Oregon Scientific Thermometer THR2 8 User Manual

scratch the plastic parts and corrode the electronic circuit.  
EN  
3. Do not subject the unit to excessive force, shock, dust, temperature or  
humidity, which may result in malfunction, shorter electronic life span,  
damaged battery and distorted parts.  
INTRODUCTION  
Congratulations on your purchase of the THR238N Remote Thermo Sensor.  
4. Do not tamper with the unit’s internal components. Doing so will  
invalidate the warranty on the unit and may cause unnecessary damage.  
The unit contains no user-serviceable parts.  
This 433MHz Multi-Channel In-Out Thermometer monitors temperature  
changes of outdoor sites. Operation is easy and no wire installation is  
required.  
REMOTE THERMO SENSOR  
WITH LCD  
5. Only use fresh batteries as specified in the user’s manual. Do not mix  
new and old batteries as the old ones may leak.  
6. Always read the user’s manual thoroughly before operating the unit.  
COMPATIBLE UNITS  
Examples of compatible units are as follows:  
MODEL : THR268  
SPECIFICATIONS  
Temperature Measurement  
USER'S MANUAL  
EMR812HG EMR899HG WMR918  
Proposed operating range  
Temperature resolution  
RF transmission frequency  
No. of remote unit  
:
:
:
:
:
:
:
:
:
-30.0°C to +60.0°C (-22.0°F to 140.0°F)  
0.1°C (0.2°F)  
MAIN FEATURES  
433 MHz  
A
B
C
D
E
F
LCD  
maximum of 3  
Displays the current temperature monitored by the remote unit  
RF transmission range  
Temperature sensing cycle  
maximum 30 meters  
LED INDICATOR  
around 40 seconds  
Flashes when the remote unit transmits a reading  
Power  
use 2 pcs UM-3 “AA” 1.5V alkaline battery  
80.5 gm (without batteries)  
105 x 70 x 21 mm (H x W x D)  
°C/°F SLIDE SWITCH  
Selects between Centigrade (°C) and Fahrenheit (°F)  
Weight  
Dimension  
CHANNEL SLIDE SWITCH  
Designates the remote unit Channel 1, Channel 2 or Channel 3  
CAUTION  
RESET BUTTON  
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-
The content of this manual is subject to change without further notice.  
Returns all settings to default values  
Due to printing limitation, the displays shown in this manual may differ  
from the actual display.  
BATTERY COMPARTMENT  
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-
The manufacturer and its suppliers hold no responsibility to you or any  
other person for any damage expenses, lost profits, or any other claim  
that may arise from using this product.  
Accommodates two UM-3 or AA size alkaline batteries  
E
G
H
BATTERY DOOR  
The contents of this manual may not be reproduced without the  
permission of the manufacturer.  
C
F
RESET CH  
1
2
3
C
D
WALL-MOUNT HOLDER  
Supports the remote unit in wall-mounting  
F
I
REMOVABLE TABLE STAND  
ABOUT OREGON SCIENTIFIC  
For standing the remote unit on a flat surface  
Scientific products such as digital cameras; MP3 players; children’s elec-  
tronic learning products and games; projection clocks; health and fitness  
gear; weather stations; and digital and conference phones. The website  
also includes contact information for our Customer Care department in case  
you need to reach us, as well as frequently asked questions and customer  
downloads.  
GETTING STARTED  
G
Note: To ensure proper reception between the main unit and the remote  
sensor, follow the instructions carefully.  
BATTERY AND CHANNEL INSTALLATION  
1. Place both units as close as possible to each other.  
We hope you will find all the information you need on our website, however  
if you’re in the US and would like to contact the Oregon Scientific Customer  
Care department directly, please visit:  
2. Assign a different channel to each remote sensor by changing the  
channel switch in the battery compartment of the remote sensor. [FIG A]  
3. Select the units of measurement for the temperature display on the °C/  
www2.oregonscientific.com/service/support  
°F slide switch. [FIG B]  
4. Install 2 alkaline batteries (UM-3 or "AA" size 1.5V) strictly according to  
the polarities shown. [FIG C]  
OR  
5. Insert batteries or press the reset button of the main unit. Follow the  
instructions as set out in the user's manual.  
Call 1-800-853-8883.  
6. Position the remote sensor and main unit within effective transmission  
range, which in usual circumstances, is 30 meters.  
Note: The effective range may be limited by building materials and the  
position of either the main unit or remote sensors. Try various set-up  
arrangements for best result.  
For international enquiries, please visit:  
www2.oregonscientific.com/about/international  
Though the sensor is weatherproof, and is meant for use outside, it should  
be placed away from direct sunlight, rain, or snow.  
FCC STATEMENT  
This device complies with Part 15 of the FCC Rules. 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.  
CHANGING CHANNELS  
Once a channel is assigned to a unit, you can only change it by removing  
the batteries and repeating the above procedure.  
1
1
WARNING Changes or modifications not expressly approved by the party  
responsible for compliance could void the user’s authority to operate the  
equipment.  
[ FIG A ]  
[ FIG B ]  
LOW-BATTERY WARNING  
A battery-low indicator [  
] will activate on the sensor to indicate that the  
NOTE 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.  
batteries are low and require changing. Low batteries for a given sensor will  
also be indicated on the main unit. Replace the batteries when the low-  
battery indicator appears.  
Note: Disposed of improperly, batteries can beharmful. Protect the  
environment by taking exhausted batteries to authorized disposal  
stations.  
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:  
C
F
R
E
S
E
T
C
H
1
2
3
C
F
R
E
S
E
T
C
H
1
2
3
OPERATION  
Once batteries are in place, the sensor will start transmitting samplings at  
40-second intervals.  
The remote sensor reading shown on the LCD depends on which remote  
sensor channel has been chosen.  
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.  
HOW TO RESET THE UNIT  
The reset function is required only when the unit is operating in an unfavorable  
way or malfunctioning.  
Consult the dealer or an experienced radio / TV technician for help.  
[ FIG C ]  
To access:  
DECLARATION OF CONFORMITY  
1. Lift open the battery compartment door.  
2. Place a blunt stylus into the hole marked RESET and press.  
3. Replace the battery compartment door.  
See the user's manual of your main unit for further information.  
The following information is not to be used as contact for support or sales.  
Please call our customer service number (listed on our website at  
inquiries instead.  
We  
HOW TO USE THE TABLE STAND OR WALL MOUNT  
This sensor comes with a wall-mount holder and a removable stand. Use  
Name:  
Oregon Scientific, Inc.  
19861 SW 95th Ave., Tualatin,  
Oregon 97062 USA  
Address:  
either to hold the unit in place. [ FIG D]  
Telephone No.: 1-800-853-8883  
PRECAUTIONS  
This product is engineered to give you years of satisfactory service if you  
handle it carefully. Here are a few precautions:  
1. Do not immerse the unit in water.  
Download fr2o.mDWo wnowt c.lSeaonmthaenuuniat wlsit.hcoabmra.siAvelloMr caornrousaivlesmSaeteariraclsh. TAhenydmDayownload.  
[ FIG D ]  

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