![](/html/66/6693/66935df9403823d0fe55d9a52cd43396933b8140d591b7ba50da9e52d0c6bb82/bg1.png)
1
EN
TABLE OF CONTENTS
Additional resources .......................................... 1
About this guide ................................................. 2
Product overview ............................................... 3
Getting started ................................................... 4
Set up ............................................................. 4
Change channel ............................................. 6
Low battery warning ....................................... 6
Reset system ..................................................... 6
Safety and care.................................................. 7
Warnings ............................................................ 7
Troubleshooting.................................................. 8
Specifications..................................................... 9
ADDITIONAL RESOURCES
Visit our website (www .oregonscientific.com) to learn
more about your new product and other Oregon
Scientific products such as digital cameras, handheld organizers, health and fitness gear , and weather
stations. The website also includes contact
information for our customer service depar tment, in
case you need to reach us.
![](/html/66/6693/66935df9403823d0fe55d9a52cd43396933b8140d591b7ba50da9e52d0c6bb82/bg2.png)
2
EN
ABOUT THIS GUIDE
Congratulations on your selection of the Oregon
Scientific Wireless Outdoor Temperature Sensor
(THR228NF)
This sensor is compatible with a wide variety of
weather monitoring tools, and can be used with most
of the Oregon Scientific receiver units.
Keep this manual handy as y ou use your new product.
It contains practical step-by-step instructions, as well
as technical specifications and warnings you should
know.
In this box, you will find:
• Remote unit
• Batteries
![](/html/66/6693/66935df9403823d0fe55d9a52cd43396933b8140d591b7ba50da9e52d0c6bb82/bg3.png)
3
EN
PRODUCT OVERVIEW
DESCRIPTIONS
1. Temperature display
2. LED indicator
3. °C/°F switch
4. Reset button
5. Channel switch
6. Battery compar tment
7. Battery compar tment lid
8. Wall mount
![](/html/66/6693/66935df9403823d0fe55d9a52cd43396933b8140d591b7ba50da9e52d0c6bb82/bg4.png)
4
EN
SET UP
1. Place remote unit as close as possible to the
main unit.
2. Remove the battery compartment lid. (You will
need a small Phillips screwdriver.)
3. Assign a Channel Number. If you
are using more than one remote
unit, select a different channel
number for each unit.
4. Set the measurement unit.
5. Insert the batteries. Match the polarity , as sho wn
in the battery compar tment.
GETTING STARTED
This product can be used with up to 2 remote units
to transmit outdoor temperature data to a main
(indoor) unit. The measurement unit (°C or °F) and
channel number (1, 2, or 3) switches are located in
the battery compartment, and should be set prior to
installation.
Additional remote units sold separately.