Oregon Scientific Cable Free Weather Station Bar928 Users Manual E R1 OP

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Cable Free Weather Station
Model: BAR928
User Manual

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EN

CABLE FREE WEATHER STATION
MODEL: BAR928
USER’S MANUAL

INTRODUCTION
Congratulations on purchasing the BAR928 Top Weather Station.
The BAR928 is an all-in-one clock and weather device. RF- controlled, it can automatically synchronize its current time and date when
it is brought within an approximate 1500km radius of the radio
signal generated from Frankfurt, Germany (DCF77).
The BAR928 does weather forecasts and tells temperatures, indoors
and outdoors. It also shows the trend of changes plus the recorded
maximum and minimum temperatures. A remote thermo sensor is
included with the unit.

A RADIO RECEPTION SIGNAL

Indicates the condition of radio reception
B SNOOZE/LIGHT BUTTON

Activates the snooze function when an alarm goes off or turn
on the backlight for five seconds

Apart from temperature, the BAR928 shows the indoor relative
humidity and rates the comfort level. It also retains the maximum
and minimum relative humidity readings.

C MODE WINDOW

The built-in barometer enables the BAR928 to display the atmospheric pressure with user-selectable altitude adjustment. A bar
graph will show the pressure trend of the last 24 hours.

Displays the current time and date
D ALARM ON ICON

Appears when the alarm is activated

What is more, the BAR928 is equipped with a moon phase scanner,
which lets you check the moon phase of any day between 1990 and
2089.

E ALARM ICON

Other features include a HiGlo backlight, daily crescendo alarm
with eight-minute snooze function, and extra-large display.

F MAIN UNIT BATTERY LOW (BATT) INDICATOR

Appears when the alarm time is displayed
Lights up and blinks when the batteries of the main unit are
running dry

No wire installation is required between the main and remote units.
As the BAR928 operates at 433MHz, it can be used in the U.S. and
most places in Continental Europe.

G REMOTE UNIT BATTERY LOW (BATT) INDICATOR

Lights up and blinks when the batteries of the remote unit are
running dry

MAIN FEATURES: MAIN UNIT

H WEATHER FORECAST WINDOW

Displays the weather pattern
I

TEMPERATURE WINDOW
Shows the current temperature or the maximum or minimum
recorded temperature

J IN/OUT-REMOTE INDICATOR

Indicates if the current temperature is displayed as indoors or
outdoor-remote
K TEMPERATURE TREND ARROWS

Indicates the trend of temperature changes
L

°C/°F SLIDE SWITCH

Selects between Centigrade (°C) and Fahrenheit (°F) display
M RELATIVE HUMIDITY WINDOW

Displays the indoor relative humidity
N COMFORT INDICATOR

Indicates the comfort level of the indoor relative humidity
O ATMOSPHERIC PRESSURE CHART

Shows the atmospheric pressure trend chart of the last 24 hours
P ATMOSPHERIC PRESSURE WINDOW

Displays the current atmospheric pressure
Q PRESSURE HISTORY INDICATOR

Indicates the pressure history of previous hours
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H PRESSURE UNIT SLIDE SWITCH

A LCD

Selects between mb/hPa and inHg display

Displays the current temperature monitored by the remote
unit

S MOON PHASE SCANNER

B LED INDICATOR

Displays the current moon phase or that of the date checked
T

U

V

W

Flashes when the remote unit transmits a reading

THERMO BUTTON
Sets the unit in indoor or outdoor-remote temperature mode

C

°C/°F SLIDE SWITCH
Selects between Centigrade (°C) and Fahrenheit (°F)

MEMORY BUTTON
Displays the maximum or minimum temperature or indoor
relative humidity or erases the memory

D RESET BUTTON

Returns all settings to default values

HISTORY BUTTON
Displays the pressure history of previous hours

E BATTERY COMPARTMENT

UP (
) AND DOWN (
) BUTTONS
Increases or decreases the value of a setting, scan the
moonphase status

F WALL-MOUNT HOLDER

X

ALARM ON/OFF BUTTON
Displays the alarm time or sets the alarm status

Y

MODE BUTTON
Changes the display mode of the clock or triggers the clock
setting mode

Z

RESET BUTTON
Resets the unit by returning all settings to their default values

AA

BATTERY COMPARTMENT
Accommodates four UM3 or AA-size batteries

AB

TABLE AND CONTROL STAND
Acts as control panel and supports the unit when lying flat.

Accommodates two UM4 or AAA-size batteries
Supports the remote unit in wall-mounting
G REMOVABLE TABLE STAND

For standing the remote unit on a flat surface

BEFORE YOU BEGIN
For best operation,
1. Insert batteries for remote units before doing so for the main unit.
2. Position the remote unit and main unit within effective transmission range, which, in usual circumstances, is 30 meters.
Though the remote unit is weather proof, it should be placed away
from direct sunlight, rain or snow.

BATTERY INSTALLATION:
REMOTE UNIT

MAIN FEATURES: REMOTE UNIT

The remote unit uses two UM4 or AAA-size batteries. To install
them,
1. Remove the screws on the battery compartment.
2. Insert the batteries strictly according to the polarities shown
therein.

3. Select the temperature display unit on the °C/°F slide switch.
4. Replace the battery compartment door and secure its screws.
Replace the batteries when the battery low (BATT) indicator of the
outdoor temperature window lights up.

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BATTERY INSTALLATION: MAIN UNIT
- Strong
1. Gently press and lift the tab on the battery compartment door.
2. Insert four UM3 or AA-size batteries.

- Weak

- No signal

- Receiving
3. Replace the battery compartment door.
Replace the batteries when the BATT indicator on the weather
forecast window lights up.

HOW TO SET THE CLOCK MANUALLY
When the current time is displayed, press MODE for three seconds.
The 12-hr or 24-hr digits will flash. Use the UP or DOWN button to
select either. If 12-hour clock format is selected, the time will be
displayed with the AM or PM indicator.

HOW TO USE THE BACKLIGHT
Press the SNOOZE/LIGHT button once. The backlight will be
turned on for five seconds.

Press MODE. The hour digits will flash. Use the UP or DOWN
buttons to enter the hours. Holding down either button will increase
or decrease the value rapidly. Press MODE to go to the minutes. Set
the minutes like you set the hours. Press MODE again to confirm
and exit.

TIME DISPLAY MODES
The current time and date can be displayed in three modes: hourminute-second, hour-minute-day-of-the-week and day-month-year.
Press the MODE button to change from one mode to the other.

If changes are made during this process, the seconds will start from
zeros.

ABOUT ALTITUDE SETTING
For a correct reading of the local barometric pressure, select 0 for
altitude compensation reading while setting the calendar. (See
HOW TO SET THE CALENDAR for details.)

Pressing the ALARM button during any of these modes will display
the alarm time instead. Another press will activate or deactivate the
alarm. To go back to normal time and date display, press MODE.

For users staying at a higher altitude, such as in the mountain area,
sea level barometric pressure applies. In this case, select -100 to
2500 meters, whichever appropriate, when entering the altitude
compensation reading.

ABOUT RADIO RECEPTION
The BAR928 is designed to automatically synchronize its calendar
clock once it is brought within range of the Frankfurt DCF77 radio
signal. It will scan and adjust every full hour.

HOW TO SET THE CALENDAR
MANUALLY

When the BAR928 is within range, its radio-control mechanism will
override all manual settings.

• When the calendar is displayed, press MODE for three seconds.

When the unit is receiving radio signal, the RADIO RECEPTION
signal will start to blink. A complete reception generally takes about
two to 10 minutes, depending on the strength of the radio signal.

The altitude compensation reading on the atmospheric pressure
window will flash. Use the UP or DOWN button to enter the
desired value. (See ABOUT ALTITUDE SETTING for more
information.)

When the reception is complete, the RADIO RECEPTION signal
will stop blinking. The strength of the reception for the last full hour
will be indicated.

• Press MODE. The year digits will flash. Enter the year using the
UP or DOWN button.

• Press MODE. The D or M indicator will flash. Use the UP or

For better reception, place the clock away from metal objects and
electrical appliances to minimize interference.

DOWN button to select D for day-month display or M for
month-day display.

Should you wish to deactivate the RF controlled function, press
MODE and DOWN( ) button simultaneously.

• Press MODE and follow the same procedure to set the month and
day-of-the-month.

To reactivate the RF control function, press MODE and UP(
simultaneously.

)

• Press MODE. The E, I, D, F or S language indicator will flash.
Use the UP or DOWN button to select E for English, I for Italian,
D for German, F for French or S for Spanish.

• Press MODE. The day-of-the-week will flash. Use the UP or
DOWN button to enter the day and press MODE again to
confirm and exit.
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MULTILINGUAL DAY-OF-THE-WEEK

NOTE ON OUTDOOR-REMOTE
TEMPERATURE

The display language of the day-of-the-week is selected in the
calendar setting procedure. The foreign languages and their meanings are as follows:
Language

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Once batteries are in place for the remote unit, it will start transmitting samplings at 30-second intervals.
If no signals are received when the outdoor-remote temperature is
selected, blanks will be displayed. Press and hold the THERMO
button to enforce a search. This is useful in synchronizing the
transmission and reception of the remote and main units.

Sunday

English
German

If that fails, check if the remote unit is still in place. Make sure the
transmission is within range and path is clear of obstacles and
interference.

French
Italian

Repeat this procedure whenever you find discrepancies between the
reading shown on the main unit and the remote unit.

Spanish

NOTE ON °C AND °F
HOW TO SET AND ACTIVATE
THE ALARM

The outdoor temperature display on the main unit is dominated by
the selection on the °C/°F slide switch of the main unit. Whatever
the display unit of the remote sensor is, it will only apply to the
remote sensor itself and the temperature will be automatically
converted to the chosen one of the main unit.

When the alarm time is displayed, press and hold ALARM for three
seconds.
Enter the value for the hour digits. Press ALARM to confirm and go
to the minute digits. Enter the value and press ALARM to confirm.

MAXIMUM AND MINIMUM
TEMPERATURES

The alarm is automatically activated. To deactivate it, press ALARM
once when the alarm time is displayed. Then use the UP or DOWN
button to toggle its status.

The maximum and minimum recorded temperatures will be automatically stored in memory. To display them, press MEMORY to
rotate through the maximum, minimum and current temperatures.
The respective MAX or MIN indicator will be displayed.

ALARM AND SNOOZE FUNCTION
When the alarm is active, it will go off at the set time. The display
will light up for five seconds with the ALARM ON icon flashing.

To clear the memory, hold down MEMORY for three seconds. The
maximum and minimum temperatures will be erased. If you press
MEMORY now, the maximum and minimum temperatures will
have the same values as the current one until different readings are
recorded.

The crescendo function allows the alarm to start off gently and step
up its intensity in three steps. Without interruption, the alarm will go
off for 2 minute.
To stop the alarm, press any button. If the SNOOZE/LIGHT button
is pressed, the SNOOZE function will be triggered. The alarm will
stop and the bell icon blinks for about eight minutes before going off
again.

TEMPERATURE TREND
The temperature trend indicator shows the trend of temperature
changes for the last minutes. Three trends, rising, steady and falling,
will be shown.

HOW TO CHECK INDOOR AND
OUTDOOR-REMOTE TEMPERATURES

Arrow
indicator

To measure indoor temperatures, press the THERMO button until
the IN indicator lights up.

Temperature
Trend

To measure outdoor-remote temperatures, press the THERMO
button until the OUT indicator is displayed.
The temperature can be shown in Centigrade (°C) or Fahrenheit
(°F). It is selected on the °C/°F slide switch. Slide the switch to °C
for Centigrade or °F for Fahrenheit.

Rising

Steady

Falling

WEATHER FORECAST
The unit is capable of detecting atmospheric pressure changes, and
basing on the data collected, can predict the weather for the forthcoming 12 to 24 hours. The effective range covers an area of 30 to
50 km.

The BAR928 is capable of measuring temperatures within the -50°C
(-58°F) and +70°C (+158°F) range. If the temperature goes above or
below that, the display will show flashing ”70” or “-50”.

Indicator
displays on
the unit
Forecast

Sunny

Slightly Cloudy

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Cloudy

Rainy

EN
NOTE:

HOW TO USE AND SCAN
THE MOON PHASE

1. The accuracy of a general pressure-based weather forecast is
about 70 to 75%, and therefore, cannot be held responsible for
any inconveniences so caused by an inaccurate forecast.

The BAR928 is equipped with a moon phase display and scanner
with which eight moon phases are displayed on the screen from new
moon to waning crescent. The one falls on the current day will flash
on the screen.

2. The weather forecast is meant for the next 12 to 24 hours. It may
not necessarily reflect the current situation.
3. The “Sunny” icon, when applies to night time, implies clear
weather.

If it is a full moon or new moon day, the icon will flash faster.
The eight phases are:

INDOOR RELATIVE HUMIDITY
The indoor relative humidity is automatically detected. The reading
is displayed in the relative humidity window.
Like temperature, the maximum and minimum relative humidity
will be stored in memory. Use the MEMORY button to rotate
through the maximum, minimum and current relative humidity. The
respective MAX and MIN indicator will be displayed.

New Moon

Waning Crescent

Waxing Crescent

Last Quarter

First Quarter

To clear the memory, hold down MEMORY for three seconds. The
maximum and minimum temperatures will be erased. If you press
MEMORY now, the maximum and minimum relative humidity will
have the same values as the current one until different readings are
recorded.

Waning Gibbous

Waxing Gibbous

Full Moon

To check the moon phase for a particular day, press the UP or
DOWN button once. The clock will enter moon phase scanning
mode.

COMFORT LEVEL

Use the UP or DOWN button to locate the date you want to check.
The calendar will be day-driven in this mode.

The comfort level is based on the recorded relative humidity. An
indicator will be displayed to show if the level is comfortable, wet or
dry.

You can go back in time or travel to the future, any day between the
years 1990 to 2089. The corresponding moon phase will appear
immediately on the screen.
The unit will return to the last display mode when the UP and
DOWN buttons are left idle for 15 seconds.

ATMOSPHERIC PRESSURE

HOW TO WALL MOUNT OR USE
THE TABLE STAND

The current atmospheric pressure is shown on the atmospheric
pressure window. If you need to adjust the altitude compensation,
follow the procedure set in HOW TO SET THE
CALENDAR MANUALLY.

The unit can be wall-mounted using its recessed screw holes or place
on a flat surface using its table and control stand. To use the stand,
lay the control panel on a flat surface. Then adjust the angle of the
display panel for best display and support.

The atmospheric pressure can be displayed in mb/hPa or inHg. The
unit is selected on the atmospheric pressure slide switch.
Wall-mount

If you want to know the pressure history for a particular hour during
the past 24 hours, press the HISTORY button. Each press on the
button will go back by an hour. Holding down the button will
increase the value rapidly.
The recorded atmospheric changes for the past 24 hours are displayed
in a bar chart above the atmospheric pressure window.

Table stand

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Temperature resolution

HOW TO RESET THE UNIT

: 0.1°C (0.2°F)

Remote Temperature measurement
The RESET button allows you to return all settings to its factory
values. The button is required only when the unit is not operating in
a favorable way, such as in the rare case of a malfunction.

Displayed OUT temperature range : -50.0°C to +70.0°C
(-58.0°F to 158.0°F)

The RESET button is located inside the battery compartment door.
To use the button,

Proposed operating range

: -5.0°C to +50.0°C
(23.0°F to 122.0°F)

1. Lift open the battery compartment door.

Temperature resolution

: 0.1°C (0.2°F)

2. Press the button with a blunt stylus.

Remote unit

3. Replace the battery compartment door.

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)

PRECAUTIONS
This unit 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. If you spill liquid over it, dry
it immediately with a soft, lint-free cloth.

RF Transmission Frequency

: 433 MHz

No. of Remote unit

: one

2. Do not clean the unit with abrasive or corrosive materials. They
may scratch the plastic parts and corrode the electronic circuit.

RF Transmission Range

: Maximum 30 meters

Temperature sensing cycle

: around 30 seconds

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.

• Relative Humidity Measurement
Indoor relative humidity measurement ranging from 25%RH to
95%RH

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.

• Barometric Pressure Measurement

5. Only use fresh batteries as specified in the user’s instructions.
Do not mix new and old batteries as the old ones may leak.
6. Always read the user’s instructions thoroughly before operating
the unit.

Pressure measuring range

: 795 to 1050 mb/ hPa
(23.48 to 31.01 inHg)

Pressure sampling cycle

: 15 minutes

• Moon Phase Functions

TIME ZONE AND OFFSET TABLE

Moon Phase Scanner Range

: From 1990 to 2089

• Radio Controlled Clock
- Maintime set and synchronized by Radio Signal DCF77 for
Continental/ Central Europe
- user selectable 12 or 24h display with hh : mm ss
- Date Format : Day-Month-Year or Month-Day-Year
- Day of week selectable in 5 language (E, F, D, I, Sp )
- 2-minute crescendo alarm

• Power
Main unit

: use 4 pcs UM-3 or “AA”
1.5V alkaline batteries

Remote sensing unit

: use 2 pcs UM-4 or “AAA”
1.5V alkaline batteries

SPECIFICATIONS
• Temperature Measurement

• Weight

Main unit

Main unit
Remote sensing unit

Indoor Temperature measurement
Displayed IN temperature range : -50.0°C to +70.0°C
(-58.0°F to 158.0°F)
Proposed operating range

• Dimension

: -5.0°C to +50.0°C
(23.0°F to 122.0°F)
6

BAR928-E R1 OP

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: 306 gm
: 100 gm

Main unit

: 182(L) x 133(W) x 28(T)
mm

Remote sensing unit

: 92(L) x 60(W) x 21(T) mm

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EN

CAUTION

EC-DECLARATION OF CONFORMITY

— The content of this manual is subject to change without
further notice.

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:

— Due to printing limitations, the displays shown in this
manual may differ from the actual display.
— The manufacturer and its suppliers hold no
responsibility to you or any other person for any damage
expenses, lost profits, or any other claim as a result of
using this product.

Safety of information technology equipment
(Article 3.1.a of the R&TTE Directive)
Applied Standard

EN 60950-1 : 2001

— The contents of this manual may not be reproduced
without the permission of the manufacturer.
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

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.

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:
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

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.

OR

Call 949-608-2848 in the US.
Carmelo Cubito
Agrate Brianza (MI) / Italy January 2004

For international enquiries, please visit www2.oregonscientific.com/
about/international/default.asp

Manufacturer's EU R&TTE Representative

COUNTRIES RTTE APPROVAL COMPLIED
All EC countries, Switzerland
and Norway

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© 2004 Oregon Scientific. All Rights Reserved.
086-001853-226

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