Oregon Scientific RAR381 User manual

Digital Thermometer with Ice

Alert and Clock

Model: RAR381

USER MANUAL

CONTENTS

Introduction ............................................................... 2

Overview .................................................................... 2

Front view ............................................................... 2

Back view ............................................................... 3

Remote sensor (THN132N) ................................... 3

Getting started .......................................................... 3

Power ..................................................................... 3

Remote sensor .......................................................... 4

Sensor data transmission ....................................... 5

Clock .......................................................................... 5

Alarm ......................................................................... 6

Temperature .............................................................. 6

Temperature trend .................................................. 6

Ice warning ............................................................. 6

Hi / Lo temperature alarm ...................................... 7

Reset .......................................................................... 7

Precautions ............................................................... 7

Speciﬁcations ........................................................... 8

About Oregon Scientiﬁc .......................................... 8

EU-Declaration of Conformity ................................. 9

FCC Statement .......................................................... 9

Declaration of Conformity ....................................... 9

RAR381_M_EN_R1.indd 1 2006.6.27 11:23:44 AM

1. Sensor low battery warning

2. Outdoor temperature trend icon

3. Hi / lo alarm is displayed

4. Ice warning is active

5. Channel number and sensor reception status

6. Maximum / minimum outdoor temperature reading

7. Outdoor temperature reading

8. Alarm is set

9. Alarm is displayed

10. 12-hour clock

11. Indoor temperature display icon

12. Indoor temperature trend icon

13. Main unit low battery warning

14. Maximum / minimum indoor temperature reading

15. Indoor temperature reading

16. Time, alarm and date

17. ALARM : View alarm status; set alarm

INTRODUCTION

Thank you for selecting the Oregon Scientiﬁc™ Digital

Thermometer with Ice Alert and Clock (RAR381). The

main unit can support up to 3 sensors. To purchase

additional sensors, please contact your local retailer.

NOTE Please keep this manual handy as you use

your new product. It contains practical step-by-step

instructions, as well as technical speciﬁcations and

warnings you should know about.

OVERVIEW

FRONT VIEW

111

RAR381_M_EN_R1.indd 2 2006.6.27 11:23:47 AM

BACK VIEW

1. / : Increase / decrease setting

2. MODE: Change settings / display

3. CHANNEL: Switch remote sensor display

4. MEM: View current, maximum and minimum

temperature

5. °C / °F: Select temperature unit °C / °F

6. TEMP HI / LO : Change settings or enable /

disable hi or lo temperature alarm for channel 1

7. Battery compartment

8. RESET: Reset unit to default settings

REMOTE SENSOR (THN132N)

1. LED indicator 1. Wall mount

2. Battery compartment

3. Battery door

4. Table stand

5. RESET hole

6. CHANNEL switch

GETTING STARTED

POWER

Insert batteries before ﬁrst use, matching the polarity

(+ and -).

1 2 3

RAR381_M_EN_R1.indd 3 2006.6.27 11:23:57 AM

NOTE Install batteries in the remote sensor before the

main unit. Press RESET after each battery change. Do

not use rechargeable batteries. We recommend that

you use alkaline batteries with this product for longer

usage and lithium batteries in temperatures below

freezing.

shows when batteries are low.

UNIT LOCATION

Main Indoor temperature area

Remote Outdoor temperature area

REMOTE SENSOR

The sensor collects temperature readings approx.

every 40 seconds and sends them to the main unit. The

main unit can collect data from up to 3 sensors.

To set up the sensor:

1. Slide open the battery door.

2. Insert the batteries, matching the polarity (+ / -).

Reset after each battery change.

3. Select a channel. Make sure you use a different

channel for each sensor.

4. Close the battery compartment.

5. Secure the sensor in the desired location using the

wall mount or table stand.

For best results:

• Place the sensor out of direct sunlight and moisture.

• Do not place the sensor more than 30 meters (100

feet) from the main (indoor) unit.

• Position the sensor so that it faces the main (indoor)

unit, minimizing obstructions such as doors, walls,

and furniture.

RAR381_M_EN_R1.indd 4 2006.6.27 11:24:07 AM

• Place the sensor in a location with a clear view to

the sky, away from metallic or electronic objects.

• Position the sensor close to the main unit during

cold winter months as below-freezing temperatures

may affect battery performance and signal

transmission.

The transmission range may vary depending on many

factors. You may need to experiment with various

locations to get the best results.

Standard Alkaline batteries contain signiﬁcant

amounts of water. Because of this they will freeze

in low temperatures of approximately -12°C (10°F).

Disposable Lithium batteries have a much lower

threshold for temperature with an estimated freezing

range of below -30°C (-22°F).

Wireless ranges can be impacted by a variety of factors

such as extremely cold temperatures. Extreme cold

may temporarily reduce the effective range between the

sensor and the base station. If the unit’s performance

fails due to low temperature, the unit will resume proper

functioning as the temperature rises to within the

normal temperature range (i.e. no permanent damage

will occur to the unit due to low temperatures).

SENSOR DATA TRANSMISSION

The reception icon in the outdoor temperature area

shows the status.

ICON DESCRIPTION

Main unit is searching

for the sensor(s)

A channel has been found

and sensor signal is being

received

and - -.- The sensor cannot be found.

(Outdoor Search for the sensor or

temperature area) check batteries

To search for a sensor:

Simultaneously, press and hold MEM and CHANNEL

for 2 seconds.

NOTE If the sensor is still not found, check the

batteries, obstructions, and remote unit location.

CLOCK

To set the clock:

1. Press and hold MODE for 2 seconds.

2. Press and to change the settings.

3. Press MODE to conﬁrm.

4. The setting sequence is: 12 / 24 hour format, hour,

minute, year, date / month format, month, date, and

display language.

NOTE The language options are (E) English, (F)

French, (D) German, (I) Italian and (S) Spanish.

RAR381_M_EN_R1.indd 5 2006.6.27 11:24:09 AM

To switch the clock display:

Press MODE to toggle between:

• Clock with seconds

• Clock with day

• Calendar

ALARM

To set the alarm:

1. Press ALARM to view the alarm. will show on

the display.

2. Press and hold ALARM for 2 seconds.

3. Press or to change the hour / minute

settings.

4. Press ALARM to conﬁrm.

To activate or deactivate the alarm:

Press ALARM when in the alarm display. appears

when the alarm is set.

To silence the alarm and reset it for the next day:

Press ALARM.

TEMPERATURE

To toggle the temperature unit:

Press °C / °F.

To view outdoor sensor temperature readings:

Press CHANNEL.

• shows which remote sensor’s data you are

viewing.

• is permanently displayed in the indoor

temperature area.

To auto-scan between sensors:

Press and hold CHANNEL for 2 seconds. Each

sensor’s data is displayed for 3 seconds.

To end auto-scan:

Press CHANNEL or MEM.

To toggle between current, minimum and maximum

records for the selected sensor:

Press MEM repeatedly.

To clear the records:

Press and hold MEM for 2 seconds.

TEMPERATURE TREND

Recent indoor / outdoor temperature trends are shown

by the trend icon.

RISING STEADY FALLING

ICE WARNING

If the channel 1 sensor falls between 3°C to -2°C

(37°F to 28°F), ﬂashes to warn you that the

temperature is approaching freezing.

NOTE The warning will automatically stop if the

temperature goes outside the ice-warning range.

RAR381_M_EN_R1.indd 6 2006.6.27 11:24:14 AM

HI / LO TEMPERATURE ALARM

An alarm can be set to sound if the sensor set to

channel 1 records above or below a temperature of

your choice.

To set alarm ON / OFF:

1. Press and hold TEMP HI / LO .

2. Use or to select high temperature, press

TEMP HI / LO to conﬁrm.

3. Use or to select low temperature, press

TEMP HI / LO to conﬁrm.

4. Press to activate or deactivate the high / low

temperature alarm.

To silence the hi / lo temperature alarm:

Press any key. The alarm resets automatically and will

resound if the hi / lo temperature is exceeded again.

RESET

Press RESET to return the unit to the default settings.

PRECAUTIONS

This product is engineered to give you years of

satisfactory service if you handle it carefully. Here are

a few precautions:

• Do not immerse the unit in water. If you spill liquid

over it, dry it immediately with a soft, lint-free cloth.

• Do not clean the unit with abrasive or corrosive

materials.

• 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.

• 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.

• Only use fresh batteries as speciﬁed in the user’s

instructions. Do not mix new and old batteries.

• Do not use rechargeable batteries.

• Remove batteries when storing the product for a

long time.

• Due to printing limitations, the displays shown in

this manual may differ from the actual display.

• The contents of this manual may not be reproduced

without the permission of the manufacturer.

• Do not dispose this product as unsorted municipal

waste. Collection of such waste separately for

special treatment is necessary.

NOTE The technical speciﬁcations for this product and

the contents of the user manual are subject to change

without notice.

RAR381_M_EN_R1.indd 7 2006.6.27 11:24:15 AM

SPECIFICATIONS

TYPE DESCRIPTION

Main unit

Dimensions 90 x 42 x 92 mm

(L x W x D) (3.5 x 1.7 x 3.6 inches)

Weight 84 g (3.0 ounces) without battery

Remote unit

Dimensions 96 x 50 x 22 mm

(L x W x D) (3.8 x 2.0 x 0.9 in)

Weight 62 g (2.22 oz) without battery

Temperature unit – °C / °F

Indoor range -5°C to 50°C (23°F to 122°F)

Outdoor range -30°C to 60°C (-22°F to 140°F)

Resolution 0.1°C (0.2°F)

Remote unit

RF frequency 433MHz

Range Up to 30 m (100 ft)

with no obstructions

Transmission Approx. every 40 seconds

Channel no. 1, 2 or 3

Clock

Clock display HH:MM

Hour format 12hr AM/PM or 24hr

Calendar DD/MM or MM/DD

Weekday in 5 (E, G, F, I, S)

languages

Alarm 2-minutes

Power

Main unit 2 x UM-4 (AAA) 1.5V batteries

Remote unit 1 x UM-3 (AA) 1.5V battery

NOTE We recommend that you use alkaline batteries

with this product for longer usage and lithium batteries

in temperatures below freezing.

ABOUT OREGON SCIENTIFIC

Visit our website (www.oregonscientiﬁc.com) to learn

more about Oregon Scientiﬁc products such as

digital cameras; MP3 players; children’s electronic

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.

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:

www2.oregonscientiﬁc.com/service/default.asp

Call 1-800-853-8883.

For international inquiries, please visit:

www2.oregonscientiﬁc.com/about/international.asp

RAR381_M_EN_R1.indd 8 2006.6.27 11:24:16 AM

EU-DECLARATION OF CONFORMITY

Hereby, Oregon Scientiﬁc, declares that the Digital

Thermometer with Ice Alert and Clock (Model RAR381)

is in compliance with the essential requirements and

other relevant provisions of Directive 1999/5/EC.

A copy of the signed and dated Declaration of

Conformity is available on request via our Oregon

Scientiﬁc Customer Service.

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.

WARNING Changes or modiﬁcations not expressly

approved by the party responsible for compliance could

void the user’s authority to operate the equipment.

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.

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.

DECLARATION OF CONFORMITY

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 www.oregonscientiﬁc.

com), or on the warranty card for this product) for all

inquiries instead.

COUNTRIES RTTE APPROVAL COMPLIED

All EU countries, Switzerland

and Norway

RAR381_M_EN_R1.indd 9 2006.6.27 11:24:17 AM

Name: Oregon Scientiﬁc, Inc.

Address: 19861 SW 95th Ave., Tualatin,

Oregon 97062 USA

Telephone No.: 1-800-853-8883

declare that the product

Product No.: RAR381

Product Name: Wireless Indoor / Outdoor

Thermometer

with Digital Clock

Manufacturer: IDT Technology Limited

Address: Block C, 9/F, Kaiser Estate,

Phase 1,41 Man Yue St.,

Hung Hom, Kowloon,

Hong Kong

is in conformity with Part 15 of the FCC Rules.

Operation is subject to the following two conditions: 1)

This device may not cause harmful interference. 2) This

device must accept any interference received, including

interference that may cause undesired operation.

RAR381_M_EN_R1.indd 10 2006.6.27 11:24:17 AM

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