Oregon Scientific EW91 User manual

Indoor/OutdoorThermometer

withIceAlert

Model:EW91

USER MANUAL

C8311A(DCF MSF)

Size: 148 x 105(mm)

CONTENTS

Brief Introduction ............................................2

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

Receiver .....................................................2

LCD Display ................................................3

Sensor ........................................................3

Reception of Sensor Signal ............................4

Operating the Temperature station ...................4

Operating the Sensor ....................................4

Using the Backlight Function .........................5

Switching Between °C & °F Temperature Formats .... 5

Viewing the Min. & Max. Temperature Records ..5

Using ICE Alert Function ............................5

Battery Replacement ......................................5

Placement of Main Unit And Sensor .................6

Precautions ................................................6

Specifications ................................................7

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

EU-Declaration of Conformity.......................8

FCC Statement ..............................................8

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

Indoor / Outdoor Thermometer

with Ice Alert

Model: EW91

USERMANUAL

BRIEFINTRODUCTION

Thank you for your purchase of this Wireless Indoor

and Outdoor Thermometer. Please read these

instructions carefully and keep the manual well for

future reference.

The receiver unit has a clear display that shows the

indoor temperature, the maximum & minimum

temperature records in the past 24 hours as well as

the outdoor temperature measured and transmitted

from the remote sensors. It is able to receive and

display readings from up to 3 remote sensors.

The 433 MHz technology means no wire installation

is required and you can place the sensors within

30m (100ft) from the main (indoor) unit.

OVERVIEW

RECEIVER

1.LCD display:

• Displays the outdoor and indoor temperature

records, the current channel and the low

battery indicator.

2.Ice Alert indicator light:

• Flashes when the outdoor temperature is

between -2.0°C (28°F) and 3.0°C (37°F).

3.CHANNEL key:

• Press it once to turn on the backlight and at

the same time to switch among channel 1, 2

and 3.

• Press it once to turn on the backlight for 5

seconds, and then press and hold it for 2

seconds to view the channels automatically.

• When the channels are being shown

automatically, press it to exit the automatic

display mode.

4.MIN./MAX. key:

• Press it once to turn on the backlight and at

the same time to show the minimum

temperaturerecordsinthepast24hours,press

it again to show the maximum temperature

records in the past 24 hours.

• Press and hold it for 3 seconds to delete the

minimum and maximum temperature records.

5.°C/°F slide switch:

• Slideit toswitchbetweenCelsiusandFahrenheit.

6.SENSOR key:

• Press it once to search a sensor.

• During the reception period, press and hold it

for 3 seconds to stop the reception.

7.RESET key:

• Press it to return all values to default values.

• In case of malfunction, the unit may be required

to reset.

8.BATTERY COMPARTMENT:

• Accommodates 2 AAA size batteries.

9.BATTERY DOOR

LCD DISPLAY

1. Signal indicator

2. Channel

3. Outdoor temperature

4. Low battery indicator

5. Min and Max temperature

6. °C & °F

7. Indoor temperature

SENSOR

1.LED indicator:

• Flashes when the remote unit transmits a reading.

2.Wall-mounting holder:

•Supports the sensor on the wall.

3.RESET key:

•Press it to restart the sensor and return all

values to default values.

4.CHANNEL slide switch:

•Assign the sensor to channel 1, 2 or 3.

5.BATTERY COMPARTMENT:

•Accommodates 2 AAA size batteries.

6.BATTERY DOOR

RECEPTION OF SENSOR SIGNAL

OPERATING THETEMPERATURETATION

1. Remove the battery door and insert 2 new

AAA size batteries as per the polarity

information marked on the battery

compartment.

2. Press “RESET” key.

3. Slide “°C/°F” switch to select between °C and

°F.

4. Slide the battery door back on.

5. Press “CHANNEL” key to select the desired

channel.

Note When the sensor signal is received, the icon

“” will be displayed on the LCD.

OPERATING THE SENSOR

1. Remove the battery door and slide the

“CHANNEL” switch to CH 1.(When using

additional sensors, make sure each sensor is

assigned a different CHANNEL number.)

2. Insert 2 new AAA size batteries, matching

polarities(+/-).

3. Press “RESET” key.

4. Slide the battery door back on.

Note

Tip 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

Main unit is searching for the sensor(s)

(the icon will be flashing)

The sensor(s) cannot be found

Sensor 1 has been found

(the icon will be displayed,

but won't flash)

The sensor(s) cannot be found after

operating the main unit for 60 minutes

and “--”

(Outdoor

temperature

Area)

performance fails due to low temperature, the unit will

resume proper functioning as the temperature rises to

withinthenormaltemperature range(i.e.nopermanent

damagewilloccurtothe unit due tolowtemperatures).

USING THE BACKLIGHT FUNCTION

In normal mode, press “CHANNEL” or “MIN./MAX.”

key once to activate the backlight for 5 seconds.

SWITCHING BETWEEN ºC & ºF

TEMPERATURE FORMATS

Slide “ºC/ºF” switch to select between Celsius and

Fahrenheit.

VIEWINGTHE MIN. & MAX.TEMPERATURE

RECORDS

1. In normal mode, press “MIN./MAX.” key once

to show the minimum indoor & outdoor

temperature records in the past 24 hours.

2. Press ittwice to showthemaximumtemperature

records.

3. Press it again to exit.

Note Press and hold it for 3 seconds to delete the

minimum and maximum temperature records.

USING ICE ALERT FUNCTION

If the outdoor temperature range is -2.0ºC ~ 3.0ºC

(28ºF ~ 37ºF), the Ice Alert indicator light will be

turned on and flash.

BATTERY REPLACEMENT

If the low battery icon “” turns on next to the

outdoor temperature reading, replace the sensor’s

battery with 2 AAA batteries.

If the low battery icon “” turns on next to the

indoor temperature reading, replace the sensor’s

battery with 2 AA batteries.

MAX.temperature records

MIN.temperature records

Low battery indicator

Note Attention! Please dispose of the used unit or

batteries in an ecologically safe manner.

PLACEMENT OF MAIN UNIT AND SENSOR

For the sensor, place the screw on the desired wall

and hang the sensor by the recessed hole in the

back of it or simply place it on the desktop.

For the main unit, you can just place it on the table

by itself.

PRECAUTIONS

This product is engineered to give you years of

satisfactory service if you handle it carefully. Here

are a few precautions:

•Do not cover the ventilation holes. Make sure

items that are nearby such as newspapers,

tablecloths, curtains etc cannot accidentally

cover the ventilation holes.

•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.

•Placement of this product on wood surfaces

with certain types of ûnishes, such as clear

varnish, may result in damage to the ûnish.

Consult the furniture manufacturer’s care

instructions for direction as to the types of

objects that may safely be placed on the

wood surface. Oregon Scientiûc shall not be

responsible for any damage to wood surfaces

from contact with this product.

•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 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 speciûed in the

user’s instructions. Do not mix new and old

batteries.

•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 speciûcations for this product and the

contents of the user manual are subject to change

without notice.

SPECIFICATIONS

DESCRIPTION

70 x 30 x 109 mm

(2.76 x 1.18 x 4.29 in)

433 MHz

-5°C to 50°C (23)°F to 122°F

0.1°C (0.2)°F

3°C to -2°C

(37)°F to 28°F

2 x AA 1.5V batteries

58 x 23 x 100 mm

(2.28 x 0.9 x 3.94 in)

433 MHz

-20°C to 60°C (-4)°F to 140°F

2 x AAA 1.5V batteries

TYPE

MAIN UNIT

L x W x H

Signal frequency

Temperature

range

Temperature

resolution

Ice alert

temperature range

Power

REMOTE UNIT (EW-99)

L x W x H

Signal frequency

Temperature range

Power

Number of channel

Transmission range 30 m (98 ft) unobstructed

Weight

111g

52g

ABOUT OREGON SCIENTIFIC

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

more about Oregon Scientific products such as digi-

talcameras;MP3players;children’s electronic learing

products and games; projection clocks; health and

fitness gear; weather stations; and digital and con-

ference 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:

http://www2.oregonscientific.com/service/default.asp

Call1-800-853-8883.

For international inquiries, please visit:

www2.oregonscientific.com/about/international.asp

EU-DECLARATION OF CONFORMITY

Hereby, Oregon Scientific, declares that the Indoor /

Outdoor Thermometer (Model EW91) is in compli-

ance with the essential requirements and other rel-

evant 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.

COUNTRIES RTTE APPROVAL COMPLIED

ALL EU countries, Switzerland CH

and Norway N

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 complance 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 protectionagainst

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.

•Increasetheseparationbetweentheequipment

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.

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.: EW91

Product Name: Indoor /Outdoor Thermometer

with Ice Alert

Manufacturer: IPM Concepts 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.

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