La Crosse WS-9170U-IT User manual

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WEATHER STATION
WS-9170U-IT
Instruction Manual
Congratulations on purchasing this state-of-the-art weather station as an example of excellent
design and innovative technology. This thermo-hygrometer checks indoor temperature/humidity
and outdoor temperature/humidity with wireless transmission. To promote a healthy living
environment, it features a comfort level indicator and a ventilation tip –opening or closing the
window to help improve the indoor ambient condition.
INSTANT TRANSMISSION is the state-of-the-art new
wireless transmission technology, exclusively designed and
developed by LA CROSSE TECHNOLOGY. INSTANT
TRANSMISSION offers you an immediate update (every 4
seconds!) of all your outdoor data measured from the
transmitters: follow your climatic variations in real-time!
This product offers:

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THE WEATHER STATION
Hanging hole
Battery
compartment
Foldout stand
Function keys
LCD
display
Function
key

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FEATURES
Indoor comfort level indicator (DRY, COMFORT, WET)
Indoor ambient change indicator (MORE WET, NO CHANGE, MORE DRY)
OPEN/CLOSE window advice
Indoor and outdoor temperature display in ºF / ºC with MIN/MAX records
Indoor and outdoor humidity display in %RH with MIN/MAX records
Manual reset of all MIN/MAX records
Low battery indicators
Wall mounting or table standing (foldout stand)
Outdoor Thermo-hygro Transmitter
Remote transmission of outdoor temperature and humidity to weather station by
915MHz signal
Water-resistant casing
Wall mounting case

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SET UP
Note: This weather station receives only one outdoor transmitter.
IMPORTANT
Do not mix old and new batteries.
Do not mix alkaline, standard, or rechargeable batteries.
1. First, insert the batteries into the thermo-hygro transmitter and place 5-10 feet from the weather
station.
2. Within 30 seconds, insert batteries into weather station. Once the batteries are in place, all
segments of the LCD will light up briefly. Then the indoor temperature, humidity and comfort level
indicator will be displayed. If these are not displayed after 60 seconds, remove the batteries and
wait for at least 60 seconds before reinserting them.
3. After inserting the batteries, the weather station will start receiving data from the transmitter. The
outdoor temperature, humidity and the signal reception icon should then be displayed on the
weather station. If this does not happen after 3 minutes, the batteries will need to be removed
from both units and reset from step 1.
4. Allow the weather station and transmitter to sit 5-10 feet apart for 15 minutes to establish a good
connection.
5. In order to ensure successful 915 MHz transmission after the initial set up, maintain an open air
distance, no more than 330 feet (100 meters) between the final position of the weather station and
the transmitter (see notes on “915 MHz Reception” and “Positioning”).

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INSTALL AND REPLACE BATTERIES IN THE OUTDOOR TRANSMITTER
The thermo-hygro transmitter uses 2 x AAA, IEC LR3, 1.5V batteries. When batteries need
to be replaced, the low battery icon will appear on the OUTDOOR section of the LCD.
To install and replace the batteries, please follow the steps below:
1. Remove the battery compartment cover at the back of the transmitter.
2. Insert the batteries, observing the correct polarity (see marking).
3. Replace the battery compartment cover on the unit.
Note: When changing batteries in any of the units, all units need to be reset by following
the setting up procedures. This is because a security code is assigned by the transmitter at
start-up and this code must be received and stored by the weather station in the first 3
minutes of power supplied to it.
INSTALL AND REPLACE BATTERIES IN THE WEATHER STATION
The weather station uses 2 x AAA, IEC LR3, 1.5V batteries. When batteries
need to be replaced, the low battery icon will appear on the INDOOR
section of the LCD. To install and replace the batteries, please follow the
steps below:
1. Lift up the battery compartment cover.
2. Insert batteries observing the correct polarity (see marking).
3. Replace compartment cover.

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BATTERY CHANGE
It is recommended to replace the batteries in all units on an annual basis to ensure optimum
accuracy of these units.
Please participate in the preservation of the environment. Return used batteries to an
authorized depot.
FUNCTION KEYS
The weather station has 3 easy to use function keys: one on the front and two on the back:
MIN/MAX key
Front
ºC key
ºF key
Back

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Open window icon
Close window icon
Indoor relative
humidity in RH%
Indoor temperature
in ºF/ºC
Outdoor data signal
reception indicator*
Outdoor temperature
in ºF/ºC
Outdoor relative
humidity in RH%
Low battery indicator
(transmitter)
Low battery indicator
(weather station)
Ambient comfort level indicator
Ambient change indicator
LCD DISPLAY
Weather Station:
* When the signal is successfully received by the wireless weather station, the outdoor transmission icon
will be switched on. (If not successful, the icon will not be shown on LCD). The user can then easily see
whether the last reception was successful (icon on) or not (icon off).

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COMFORT LEVEL INDICATOR
The indicator shows the comfort level of the surrounding environment based on the indoor humidity
data. An arrow marks the current ambient humidity condition on the display from dry to wet in five levels:
Indicator
Indoor Humidity
DRY
≤ 34%
DRY/COMFORT
35 - 40%
COMFORT
41 - 55%
COMFORT/WET
56 - 64%
WET
≥ 65%
Note: the comfort indicator arrow will not be shown if the temperature is overflow (“OF.L”)
INDOOR AMBIENT CHANGE INDICATOR
The ambient change icon shows the expected humidity changes when airflow from outside occurs in a
room.
Condition
Icon
Expected humidity changes is ≥ + 5%
Expected humidity changes is within +/-4%
Expected humidity changes is ≤ - 5%
5-level
indicator

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OPEN / CLOSE WINDOW ADVICE
On two sides of the ambient change icons are OPEN and CLOSE window indicators. The open/close
window advice is based on the ambient temperature and humidity data.
3 options of recommended actions: „Open window‟, „Close window‟, no action.
Depending on the comfort level and the ambient change conditions, the „Open window‟ and „Close
window‟ icons will be shown according to the table below:
Humidity comfort level
Ambient change
Open window
icon
Close window
icon
Comfort
More Dry or More Wet or No change
Off
Off
Between comfort & dry
More Dry or More Wet or No change
Off
Off
Between comfort & wet
More Dry or More Wet or No change
Off
Off
Dry
No change
Off
Off
Dry
More Wet
On
Off
Dry
More Dry
Off
On
Wet
No change
Off
Off
Wet
More Wet
Off
On
Wet
More Dry
On
Off

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Note:
Under the following conditions, the ambient change indicator and OPEN/CLOSE window advice will not
be displayed:
Indoor and/or outdoor temperature display “OFL”.
Indoor and/or outdoor humidity display “- -“.
No outdoor transmitter signal.
TO VIEW MIN/MAX DATA
Press shortly the MIN/MAX key several times to view sequentially the indoor minimum/maximum
temperature/humidity, and outdoor minimum/maximum data.
Maximum
icon
Minimum
icon
Indoor data

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TO RESET MIN/MAX DATA
Press and hold MIN/MAX key for 3 seconds to reset ALL the indoor, outdoor temperature and
humidity records to current readings.
TEMPERATURE DISPLAY
Press the ºC Key to change temperature display unit to degree Celsius.
Press the ºF Key to display degree Farenheit.
Maximum
icon
Minimum
icon
Outdoor data

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ABOUT THE THERMO-HYGRO TRANSMITTER
The temperature may affect the range of the thermo-hygro transmitter. At cold temperatures the
transmitting distance may be decreased. Please bear this in mind when positioning the transmitter. Also
the batteries may be reduced in power for the thermo-hygro transmitter.
CHECKING FOR 915MHz RECEPTION
If the outdoor temperature and humidity data are not received within 3 minutes after set up (or
OUTDOOR display always shows “- -” during normal operation), please check the following points:
1. The distance of the weather station or transmitter should be at least 5 to 6.5 feet (1.5 -2 meters)
away from any interfering sources such as computer monitors or TV sets.
2. Avoid placing the transmitter onto or in the immediate proximity of metal window frames.
3. Using other electrical products such as headphones or speakers operating on the 915MHz-signal
frequency may prevent correct signal transmission or reception.
4. Neighbors using electrical devices operating on the 915MHz-signal frequency can also cause
interference.
Note: When the 915MHz signal is received correctly, do not re-open the battery cover of either the
transmitter or weather station, as the batteries may spring free from the contacts and force a false reset.
Should this happen reset all units (see “Set up” above) otherwise transmission problems may occur.
The transmission range is around 330 feet (100 meters) from the thermo-hygro transmitter to the
weather station (in open space). However, this depends on the surrounding environment and
interference levels. If no reception is possible despite the observation of these factors, all system units
have to be reset (see “Set up” above).

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POSITIONING THE WEATHER STATION
Extend the foldout stand on the back and the weather station can be placed onto any flat surface. Avoid
placing near electronics.
To wall mount
Before wall mounting, please check that the outdoor temperature and humidity values
can be received from the desired locations.
1. Fix a screw (not supplied) into the desired wall, leaving the head extended out by
about 5mm.
2. Using the hanging hole on the back, hang the weather station onto the screw.
Remember to ensure that it locks into place before releasing.
POSITIONING THE THERMO-HYGRO TRANSMITTER
Choose a sheltered place. Avoid direct rain or sunshine.
The transmitter is supplied with a holder that may be attached to a wall with the two screws
supplied. The transmitter can also be position on a flat surface by securing the stand to the
bottom of the transmitter.

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To wall mount:
1. Secure the bracket onto a desired wall using the screws and plastic anchors.
2. Clip the thermo-hygro transmitter onto the bracket.
Note: Before permanently fixing the transmitter wall base, place all units in the desired
locations to check that the outdoor temperature and humidity readings are receivable. In
event that the signal is not received, relocate the transmitter or move the units slightly as this
may help the signal reception.
CARE AND MAINTENANCE
Extreme temperatures, vibration and shock should be avoided as these may cause damage to the
units and give inaccurate forecasts and readings.
When cleaning the display and casings, use a soft damp cloth only. Do not use solvents or
scouring agents as they may mark the LCD and casings.
Do not submerge the units in water.
Immediately remove all low powered batteries to avoid leakage and damage. Replace only with
new batteries of the recommended type.
Do not make any repair attempts to the units. Return it to their original point of purchase for repair
by a qualified engineer. Opening and tampering with the units may invalidate their guarantee.
Do not expose the units to extreme and sudden temperature changes, this may lead to rapid
changes in forecasts and readings and thereby reduce their accuracy.

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SPECIFICATIONS
Receiver recommended operating temperature: +41ºF to +104ºF (+5ºC to +40ºC)
Temperature measuring range:
Indoor : 14.1ºF to 139.8ºF with 0.2ºF resolution
-9.9ºC to +59.9ºC with 0.1ºC resolution
(“OF.L” displayed if outside this range)
Outdoor : -39.8ºF to +139.8ºF with 0.2ºF resolution
-39.9ºC to +59.9ºC with 0.1ºC resolution
(“OF.L” displayed if outside this range, “- - .-“ displayed if no transmitter signal)
Humidity measuring range:
Indoor : 20%RH to 95%RH with 1% resolution
(“19%” displayed if <20%, “96%” displayed if >95%,
“- - “ displayed if indoor temperature is OF.L)
Outdoor : 1% RH to 99%RH with 1% resolution
(“1%” displayed if <1%, “99%” displayed if >99%,
“--“ displayed if outdoor temperature is OF.L or no transmitter signal)
Data checking interval:
Indoor : every 16 seconds
Outdoor : every 4 seconds
Outdoor data transmission range : up to 330 feet / 100 meters (open space)
Power consumption:
Weather station : 2 x AAA, IEC LR3, 1.5V

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Temperature transmitter : 2 x AAA, IEC LR3, 1.5V
Battery life (Alkaline batteries recommended): Approx. 12 months
Dimensions (L x W x H) :
Weather station : 3.72” x 0.78” x 6.18” / 94.6 x 20 x 157 mm
Temperature transmitter : 1.41” x 0.62” x 4.03” / 36 x 16 x 102.6 mm
WARRANTY INFORMATION
La Crosse Technology, Ltd provides a 1-year limited warranty on this product against manufacturing
defects in materials and workmanship.
This limited warranty begins on the original date of purchase, is valid only on products purchased and
used in North America and only to the original purchaser of this product. To receive warranty service,
the purchaser must contact La Crosse Technology, Ltd for problem determination and service
procedures. Warranty service can only be performed by a La Crosse Technology, Ltd authorized
service center. The original dated bill of sale must be presented upon request as proof of purchase to
La Crosse Technology, Ltd or La Crosse Technology, Ltd‟s authorized service center.
La Crosse Technology, Ltd will repair or replace this product, at our option and at no charge as
stipulated herein, with new or reconditioned parts or products if found to be defective during the limited
warranty period specified above. All replaced parts and products become the property of La Crosse
Technology, Ltd and must be returned to La Crosse Technology, Ltd.
Replacement parts and products assume the remaining original warranty, or ninety (90) days, whichever
is longer. La Crosse Technology, Ltd will pay all expenses for labor and materials for all repairs covered

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by this warranty. If necessary repairs are not covered by this warranty, or if a product is examined which
is not in need or repair, you will be charged for the repairs or examination.
The owner must pay any shipping charges incurred in getting your La Crosse Technology, Ltd product to
a La Crosse Technology, Ltd authorized service center.
Your La Crosse Technology, Ltd warranty covers all defects in material and workmanship with the
following specified exceptions: (1) damage caused by accident, unreasonable use or neglect (including
the lack of reasonable and necessary maintenance); (2) damage occurring during shipment (claims
must be presented to the carrier); (3) damage to, or deterioration of, any accessory or decorative
surface; (4) damage resulting from failure to follow instructions contained in your owner‟s manual; (5)
damage resulting from the performance of repairs or alterations by someone other than an authorized
La Crosse Technology, Ltd authorized service center; (6) units used for other than home use (7)
applications and uses that this product was not intended or (8) the products inability to receive a signal
due to any source of interference.
This warranty covers only actual defects within the product itself, and does not cover the cost of
installation or removal from a fixed installation, normal set-up or adjustments, claims based on
misrepresentation by the seller or performance variations resulting from installation-related
circumstances.
LA CROSSE TECHNOLOGY, LTD WILL NOT ASSUME LIABILITY FOR INCIDENTAL,
CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE
OPERATION OR MALFUNCTION OF THIS PRODUCT. THIS PRODUCT IS NOT TO BE USED FOR

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MEDICAL PURPOSES OR FOR PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP
OUT OF CHILDREN‟S REACH.
This warranty gives you specific legal rights. You may also have other rights specific to your State.
Some States do no allow the exclusion of consequential or incidental damages therefore the above
exclusion of limitation may not apply to you.
Contact info for warranty or technical support:
La Crosse Technology
2817 Losey Blvd. S.
La Crosse, WI 54601
Product Information and Support:

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www.lacrossetechnology.com/9170
Product Registration:
www.lacrossetechnology.com/support/register
Contact Support: 1-608-782-1610
All rights reserved. This handbook must not be reproduced in any form, even in excerpts, or duplicated or
processed using electronic, mechanical or chemical procedures without written permission of the publisher.
This handbook may contain mistakes and printing errors. The information in this handbook is regularly checked
and corrections made in the next issue. We accept no liability for technical mistakes or printing errors, or their
consequences.
All trademarks and patents are acknowledged.

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