Oregon Scientific JM889 User manual

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Oregon ScientificTM JUMBO RF CLOCK
with Indoor Thermometer
(JM889/JM889U)
User Manual
TABLE OF CONTENTS
Introduction ........................................................................ 2
Key features ....................................................................... 2
Front view ........................................................................ 2
Back view ........................................................................ 3
LCD display symbols ....................................................... 3
Safety and care instructions ............................................. 4
Safety precautions ........................................................... 4
Caring for your product .................................................... 4
Getting started ................................................................... 4
Unpacking the product..................................................... 4
Batteries .......................................................................... 5
Placement of unit ............................................................. 5
Indoor temperature display .............................................. 6
Toggling between seconds/day-of-week display ............. 6
Radio reception .................................................................. 6
Radio reception description ............................................. 6
Enabling/disabling radio reception................................... 7
To set the clock manually ................................................. 7
Language options ............................................................ 8
Alarm functions.................................................................. 8
Basic functions ................................................................ 8
Displaying alarm time ...................................................... 8
Adjusting the alarm time .................................................. 9
Activating / deactivating the alarm ................................... 9
Reset hole ........................................................................... 9
Troubleshooting guide .................................................... 10
Specifications................................................................... 11
Warnings........................................................................... 11
Additional resources ....................................................... 12
EC-Declaration of conformity.......................................... 12

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INTRODUCTION
Thank you for selecting the Oregon ScientificTM Jumbo RF
ClockwithIndoorThermometerasyourproductofchoice.This
device is designed to give you many years of reliable service,
including the following conveniences:
• Radio-Controlled Calendar Clock*
• Indoor Temperature Display
• Daily Alarm
*Automaticallysynchronizesthecurrenttimeanddatewhen
itisbroughtwithinrangeoftheradiosignalMSF60generated
fromRugby,England(modelJM889U)orDCF77generated
fromFrankfurt,GermanyforCentralEurope(modelJM889).
Inadditiontoprovidingstep-by-stepinstructionsforthisproduct,
this manual contains important safety and care information.
Readthemanualthoroughly,andkeepitinasafeplaceincase
you need to refer to it.
KEY FEATURES
1. Main LCD Display
Displays current time and RF signal reception indication
2. Seconds/Day-of-Week Display
Can select between seconds or day-of-week display
3. Current Date/Alarm Time Display
Can select between current date or alarm time display
4. Indoor Temperature Display
Displays currently monitored indoor temperature
Front View
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Back View
LCD Display Symbols
Icon Description Explanation
Radio Reception
Signal Indicates the condition of radio reception.
Low Battery Appearswhen powerislow.
Alarm-on Appears when alarm is activated.
Alarm Time
Indicator Appears when alarm time is displayed.
5. Wall-Mount Recess Hole
For mounting the unit to a wall
6. Alarm Button
To display and adjust alarm time
7. Clock Button
To manually adjust current time and date
8. Reset Hole
Returns all settings to default values.
9. button
Usedtoadjustsettingsdownonenotchortoenable/disable
RF radio reception
10. button
Used to adjust settings up one notch or to enable/disable
RF radio reception
11. Battery Compartment
The unit uses 2 AA/UM-3 1.5V batteries for power.
12. Table Stand
Canbepulledoutandusedtostandtheunitonaflatsurface
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SAFETY AND CARE INSTRUCTIONS
Safety Precautions
Please observe the following safety precautions when setting
up and using this product.
•LCD panel - The LCD panel is made of glass, and may
break if the unit is dropped or impacted.
•Heat sources - Keep the product away from heat sources
such as radiators, stoves, heaters, and other
heat-generating products.
•Water and moisture - Do not use the product in or near
water or in high moisture areas such as a bathroom.
Caring for your Product
To ensure you receive the maximum benefit from using this
product, please observe the following guidelines.
•Cleaning - Use a damp cloth. Do not use liquid cleaning
agents, benzene, thinner, or aerosols.
•Ventilation - The vents and other openings are designed
for ventilation, and should not be blocked or covered.
Blockingtheventscancausetheproducttooverheat,and
can damage the unit.
•Repair-Do not attemptto repair theproduct or modifythe
circuitry by yourself. Contact the retailer or a qualified
repairman if the product requires servicing. Only use
replacement parts that are recommended by the
manufacturer.
•DonotscratchhardobjectsagainsttheLCDdisplayasthis
may cause damage.
GETTING STARTED
Unpacking the product
Whenyouunpackyourclock,makesuretokeepallthepacking
materials in a safe place, in case you need to later transport or
return it for servicing.
In the box, you will find:
Clock unit Batteries User manual

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Batteries
When using the product for the first time, please note
that the batteries have already been installed in the unit.
To operate, locate the clear plastic battery tab inside the
battery compartment and remove it.
To load the batteries:
Diagram Instructions
1. Locate the battery compartment.
2. Installthebatteriesbymatchingthecorrect
polarity.Alwaysusethecorrectbatterytype
(2 UM-3 AA-sized 1.5V batteries).
Warning: Reversing the polarity may
damage the product.
Replace the batteries whenever the weak battery
mark ( ) is shown, the display is dim, or the display does not
illuminatewhenthepowerison.Replaceallthebatteriesatthe
same time - it is dangerous to mix old and new batteries.
Contact your local waste disposal authority for instructions on
how to dispose of used batteries. Used batteries can be
harmful to the environment, and should not be thrown out with
household trash.
Placement of Unit
You can either mount the main unit on a wall or make it stand
on a flat surface.
Method Instruction Diagram
Table
Stand The unit is already equipped with a Table
Stand. Simply pull out the Table Stand
and rest the main unit on a flat surface.
Wall
Mount Themain unitcan bemountedontoawall
using a No. 6 screw (3.0mm).
a) Position and nail the screw into the
place where you would like to hang
your main unit.
b) Leave ample space between the wall
and the screw head while testing to
make sure the nail is secure.
c) Fit the unit’s Wall-Mount Recess Hole
onto the screw head.
NOTE
NOTE

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Indoor Temperature Display
Soon after the clear plastic battery tab has been removed, the
unit immediately reads and displays the surrounding indoor
temperature.
Toggling between Seconds/Day-of-Week Display
To toggle between displaying seconds or day-of-week on the
LCD screen, press the CLOCK button.
RADIO RECEPTION
This product is designed to synchronize its calendar clock
automaticallyonceitisbroughtwithinrangeoftheradiosignal.
When the unit is receiving the signal, the Radio Reception
symbol with start to blink. Generally, complete reception takes
around2to10minutes,dependingonthestrengthofthesignal.
Radio Reception Description
Radio Reception Description
Reception can be affected by a number of factors. For
best reception, place the device away from metal objects and
electrical appliances. Other causes for signal interference
include electrical transmission tower, steel reinforced
construction,and metalsiding. Receptionis idealwhenplaced
near a window.
Even though there are areas that may have more difficulty in
receiving a signal, the Atomic Clock contains accurate quartz
movement and will retain precise timing if the signal is missed
on a rare occasion.
Strong reception of radio clock signal.
Weak reception of radio clock signal.
No reception of the radio clock signal.
Receiving the radio clock signal.
Radio Reception is disabled.
NOTE

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Enabling/Disabling Radio Reception
To manually disable the reception of the RF signal, press and
hold the [UP ] and [DOWN ] buttons simultaneously for
2 seconds until the Radio Reception symbol completely
disappears.
To enable the reception again, press and hold [UP ] and
[DOWN ] buttons simultaneously for 2 seconds. The Radio
Reception symbol will blink and the unit will search for the RF
signal automatically.
TO SET THE CLOCK MANUALLY
Toadjusttheclocksettingsmanuallywithoutautomatic
RFsynchronization,remembertodisabletheRadioReception
first. Press once or press and hold the [UP ] or [DOWN ]
buttons to adjust the value of each setting.
NOTE
Diagram Instructions
1. Press and hold the CLOCK button for 2 seconds.
2. Adjust the current month. Press CLOCK when done.
Diagram Instructions
3. Adjust the current date. Press CLOCK when done.
4. Choose the language displayed for the day-of-week.
Press CLOCK when done.
5.Choosethe currentday-of-week.Press CLOCK when
done.
6. Adjust the current hour. Press CLOCK when done.
7. Adjust the current minute. Press CLOCK when done.
8. LCD Display returns to normal clock operation.

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Language Options
Themainunitcandisplaytheweek-
day in five different selectable lan-
guages.
ALARM FUNCTIONS
Basic Functions
Your product can also be used as
an alarm clock.
1.Whenthealarmgoesoff,you
can turn it off by pressing
ALARM.
2.The alarm will automatically
stop ringing after 1 minute.
Butafter8minutes,thealarm
will sound again unless
ALARM is pressed.
Symbol Language
English
German
French
Italian
Spanish
Displaying Alarm Time
Bydefault,the unit’sLCD screendisplaysthe currentdate and
month. To display the alarm time instead:
1. LCD screen displays the current date and month.
2. Press the ALARM button.
3. The currently set Alarm Time is now displayed.
Diagram Instructions

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Adjusting the Alarm Time
To adjust the Alarm Time, make sure that the Alarm Time is
currently displayed on the LCD screen.
1. Press and hold the ALARM button for 2 seconds.
2. AdjustthehouroftheAlarmTime.PressALARMwhen
done.
3. Adjust the minute of the Alarm Time. Press ALARM
when done.
4. Adjusted Alarm Time now displayed.
Activating / Deactivating the Alarm
Diagram Instructions
Diagram Instructions
1. LCD screen displays Alarm Time. If is displayed,
the alarm is enabled. Otherwise it is disabled.
2. Press ALARM button to enable or disable the alarm.
RESET HOLE
If the clock behaves strangely or
stopsresponding,insertandpress
abluntstylusintotheclock’sReset
Hole. The clock will then be reset
to its original factory setting.

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TROUBLESHOOTING GUIDE
This section includes a list of frequently asked questions for
problemsyoumayencounter.Ifyourdeviceisnotoperatingas
you think it should, check here before arranging for servicing.
Radio antenna not
displayed on LCD
screen.
The RF signal
cannot be
received.
Obstacles (either
electromagnetic
interference or
objects) are
barring the signal
from reaching the
main unit.
Move the unit
away from any
sources of
interference,
including other
electronic devices.
Batteries of the
unit are low. Check LCD Display of the unit. Install new batteries into the
unit.
Problem Symptom Check This Remedy
Problem Symptom Check This Remedy
Clock time is not
correctly set. No radio signal
reception. Electromagnetic
interference or
objects are barring
reception.
Orientation or
placement of main
unit is not optimum
for receiving the
RF signal.
Place the main unit
far away from PCs,
phones, and other
electronic
equipment.
No Alarm Alarm does not
sound. Alarm is disabled. Turn on the alarm
setting.
Operation Not
Normal Certain functions
do not perform. Device requires reset. Reset the unit with
a blunt stylus
pressed against
the RESET Hole.
displayed
on LCD screen.

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SPECIFICATIONS
Dimensions:
Width x Height x Depth 234mm x 220mm x 23mm
Weight 426g (without batteries)
Radio frequency:
System DCF77 (JM889) or
MSF60 (JM889U)
Display:
Time format 24 Hour (JM889) or
12-Hour AM/PM (JM889U)
Date format DD-MM
Day-of-week display In English, French, German,
Spanish, and Italian
Clock accuracy +/-0.5 second per day
(when RF is disabled)
Alarm:
Alarm Duration 1 minute
Power:
Power supply 2 x UM-3 / AA 1.5V batteries
Operating environment:
Operation temperature -5.0°C to +50.0°C
Temperature resolution 0.1°C
Default temperature unit °C
WARNINGS
Toensureyouuseyourproductcorrectlyandsafely,readthese
Warningsandtheentireuser manualbeforeusingtheproduct.
The warnings given here provide important safety information
and should be observed at all times.
WARNINGS
•Do not attempt to repair the product yourself. Contact
the retailer or our customer service department if it
requires servicing.
•Takeprecautionswhenhandlingallbatterytypes.They
can cause injuries, burns, or property damage as a
result of contact with conducting materials, heat,
corrosivematerialsorexplosives.Removethebatteries
before storing the product for long periods of time.
•Theproduct isaprecisioninstrument.Never attemptto
take this device apart. There is a serious danger of
powerful electric shocks.
•Do not immerse the device in water.
•Do not, under any circumstances, touch the exposed
electronic circuitry of the device as there is a danger of
electric shock should it become exposed.
•Take special care when handling a damaged
LCD display, as the liquid crystals can be harmful to
your health.
•Do not use or store the device, including the remote
sensor,inlocationsthatmayadverselyaffecttheproduct
such as rain, snow, desert, and magnetic fields.