Wide-Screen Weather Forecast RF Clock
JM828WF-GB Cover R2 8/31/04, 3:37 PM1
with Thermometer
Model: JM828WF / JM828WFU
User Manual
WIDE-SCREEN WEATHER FORECAST RF CLOCK
WITH THERMOMETER
MODEL: JM828WF (Europe Version)
JM828WFU (UK Version)
USER MANUAL
INTRODUCTION
Congratulations for purchase of the JM828WF Weather Forecast
RF Clock.
The JM828WF is a multifunction Radio Frequency (RF) controlled clock. When brought within radio signals generated from
Frankfurt, Germany (DCF77) (Model JM828WF) or from Rugby,
UK (MSF60) (Model JM828WFU), the unit will automatically
synchronize with the current time and date.
The JM828WF can indicate weather forecasts and pressure change
trends.
Other features include a daily crescendo alarm with an eightminute snooze function, and extra-large display.
MAIN FEATURES
A
SNOOZE BUTTON
Activates the snooze function
B
RADIO RECEPTION SIGNAL
Indicates the condition of radio reception
C
EXTRA - LARGE DISPLAY
Displays the time, date, alarm status, and temperature
D
ALARM ON ICON [ ]
Appears when the alarm is activated
E
ALARM ICON [ ]
Appears when the alarm time is displayed
F
BATTERY LOW (BATT) INDICATOR
Lights up when the batteries are running dry
G
UP [ ] AND DOWN [ ] BUTTONS
Increases or decreases the value of a setting
H
CLOCK BUTTON
Toggles the calendar clock display modes or activates the
calendar clock setting mode
I
ALARM BUTTON
Displays the alarm time or sets the alarm status
J
TREND INDICATOR
Indicates the trend of pressure changes
K
WEATHER FORECAST
Indicates the change of weather pattern
L
SENSOR
For indoor temperature reading
M
RESET BUTTON
Resets the unit by returning all settings to their default values
N
BATTERY COMPARTMENT
Accommodates four UM4 or AAA-size batteries
ALARM
O
Speaker alarm
TABLE STAND
P
For mounting the unit on a flat horizontal surface
WALL - MOUNT HOLE
Q
For mounting the unit on a wall
1
EN
JM828WF-GB R2 8/31/04, 3:38 PM1
EN
BATTERY INFORMATION
The unit requires four UM4 or AAA-size batteries for operation.
How to insert batteries:
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 until it clicks in place.
Replace the batteries when the battery low indicator lights up.
To enable the feature again, hold down the buttons again. The
Antenna Icon [ ] signal will start blinking to initiate
reception automatically.
Note: Interference from sources such as TV sets can affect the
signal. If, after batteries have been inserted for ten minutes, the
DCF-77 signal is not received, then set the time manually (see
below, How To Set The Calendar Clock Manually).
TIME DISPLAY MODES
When the calendar is displayed, press CLOCK once to toggle
between hour, minute, second mode or the hour, minute, day-ofthe-week mode.
When the alarm-time is displayed, pressing CLOCK once will
display the calendar instead. Then use the button again to toggle
the time modes.
hour, minute, and day-of-the-week mode
ABOUT RADIO RECEPTION
The JM828WF is designed to automatically synchronize its current
time and date when brought within range of the DCF77 or the
MSF60 (Model JM828WFU) RF signal.
When the unit is within range, its radio-control mechanism will
override all manual settings.
When the unit is receiving radio signal, the reception icon will
start to blink. The reception icon will show either strong, weak
or no signal depending on the strength of the radio signal. A
complete reception generally takes about two to 10 minutes.
Receiving
radio
signal
When the reception is completed the reception icon will stop
blinking. The reception icon will show [
[ ] for successful reception.
Reception
complete
For better reception of radio signals, place the clock away from
metal objects and electrical appliances to minimize interference.
To disable the auto-reception feature, hold down the [
[ ] buttons simultaneously for two seconds. The Antenna Icon
[
] will appear but it will not blink. The unit will NOT respond
to radio signals.
No signal Weak signal Strong signal
] for no reception or
No reception, or
manually adjusted
Successful reception
] and
hour, minute, and second mode
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.
When the calendar is displayed, press ALARM once to change
the display to the alarm-time. Press ALARM again to activate
the alarm. The ALARM ON icon is displayed when the alarm is
active.
To display the calendar, press CLOCK once.
calendar mode
alarm mode
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JM828WF-GB R2 8/31/04, 3:38 PM2
HOW TO SET THE CALENDAR CLOCK
MANUALLY
When the calendar is displayed, press CLOCK for two seconds.
The month digits will start to blink.
Enter the month using the [
] and [ ] buttons. Hold down
either button to rapidly increase or decrease the value.
Press CLOCK to confirm and proceed to set the day. Again,
once the day is set press CLOCK to proceed to the language
display.
Days of the week can be indicated as an abbrevistion in five
different language, (E) for English, (D) for German, (F) for
French, (I) for Italian, (S) for Spanish.
To choose a language use the
Language Monday Tuesday Wednesday Thursday Friday Saturday Sunday
English
Dutch
French
Italian
Spanish
or button.
Press CLOCK to proceed to the hour and minute functions.
TO SET AND ACTIVATE THE ALARM
The CALENDAR mode and the ALARM mode share the same
section of the display.
When in CALENDAR mode, press ALARM button to enter
ALARM mode, the alarm time is displayed.
To set the alarm-time, press and hold ALARM for two seconds,
the alarm time will flash.
Enter the value for the hour digits. To confirm, press ALARM
and proceed to the minute digits. Again, press ALARM to confirm.
Now, the alarm should be activated.
To deactivate the alarm, press ALARM once.
INDOOR TEMPERATURE
The JM828WF displays temperature in Centigrade (°C), and is
capable of measuring temperatures within the -5°C and +50°C
range. If the temperature goes above or below these levels, the
display will show “-5°C” or “+50°C”.
HOW TO READ THE PRESSURE TREND
The JM828WF 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).
Arrow
Indicator
Pressure
Trend
Rising Steady Falling
WEATHER FORECAST FUNCTION
The JM828WF 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.
Indicator
displays on
the unit
Forecast Sunny Slightly Cloudy Cloudy Rainy
Important:
1. The accuracy of weather forecasting, 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.
EN
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 one minute.
To stop the alarm, press any key. However, if the SNOOZE
button is pressed, the SNOOZE function will be triggered. The
alarm will stop for eight minutes before activates again.
JM828WF-GB R2 8/31/04, 3:38 PM3
HOW TO RESET THE UNIT
Press RESET to return all settings to the factory values, which
are 1-1 (1st of January) for date, 12:00 for time and 06:00 for the
alarm, which will be 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.
3
EN
HOW TO WALL MOUNT OR
TABLE STAND
Flip the table stand open to place the unit on a steady, flat
surface. To wall mount the device, use the recessed hole on the
back.
Wall-mount
Table Stand
MAINTENANCE
When handled properly, this unit is engineered to give you years
of satisfactory service. Here are a few product care instructions:
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
Operating Temperature : -5°C to 50°C
Clock Functions
Radio Control : Auto synchronize current time and
date by Radio signal generated from
Germany DCF77 (Model JM828WF)
or Rugby MSF60 (model JM828WFU)
Calendar : Day of week in English/German/
French/Italian/Spanish,
Date/Month
Clock Time : 24-hour format for Europe / 12-hour
format for UK
Alarm Duration : 1-minute crescendo
Snooze : 8 minutes
Accuracy : +/- 0.5 second/day
Temperature Measurement
Indoor measurement : -5°C to 50°C
General specification
Battery Type : 4 piece of UM4 or “AAA” size
1.5V battery
LCD Dimension : viewing area - 155 x 107 mm
Unit Dimension : 247 x 214 x 36 mm (H x W x T)
Unit Weight : Approx. 660 g (not include battery)
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 responsibil-
ity to you or any other person for any damage
expenses, lost profits, or any other claim arise by using
this product.
— The contents of this manual may not be reproduced
without the permission of the manufacturer.
JM828WF-GB R2 8/31/04, 3:38 PM4
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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
OR
EC-DECLARATION OF CONFORMITY
EN
This product 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
Call 949-608-2848 in the US.
For international enquiries, please visit:
www2.oregonscientific.com/about/international/default.asp
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
CH
N
JM828WF-GB R2 8/31/04, 3:38 PM5
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JM828WF-GB Back R2 8/31/04, 3:37 PM1
© 2004 Oregon Scientific. All Rights Reserved.
086-001940-096
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