Oregon Scientific JMR818WF Manuel utilisateur

Weather Forecast RF Wall Clock

with Romote Thermometer

Model: JMR818WF

User Manual

JMR818WF-E Cover R1 R OP 8/27/04, 6:00 PM1

INTRODUCTION

Congratulations for purchase of the Weather Forecast RF Wall

Clock with Remote Thermometer (JMR818WF).

The JMR818WF is a multifunction radio frequency (RF) controlled

clock. When brought within a 1500km radius of Frankfurt,

Germany a radio signal generated from (DCF77) will emit signals

that can accurately synchronize this device to the current time

and date.

Also, the JMR818WF displays outdoor and indoor temperature

and uses barometric information to indicate weather forecasts

and atmospheric pressure trends.

Included in this package is a remote thermo-sensor. Place the

thermo-sensor in a sheltered outdoor location within a 30-meter

radius of the main unit and it will transmit outdoor temperature

readings to the JMR818WF.

Other features include a daily crescendo alarm with an eight-

minute snooze function, and extra-large display.

DESCRIPTION OF PARTS

AMAIN UNIT

A1 Extra-large liquid crystal display (LCD)

• Displays the time, date and day-of-the-week

• Alarm status, and alarm-set time

• Weather forecast and pressure trends

• In/outdoor temperatures in ºC

A2 [ ] Radio-reception signal

Indicates the condition of radio reception

A3 [ ] Alarm-on icon

Appears when the alarm is activated

A4 [ ] Alarm icon

Appears when the alarm time is displayed

A5 [

BATT

] Battery-low indicator

Activates when the battery power is low

A6 [ ] Battery-low indicator (remote sensor)

Activates when the remote-sensor battery power is low

A7 Trend indicator

Indicates the trend of pressure changes

A8 Weather-forecast icons

[] Displays Weather

forecasts as sunny, partly cloudy, cloudy and rainy

WEATHER FORECAST RF WALL CLOCK

WITH ROMOTE THERMOMETER

JMR818WF

User Manual

A9 Bottom line of LCD showing alarm time and day-of-

the-week and outdoor temperature

User-select display option

A10 [ (( SNOOZE )) ] Alarm-delay button

Activates the snooze function

A11 [ CLOCK ] button

Toggles between “seconds” and day-of-the-week displays

or activates the calendar-clock setting mode

A12 [ ] UP button

Increases the value of a setting

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A13 [ ON/OFF ] button

Activates and deactivates the alarm

A14 [ THERMO ] button

Alternates temperature display between indoor, outdoor,

and combined in / outdoor viewing display

A15 [ ALARM ] button

Displays the alarm-time or sets the alarm status

A16 Sensor

For indoor temperature reading

A17 [ RESET ] Button

Resets the unit by returning all settings to their default

values

A18 Battery Compartment

Accommodates four UM4 or AAA-size batteries

A19 Alarm

Sound vents for daily alarm

A20 Table Stand

For placing the unit on a flat surface

A21 Wall-Mount Hole

For mounting the unit on a wall

BREMOTE THERMO SENSOR

B1 LCD

Displays the current temperature monitored by the remote

unit

B2 LED indicator

Flashes when the remote unit transmits a reading

B3 °C/°F slide switch

Selects between Centigrade (°C) and Fahrenheit (°F)

B4 [ ] Battery-low indicator

Activates when the battery power is low

B5 Reset button

Returns all settings to default values

B6 Battery compartment

Accommodates two UM-4 or AAA size alkaline batteries

B7 Battery door

B8 Wall-mount holder

Supports the remote unit in wall-mounting

B9 Removable table-stand

For standing the remote unit on a flat surface

BATTERY INSTALLATION AND REMOTE

THERO-SENSOR SETUP

Follow this step-by-step procedure for installing batteries and

setting up the remote-sensor unit. Successful setup should ensure

that temperature signals are properly received.

Note: The effective range may be limited by building

materials and the position of either the main unit or the

remote thermo-sensor unit. Try various set-up arrangements

for best result.

Setting up the thermo-sensor unit:

The remote unit uses two (2) UM-4 or “AAA” size batteries.

Installation:

1. Remove the outer battery compartment door.

2. Remove inner screws and open the inner clearplastic

compartment door.

3. Select the temperature display unit on the °C/°F slide switch.

4. Insert the batteries strictly according to the polarities shown.

5. Replace the battery compartment door and secure its screws.

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Note: Though the sensor is splash proof, and is meant for

use outside, it should be placed away from direct sunlight,

rain, or snow.

Once the batteries have been inserted into the remote thermo-

sensor unit, batteries can now be inserted into the main unit.

The JMR818WF (main unit) requires four (4) UM4 or “AAA”

size batteries for operation.

How to insert batteries into the main unit:

1. Press the door tab and click-open the door.

2. Insert the batteries strictly according to the polarities shown

therein.

3. Replace the door so that it clicks into place.

Note: If not disposed of properly, batteries can be

harmful. Protect the environment by taking exhausted

batteries to authorized disposal stations.

Note: [

BATT

] Battery-low indicator

Replace the batteries when the battery-low indicator lights

up.

ABOUT RADIO RECEPTION

The JMR818WF is a radio frequency (RF) controlled clock.

When located within a 1500km radius of radio signal (DCF77) at

Frankfurt, Germany, the clock time will automatically synchronize

with DCF77 time-signal transmission. The benefit of a RF

controlled clock is that highly-accurate time is maintained and

manual adjustments to the time and date are not be required.

When the batteries are first installed, the JMR818WF will

automatically search for a radio signal.

When in search mode, the antenna icon [ ] will blink. This

process takes between two (2) and (10) minutes. After initial

search, short periodic reception-signal scans will commence

several times a day.

The antenna icon indicates the quality of reception.

STRONG

WEAK

NO RECEPTION

RECEIVING

Interference

Reception can be affected by a number of factors. For best reception,

place the device away from metal objects and electrical appliances.

Note: Interference from sources such as TV sets can affect

the signal. If, after batteries have been inserted for ten

minutes, the DCF77 signal is not received, then set the

time manually (see section: How To Set The Calendar

Clock Manually).

“SECONDS” AND DAY-OF-THE-WEEK

DISPLAY

The “second” and the day-of-the-week share the same section of

the display.

day-of-the-week display

“second” display

The day-of-the-week is displayed as an abbreviation in four

languages.

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Day-of-the-week

Language Monday Tuesday Wed. Thursday Friday Saturday Sunday

English

German

French

Italian

To change the “seconds” display to the day-of-the-week

display:

1. When the “seconds” are displayed, press CLOCK once.

To change the day-of-the-week display to the “seconds”

display:

1. When the day-of-the-week is displayed, press CLOCK once.

CALENDAR AND ALARM TIME DISPLAY

The calendar and the alarm-time share the same section of the display.

The calendar is displayed in a day-month format.

calendar mode

alarm mode

To change the calendar display to the alarm-time display:

2. When the calendar is displayed, press ALARM once.

To change the alarm-time display to the calendar display:

2. When the alarm time is displayed, press ALARM once.

HOW TO SET THE CALENDAR CLOCK

MANUALLY

When the unit is outside of the 1500km radius of the radio signal

DCF77 generated from Frankfurt, Germany, the unit may require

manual setting.

Note: The RF controlled mechanism overrides manual

settings. If manual settings are made, the clock will

periodically adjust the time to what is indicated by the

radio signal.

To manually set the clock:

1. Press CLOCK and hold for two seconds. The hour digits will

start to flash.

2. Enter the correct month using the [ ] button. Hold to

rapidly increase the value.

3. Press CLOCK to confirm and proceed to set the minutes.

Again, use the [ ] button to select the correct minutes.

4. Press CLOCK to confirm and proceed to enter the current

date and the current month.

5. Next, select a language for the days of the week. To choose a

language press [ ] button.

6. Finally, press CLOCK to proceed to the day-of-the-week.

Proceed in the same manner.

7. When finished, press CLOCK. The time and date are now

set.

TO SET AND ACTIVATE THE ALARM

The calendar display and the alarm display share the same section

of the display.

To set the alarm-time:

1. Press and hold ALARM for two seconds, the alarm time will

flash.

2. Press [ ] to enter a value for the hour digits. To confirm,

press ALARM and proceed to the minute digits.

3. Again, press [ ] to enter a value for the minute digits.

Press ALARM to confirm.

To activate the alarm:

Press [ ON/OFF ] . When the [ ] icon is visible on the

display, the alarm is set and will activate at the set time.

To deactivate the alarm, press [ ON/OFF ] once.

ALARM AND SNOOZE FUNCTION

When the alarm function is active, the unit will alarm at the set

time.

Resulting from the crescendo function, the alarm initially starts

gently and increases in intensity in three stages. Without

interruption, the alarm will activate for (2) two-minutes.

To stop the alarm, press any key. However, if the [ (( SNOOZE )) ]

is pressed, the snooze function will be triggered. The alarm will

stop for eight minutes before activates again.

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TEMPERATURE DISPLAY

The JMR818WF displays temperature in Centigrade (°C). A

user-select option lets the user choose between indoor, outdoor

or alternating displays.

indoor temperature display

outdoor temperature display

To display either the indoor, outdoor, or alternating

temperature displays:

• Press THERMO to alternate between the temperature displays.

Note: The alternating display will alternate between the

indoor and outdoor display about every 9-seconds. The IN

and OUT symbols will flash to indicate that the unit is in

the alternating temperature display.

The outdoor temperature display has a kinetic-way display.

The kinetic-wave display shows the signal-receiving status by

the main unit. The are three possible forms.

The unit is in searching mode.

Temperature readings are

securely registered.

No signals

SENSOR TRANSMITION STATUS

If blanks "----" appear on the outdoor temperature display of the

main, then the unit is not receiving a signal from the remote

thermo sensor. The user may be able to receive a signal by

forcing a signal search.

To force a remote sensor signal:

Press and hold [THERMO] for 2-seconds. The unit will search

for a remote thermo-sensor signal.

Search mode will last for 67-seconds. If the unit still cannot

receive a signal, check the batteries to ensure they are properly

installed and have ample power. Try repositioning the units as

they may be having temperature transmission block as a result of

interference.

Note:

Reasons for not receiving a signal from the remote thermo

sensor may include:

1. The batteries of the remote sensor, the main unit, or

both may be low. Battery-low icons should indicate that

battery power is low and the batteries require changing.

• When the temperature falls below freezing point, the

batteries will freeze. Frozen batteries will have a

lower voltage and result in a lower transmission

radius.

2. The transmission range is too far.

• Shorten the distance.

3. The transmission path is cluttered with obstacles and

interference.

• Shorten the distance or reposition the remote sensor

or the main unit.

HOW TO READ THE PRESSURE TREND

The JMR818WF gives a pressure trend for the last hour. As

illustrated below, a rising trend (arrow) indicates improving

weather. Deteriorating weather conditions are indicated with a

falling trend (arrow).

WEATHER FORECAST FUNCTION

The JMR818WF detects barometric pressure changes and displays

the illustrated weather symbols that indicate weather forecasts

for 12 to 24 hours. The radius of the forecast is approximately

30 - 50 km.

PRESSURE PRESSURE PRESSURE

Arrow

Indicator

Pressure

Trend Rising Steady Falling

Indicator

displays on

the unit

Forecast Sunny Cloudy Rainy

Slightly

Cloudy

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Important:

1. The accuracy of a weather forecast, when only using

pressure trends, is approximately 70 to 75 percent.

2. The weather forecast symbols may not reflect current

weather condition. The symbols are forecasting the

future.

3. A ‘SUNNY’ forecast covering the nighttime reflects fine

clear weather.

HOW TO RESET THE UNIT

Press RESET to return all settings to the factory values, which

are 1-1 (1st of January) for date, 00:00 for time and 0:00 for the

alarm that is deactivated.

The button is required only when the unit is not operating in a

favorable way, such as in the rare case of a malfunction.

HOW TO WALL MOUNT OR

USE TABLE STAND

MAIN UNIT

Flip open the table stand to place the unit on a steady, flat

surface. Or you can use the recessed holes on the back to mount

it on a wall.

Wall-mount Table Stand

REMOTE THERMO SENSOR

The unit can be wall-mounted using its recessed screw hole or

place on a flat surface using the removable stand.

Wall-mount Table Stand

MAINTENANCE

When handled properly, this unit is engineered to give you years

of satisfactory service.

Here are several product-care suggestions:

1. Do not immerse the unit in water. If the unit comes in contact

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

2. Do not clean the unit with abrasive or corrosive materials.

Abrasive cleaning agents may scratch the plastic parts and

corrode the electronic circuit.

3. Do not subject the unit to excessive force, shock, dust,

temperature, or humidity. Such treatment may result in

malfunction, a shorter electronic life span, damaged batteries,

or distorted parts.

4. Do not tamper with the unit’s internal components. Doing so

will terminate the unit’s warranty and may cause damage.

The unit contains no user-serviceable parts.

5. Only use new batteries as specified in this instruction manual.

Do not mix new and old batteries as the old batteries may

leak.

6. Read this instruction manual thoroughly before operating the

unit.

SPECIFICATIONS

MAIN UNIT

Clock Functions

Radio Control : Auto synchronizes current time

and date by Radio signal

generated from Germany DCF77

Calendar : Day of week in English / German /

French / Italian,

Current date / month format

Clock Time : 24-hour format

Alarm Duration : 2-minute crescendo

Snooze : 8 minutes

Accuracy : +/- 0.5 second/day

General specification

Battery Type : 4 piece of UM4 or “AAA” size

1.5V battery

LCD Dimension : viewing area - 155 x 107 mm

Unit Dimension : 298 x 177 x 24 mm (H x W x T)

Unit Weight : Approx. 660 g

(not including batteries)

Temperature Measurement

Operating Temperature : -5°C to 50°C (23.0°F to 122°F)

Temperature Resolution : 0.1°C to (0.2°F)

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REMOTE THERMO SENSOR

Displayed range : -50.0°C to +70.0°C

(-58.0°F to 158.0°F)

Proposed operating range : -20.0°C to +60.0°C

(-4.0°F to 140.0°F)

Temperature resolution : 0.1°C (0.2°F)

RF Transmission : 433 MHz

Frequency

RF Transmission Range : Maximum 30 meters

Temperature sensing : Approximately 30 seconds

cycle

Power : use two (2) UM-4 “AAA”

1.5V alkaline battery

Weight : 83gm (without batteries)

Dimension : 146 x 58 x 20 mm (H x W x D)

CAUTION

— The content of this manual is subject to change without

further notice.

— Due to printing limitation, the displays shown in this

manual may differ from the actual display.

— The manufacturer and its suppliers held no

responsibility to you or any other person for any damage

expenses, lost profits or any other claim arises by

using this product.

— The contents of this manual may not be reproduced

without the permission of the manufacturer.

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'd like to contact the Oregon Scientific

Customer Care department directly, please visit:

www2.oregonscientific.com/service/support

Call 949-608-2848 in the US.

For international enquiries, please visit www2.oregonscientific.com/

about/international/default.asp

EC-DECLARATION OF CONFORMITY

This product contains the approved transmitter module that

complies with the essential requirements of Article 3 of the

R&TTE 1999 / 5 / EC Directive, if used as intended and the

following standards have been applied:

Safety of information technology equipment

(Article 3.1.a of the R&TTE Directive)

Applied Standard EN 60950-1 : 2001

Electromagnetic compatibility

(Article 3.1.b of the R&TTE Directive)

Applied Standards

ETSI EN 301 489-1-3 (Ver.1.4.1) : 2002-08

Efficient use of radio frequency spectrum

(Article 3.2 of the R&TTE Directive)

Applied Standards

ETSI EN 300 220-3 (Ver1.1.1) : 2000-09

Additional information:

The product herewith complies with the requirements of the Low

Voltage Directive 73 / 23 / EC, the EMC Directive 89 / 336 / EC

and carries the CE marking accordingly.

Carmelo Cubito

Agrate Brianza (MI) / Italy January 2004

Manufacturer's EU R&TTE Representative

COUNTRIES RTTE APPROVAL COMPLIED

All EC countries, Switzerland

and Norway

JMR818WF-E R1 R OP 8/27/04, 6:00 PM7

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086-002078-099

JMR818WF-E Back R1 R OP 8/27/04, 6:00 PM1

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