Oregon Scientific JM889N Manuale utente
Jumbo RF Clock
with Indoor Thermometer
Model: JM889N / JM889NU
User Manual
JM889N English Cover R2 8/17/04, 3:28 PM1
1
EN
Oregon ScientificTM Jumbo RF Clock
with Indoor Thermometer
(JM889N / JM889NU)
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
About Oregon Scientific .................................................. 12
EC-Declaration of conformity.......................................... 13
JM889N_NU_English R2 8/17/04, 3:28 PM1
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2
INTRODUCTION
Thank you for selecting the Oregon ScientificTM Jumbo RF
Clock with Indoor Thermometer as your product of choice. 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
*Automatically synchronizes the current time and date when
itisbroughtwithinrangeoftheradiosignalMSF60generated
fromRugby,England(modelJM889NU)orDCF77 generated
fromFrankfurt,GermanyforCentralEurope(modelJM889N).
Inadditiontoproviding step-by-step instructions for this product,
this manual contains important safety and care information.
Read the manual thoroughly, and keep it in a safe place in case
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
Select between seconds or day-of-week display
3. Current Date/Alarm Time Display
Select between current date or alarm time display
4. Indoor Temperature Display
Displays currently monitored indoor temperature
Front View
1
2
3
4
JM889N_NU_English R2 8/17/04, 3:28 PM2
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EN
Back View
LCD Display Symbols
Icon Description Explanation
Radio Reception
Signal
Indicates the condition of radio reception.
Low Battery Appears when power is low.
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
Display and adjust alarm time
7. Clock Button
Manually adjust current time and date
8. Reset Hole
Returns all settings to default values.
9. Button
Used to adjust settings down one notch or to enable/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 1.5V batteries for power.
12. Table Stand
Can be pulled out and used to stand the unit on a flat surface
5
6
7
8
9
10
11
12
JM889N_NU_English R2 8/17/04, 3:28 PM3
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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.
Blocking the vents can cause the product to overheat, and
can damage the unit.
• Repair - Do not attempt to repair the product or modify the
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.
• Do not scratch hard objects against the LCD display as this
may cause damage.
GETTING STARTED
Unpacking the product
When you unpack your clock, make sure to keep all the packing
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
JM889N_NU_English R2 8/17/04, 3:28 PM4
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EN
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. Install the batteries by matching the correct
polarity.Alwaysusethe correct battery type
(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
illuminate when the power is on. Replace all the batteries at the
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 The main unit can be mounted onto a wall
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 CLOCK.
RADIO RECEPTION
This product is designed to synchronize its calendar clock
automatically once it is brought within range of the radio signal.
When the unit is receiving the signal, the Radio Reception
symbol with start to blink. Generally, complete reception takes
around 2 to 10 minutes, depending on the strength of the signal.
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 towers, steel reinforced
construction, and metal siding. Reception is ideal when placed
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
JM889N_NU_English R2 8/17/04, 3:28 PM6
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EN
Enabling/Disabling Radio Reception
To manually disable the reception of the RF signal,
press and hold [UP ] and [DOWN ]simultaneously for
2 seconds until the Radio Reception symbol completely
disappears.
To enable the reception again, press and hold [UP ] and
[DOWN ]simultaneouslyfor 2seconds.TheRadio Reception
symbol will blink and the unit will search for the RF*¤ignal
automatically.
TO SET THE CLOCK MANUALLY
To adjust the clock settings manually without automatic
RF synchronization, remember to disable the Radio Reception
first. Press once or press and hold [UP ]or [DOWN ]
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. Choose the current day-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.
JM889N_NU_English R2 8/17/04, 3:28 PM7
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8
Language Options
Themain unitcandisplaythe week-
day in five different selectable lan-
guages.
ALARM FUNCTIONS
Basic Functions
Your product can also be used as
an alarm clock.
1. When the alarm sounds, you
can turn it off by pressing
ALARM.
2. The alarm will automatically
stop ringing after 1 minute.
But after 8 minutes, the alarm
will sound again unless
ALARM is pressed.
Symbol Language
English
German
French
Italian
Spanish
Displaying Alarm Time
By default, the unit’s LCD screen displays the current date 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
JM889N_NU_English R2 8/17/04, 3:28 PM8
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Adjusting 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. Adjust the hour of the Alarm Time. Press ALARM when
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
stops responding, insert and press
a blunt stylus into the clock’s Reset
Hole. The clock will then be reset
to its original factory setting.
JM889N_NU_English R2 8/17/04, 3:28 PM9
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