La Crosse Technology C85845 Operating and maintenance manual

Model: C85845
Instructional Manual
DC: 051816
Color Forecast Station
Table of Contents
LCD Features .......................................................................
Setup .................................................................................
Atomic Time ........................................................................
Set Language, Time, Date etc. ...............................................
Alarm Time .........................................................................
Deactivate/Activate Alarm .....................................................
Snooze ...............................................................................
Backlight (HI-LOW-OFF) ........................................................
Comfort Charts ....................................................................
Daily HI/LO Data ..................................................................
Temperature/Humidity Alerts .................................................
Temperature Trend Arrows .....................................................
Humidity Trend Arrows ..........................................................
Sensor Search .....................................................................
Forecast ..............................................................................
Forecast Trend Arrows ..........................................................
Mount Temperature/Humidity Sensor ......................................
Care and Maintenance ..........................................................
Warranty and Support ...........................................................
Specications ......................................................................
Visit Us on Social Media ........................................................
FCC Statement ....................................................................
Canada Statement ...............................................................
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View online setup video at:

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Alerts (HI-LO-OFF)
Temperature Trend
Indoor Temperature
Low Battery
Indoor Humidity
Humidity Trend
Comfort Chart
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Forecast Trend
Forecast Symbols
AM/PM
Atomic Time
Alarm/Snooze
Weekday
Month/Date
8Atomic Reception
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Alerts (HI-LO-OFF)
Temperature Trend
Outdoor Temperature
Low Battery
Sensor Strength
Outdoor Humidity
Humidity Trend
8Comfort Chart
SETSNOOZE/BACKLIGHTTEMP
ALARM
ALERTS
Buttons (on top)
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LCD Features
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Setup
1. Insert 2-AA batteries (included) into the TX141TH-Bv2 sensor.
Observe correct polarity.
2. Insert 5.0 volt AC cord into the outlet, then into the weather
station.
3. (Optional): insert 3-AAA batteries (included) into the weather
station. Observe correct polarity.
4. Set language, time, date etc.
5. After 5 minutes, place sensor outside in a shaded location.
AA
AA
• The station will search for the atomic signal at UTC 7:00, 8:00,
9:00, 10:00, and 11:00.
• If there is no WWVB reception, the station will search for the atomic
time signal every 2 hours until the WWVB time is received.
• The atomic time signal icon will ash while searching. The tower
icon will be solid when it has connected.
• After reception, this station will only search for the atomic signal
after midnight.
• From normal time display, press and release the SET button to
search for the WWVB time signal.
• Please be sure you have selected your time zone from the list in the
Settings menu. When the Atomic time signal is received, the station
will set to the time zone selected. Default is Eastern Time.
• For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
Atomic Time
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AAA
AAA
AAA

Set Language, Time, Date, etc.
Note: Press one button at a time when setting the station.
To begin: Hold the SET button 3 seconds, then release, to enter the
settings menu:
1. Language
2. Beep ON | OFF
3. Atomic ON | OFF
4. Time Zone
AST
EST
CST
MST
PST
AKT
HAT
Atlantic
Eastern
Central
Mountain
Pacific
Alaskan
Hawaiian
Time Zone
When Atomic OFF is selected,
move directly to 12/24 hour time.
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Set the Time Zone to your
area for the hours to be correct.
• Hold, then release the SET button to enter time set mode.
• Press and release the +or -buttons to adjust the values. Hold to
adjust quickly.
• Press and release the SET button to conrm and move to the next
item.
• Press and release the BACKLIGHT button any time to exit settings.
Settings order:
1. Language
2. Beep ON/OFF
3. Atomic ON/OFF
4. Time Zone
5. DST ON/OFF
6. 12H/24H
7. Hour
8. Minutes
9. Year
10.Month
11.Date
12.Fahrenheit/Celsius
Note: When Español is
selected, instructions
will be in Spanish.

5. DST ON | OFF
6. 12Hour | 24 Hour
7. Hour | 8. Minutes
9. Year | 10. Month | 11. Date
12. Fahrenheit | Celsius
Alarm Time
Alarm will be active when alarm
time is set.
1. Hold the ALARM button for 3
seconds to enter alarm settings.
2. The HOUR will show.
3. Press the +/- buttons to adjust.
4. Press ALARM to conrm and
move to the minutes
5. The MINUTES will show.
6. Press the +/- buttons to adjust.
7. Press ALARM to conrm and
exit settings.
Hour | Minutes
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Note: Weekday will adjust when
year, month, and date are set.
Deactivate/Activate Alarm
• The alarm is active when set.
• Press and release the ALARM button to view alarm time. Then press
and release the ALARM button to deactivate or activate the alarm.
• The alarm icon (bell) will show when active.

Backlight (HI-LOW-OFF)
• When operating with the power cable, the backlight is adjustable:
HI-LOW-OFF.
• Press and release the BACKLIGHT button to adjust backlight.
• When operating on batteries only, the backlight will come on
briey when the BACKLIGHT button is pressed.
Comfort Charts
Indoor and Outdoor comfort charts inform you when the humidity is
at a comfortable or uncomfortable level. The bar over the chart will
move and change colors to indicate the humidity level.
All HI/LO temperature/humidity
records will reset automatically at
12:00 (midnight).
From normal display, press and release
the TEMP button to view:
• HI indoor and outdoor temperature/
humidity records.
• LO indoor and outdoor temperature/
humidity records.
• Outdoor Heat Index.
• Outdoor Dew Point.
Daily HI/LO Data
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• When the alarm sounds, press the SNOOZE button to silence
the alarm for 10 minutes.
• The snooze icon Zz will ash.
• Press any button except SNOOZE to silence the alarm for 24 hours.
Snooze

Temperature/Humidity Alerts
First you will arm the alert you wish to set, then you set the alert value.
If an alert is not armed (OFF), you will skip that alert value and move
to arm the next alert.
1. Hold, then release the ALERTS button to enter alert set mode.
2. Press and release the +/- buttons to arm (ON) the alert if you wish
to set it (leave alert OFF to skip and move to next alert).
3. When the alert is armed (ON) press and release the ALERTS button
to move to the alert value.
4. Press and release the +/- buttons to adjust alert values.
5. Press and release the ALERTS button to conrm & move to the next
alert.
6. Press the BACKLIGHT button at any time to exit settings.
Alert Setting Order:
• Outdoor HIGH Temperature ON/OFF
• Outdoor HIGH Temperature Value
• Outdoor LOW Temperature ON/OFF
• Outdoor LOW Temperature Value
• Outdoor HIGH Humidity ON/OFF
• Outdoor HIGH Humidity Value
• Outdoor LOW Humidity ON/OFF
• Outdoor LOW Humidity Value
• Indoor HIGH Temperature ON/OFF
• Indoor HIGH Temperature Value
• Indoor LOW Temperature ON/OFF
• Indoor LOW Temperature Value
• Indoor HIGH Humidity ON/OFF
• Indoor HIGH Humidity Value
• Indoor LOW Humidity ON/OFF
• Indoor LOW Humidity Value
Note: When no HI or LO Temperature Alert is set, OFF will show.
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Temperature Trend Arrows
The temperature trend indicators update with every 15 minutes and
look back over the past hour.
• Change in temperature (2°F / 1°C).
• 1 hrs comparison which changes on every 1/4 hour
E.g.: At 1:00 - compare to 12:00 data; at 1:15 -compare to 12:15: at
1:30 - compare to 12:30 ….. etc
Down Arrow (blue):
temperature has fallen
in the past hour
Up Arrow (red):
temperature has risen
in the past hour
Humidity Trend Arrows
The humidity trend indicators update with every 15 minutes and look
back over the past hour.
• Change in humidity (3%RH).
• 1 hr comparison which changes on every 1/4 hour
E.g.: At 1:00 - compare to 12:00 data; at 1:15 -compare to 12:15: at
1:30 - compare to 12:30 ….. etc
Up Arrow: humidity has risen in past hour
Down Arrow: humidity has fallen in past hour
Sensor Search
• Hold the TEMP button for 3 seconds to search for the outdoor
temperature/humidity sensor.
• The strength signal icon will animate until the sensor signal is
received, or for 3 minutes if no signal available.
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No Arrows or Thermometers
temperature has not changed more than 2°F in the past hour

Forecast
1. The weather station offers these 6 forecast icons based on
barometric pressure.
2. When the forecast would normally be Rain or T-Storm and the
outdoor temperature is below 32°F, the forecast will show Snow.
3. Wind indicators will show on T-Storm and Snow forecast.
SUNNY PARTLY SUNNY CLOUDY
RAIN T-STORM SNOW
Forecast Trend Arrows
Pressure is rising. Weather is
expected to improve.
Pressure is falling. Weather is
expected to worsen.
Intelligent Weather Forecast:
This station learns. Please allow 7-10 days for barometric calibration.
This will ensure an accurate personal forecast for your location.
Six forecast icons use changing atmospheric pressure to predict
weather conditions for the next 12-hours with 70-75% accuracy.
Low Battery
• Battery by Outdoor Temperature, replace batteries in the sensor.
• Battery by Indoor Temperature, replace batteries in the Weather
station.
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• Insert the mounting screw through the front of the
sensor and into the wall.
• Tighten the screw to snug (do not over tighten).
• Mount the sensor on a north-facing wall or in any well
shaded location. Sun will make it read high.
• Under an eave or deck rail is preferred.
• Be sure the outdoor sensor is mounted vertically to drain
moisture.
• The maximum wireless transmission range is over 300
feet (91 meters) in open air, not including walls or oors.
Mount Temperature/Humidity Sensor
• 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 which is not to be used for an
extended period of time.
• Promptly remove expired batteries.
Care and Maintenance
Warranty and Support
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.
Before returning a product, please contact our friendly
customer support with questions or visit our online help:
Phone: [phone]
Online Product Support:
www.lacrossetechnology.com/support
Product Registration:
www.lacrossetechnology.com/support/register
View full warranty details online at:
www.lacrossetechnology.com/warranty_info.pdf
Warranty Address:
La Crosse Technology, Ltd
2830 S. 26th St.
La Crosse, WI 54601
Protected under U.S. Patents: 5,978,738 | 6,076,044 | RE43903
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Specications
Indoor • Temperature Range: 32°F to 122°F (0°C to 50°C)
• Humidity Range: 10% - 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 140°F (-40°C to 60°C)
Note: Temperatures below -20°F (-29°C) require
Lithium batteries in the outdoor sensor
• Humidity Range: 10% - 99% (RH)
• Distance: Over 300 ft. (91 meters)
RF 433MHz (open air)
Power
• Forecast Station Primary AC Power:
5.0 volt AC power adapter
• AC6 Adapter No.: GPU280500150WAOO
• Optional/Battery Backup:
3-AAA, IEC, LR3 batteries (included)
Battery
Life
• TX141TH-Bv2 Sensor:
2-AA, IEC, LR6, batteries (included)
• Forecast Station Battery Backup:
Battery life is over 36 months when using the AC
adapter for primary power
Dimensions
• Forecast Station:
8.98” W x 5.43” T x 1.0” D
(22.8cm W x 13.8cm T x 2.6 cm D)
• TX141TH-Bv2 Sensor:
1.57” W x 5.12” T x 0.79” D
(4.0cm W x 13.0cm T x 2.0cm D)
• TX141TH-Bv2 Sensor:
Battery life is over 24 months when using
reputable battery brands
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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 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 modications to this equipment. Such changes or
modications 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.
Canada Statement
This device complies with CNR Industry Canada license -exempt devices.
Operation is subject to the following two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference that may
cause undesired operation of the device.
FCC Statement
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