setup videos, and provide feedback on our social media
outlets. Follow La Crosse Technology on YouTube, Twitter, Facebook and Instagram.
STAY IN TOUCH!
SPECIFICATIONS
C85845 (all versions):
Temperature Range: 32°F to 122°F (0°C to 50°C)
Humidity Range: 10% to 99% RH
Update Interval: About every 60 seconds
Power Requirements: AC6: GPU280500150WA00
Optional: 3 “AA” Batteries (not included)
Battery Life: Over 12 months with reputable batteries

13
SPECIFICATIONS
TX141TH-B (all versions)
Temperature Range: -40°F to 140°F (-40°C to 60°C)
Transmission Range: over 330 feet
(100 meters) in open air RF 433MHz
Power Requirements: 2 “AA” LR6 Batteries (not included)
Battery Life: Over 24 months with reputable batteries
CARE AND MAINTENANCE
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.

14
WE’RE HERE TO HELP
If you require additional support, call our friendly customer support team based out
of La Crosse, Wisconsin.
Self Help: https://www.lacrossetechnology.com/products/c85845v6
Phone: [phone]
Online: bit.ly/contact_techsupport
Our knowledgeable customer support team is available: Monday-Friday,
8am-6pm CST.
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.gov
CA WARNING:
WARRANTY & PATENTS
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/support
Patents: www.lacrossetechnology.com/patents

15
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.
•Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
•Increase separation between equipment & receiver.
•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 transmitter.
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 changes or
modifications to this equipment. Such changes or 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.
Designed in La Crosse, Wisconsin •Made in China •Printed in China •DC 013123