OREGON SCIENTIFIC Jumbo JW108 - Clock

Jumbo JW108 - Clock OREGON SCIENTIFIC - Free user manual and instructions

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Product TypeLarge Format Weather Wall Clock
Dimensions400 x 245 x 25 mm
SynchronizationTri-band Radio-controlled (Atomic Signal)
Daylight Saving Time ChangeAutomatic
DisplayLarge Format LCD
Indoor Temperature-5°C to +50°C
Outdoor Temperature-20°C to +60°C
Temperature Unit°C or °F (selectable)
Weather Forecast12 to 24 hours (integrated barometer)
Wireless Outdoor Sensor IncludedYes (1 transmitter provided)
Sensor Wireless Range30 m
Wireless Frequency433 MHz
Main Station Power Supply3 AA batteries
Outdoor Sensor Power Supply2 AAA batteries
Available ColorsBlack, White

Frequently Asked Questions - Jumbo JW108 OREGON SCIENTIFIC

What is the purpose of the Oregon Scientific Jumbo JW108?
The JW108 is a large format wall clock combining several functions: radio-controlled time display, indoor and outdoor thermometer (via included wireless sensor), barometer, and weather forecasts for 12 to 24 hours. It is suitable for both home and office use.
How is the time set on the JW108?
The clock automatically receives the radio-controlled signal (atomic signal) upon startup. It adjusts the time several times a day without any intervention. The transition to daylight saving time and back is also handled automatically.
The clock does not receive the radio signal, what should I do?
Place the clock near a window or away from electronic devices (TV, computer, microwave) that interfere with the signal. Reception is generally better at night. If the signal remains absent, you can set the time manually using the buttons on the back.
How to install the outdoor temperature sensor?
Insert 2 AAA batteries into the wireless sensor (provided), then place it outside within 30 meters of the main station, without any metal obstacles between the two. Avoid direct exposure to sunlight and heat sources for accurate measurement.
The outdoor sensor is not sending data, how to resolve the issue?
First, check the sensor's batteries (2 AAA batteries) and replace them if necessary. Ensure the distance between the sensor and the clock does not exceed 30 meters and there are no thick obstacles (concrete wall, metal structure) between them. Reset the station by removing the clock's batteries for 30 seconds.
How to switch the display from Celsius to Fahrenheit?
Press the °C/°F button located on the back of the clock to toggle between the two units. The indoor measurement range is from -5°C to +50°C and the outdoor range is from -20°C to +60°C.
Are the weather forecasts reliable?
The weather icons are generated by the built-in barometer that analyzes atmospheric pressure changes over 12 to 24 hours. They indicate a trend (sunny, cloudy, rainy) but do not replace an official weather report. Rapid pressure changes may sometimes slightly offset the forecasts.
What batteries are needed and what is their lifespan?
The main station operates with 3 AA batteries. The outdoor sensor uses 2 AAA batteries. Under normal use, the batteries last several months. Prefer branded alkaline batteries for better autonomy, especially for the sensor exposed to outdoor temperatures.
Can the JW108 be mounted on the wall?
Yes, the clock is designed for wall mounting. Use the hanging slot on the back of the device and a screw suitable for the wall. Ensure the chosen position allows good reception of the radio signal and the wireless sensor.
Is the JW108 available in different colors?
Yes, the JW108A is available in black (JW108A-BK) and white (JW108A-WH). The functionalities are identical for both versions.

User questions about Jumbo JW108 OREGON SCIENTIFIC

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How to reset the external sensor of the OREGON SCIENTIFIC Jumbo JW108 clock after changing the batteries?
Frequently Asked Questions - 23/04/2026
Response Notice-Facile

After changing the batteries of the external sensor of your OREGON SCIENTIFIC Jumbo JW108 clock, you need to reset it and synchronize it with the main unit. Here is the complete procedure to follow.

Step 1: Check the batteries

  • Make sure to use new and functional AAA batteries (2 batteries for the sensor)
  • Strictly follow the indicated polarity (+/-) when installing
  • Prefer alkaline batteries for prolonged use, or good quality lithium batteries in cold temperatures

Step 2: Reset the sensor

  • Remove the batteries from the external sensor compartment
  • Wait 10 to 15 minutes to allow for a complete reset of the sensor
  • Reinsert the new batteries while respecting the polarity (+/-)
  • Close the battery compartment of the sensor

Step 3: Synchronize the sensor with the clock

  • Place the external sensor within 30 meters of the main unit, using the provided wall mount
  • On the main clock, press and hold the SENSOR button to start searching for the sensor
  • The sensor reception icon will indicate if a channel has been found
  • Once the sensor is detected, press the SENSOR button again to stop the search

Important tips for the best reception

  • Place the sensor outside the house, at a height of more than 1.5 meters
  • Protect it from direct sunlight and excessive moisture for accurate readings
  • Avoid thick obstacles (concrete walls, metal structures) between the sensor and the main unit, which reduce range
  • If synchronization fails, try several locations for the best results

If despite these steps the sensor does not synchronize with the main unit, check that the batteries are indeed new, wait a few more minutes, and then restart the search. A persistent hardware issue would require contacting Oregon Scientific technical support.

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Download the instructions for your Clock in PDF format for free! Find your manual Jumbo JW108 - OREGON SCIENTIFIC and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. Jumbo JW108 by OREGON SCIENTIFIC.

USER MANUAL Jumbo JW108 OREGON SCIENTIFIC

Sensor Data Transmission....5

Clock....5

Clock Reception 5

Set The Clock Manually 6

Weather Forecast 6

Temperature....6

Precautions 7

Specifications 7

About Oregon Scientific 8

EU - Declaration Of Conformity......8

FCC Statement....9

Declaration Of Conformity....10

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OREGON SCIENTIFIC Jumbo JW108 - 2

OREGON SCIENTIFIC Jumbo JW108 - 3

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OREGON SCIENTIFIC Jumbo JW108 - 4

OVERVIEW

FRONT VIEW

OREGON SCIENTIFIC Jumbo JW108 - FRONT VIEW - 1

text_image 1 AM PM 10:38 ZONE DAY ON MD IN OUT MON 28 12 26.8 28.8 Oregon 3 4 5
  1. Current time, weather display
  2. Current weekday display
  3. Current date display
  4. Current indoor temperature reading
  5. Current outdoor temperature and sensor reception indication
  6. ☐: Outdoor remote sensor low battery display
  7. ☐ : Main unit low battery display
  8. :Clock signal reception indication

REAR VIEW

OREGON SCIENTIFIC Jumbo JW108 - REAR VIEW - 1

text_image 111213 9 10 14 15 16 17 18
  1. Battery compartment
  2. Battery compartment door
  3. Ⓛ: Manually adjust current time and date
  4. +/- Increase/decrease settings
  5. SENSOR: Enable/disable searching sensor signal
  6. Wall mounting hole
  7. EU/UK/US: Slide to select desired clock reception; time and date setting
  8. °C/°F: Slide to select desired temperature unit
  9. RCC: Enable/disable clock signal reception
  10. RESET: Reset the unit to default settings

REMOTE SENSOR

OREGON SCIENTIFIC Jumbo JW108 - REMOTE SENSOR - 1

text_image 19 20 22 21
  1. LED status indicator
  2. Wall mount hole
  3. TX: Reset the unit to default settings
  4. Battery compartment

GETTING STARTED

INSERT BATTERIES

  1. Remove the battery compartment.
  2. Insert the batteries, matching the polarities (+/-).
  3. Press RESET after each battery replacement.
LOCATIONMEANING
Clock area Main unit batteries low
Outdoor temperature areaensor batteries low

REMOTE SENSOR

The main unit can collect data from up to 1 sensor.

To set up the sensor:

  1. Open the battery compartment.
  2. Press TX.
  3. Close the battery door.
  4. Place the sensor within 98 ft (30 m) of the main unit using the wall mount.

TIP Ideal placements for the sensor would be in any location on the exterior of the home at a height of not more than 5 ft (1.5 m) and which can shield it from direct sunlight or wet conditions for an accurate reading.

OREGON SCIENTIFIC Jumbo JW108 - To set up the sensor: - 1

text_image 1.5m (5ft)

NOTE Use alkaline batteries for longer usage and consumer grade lithium batteries in temperatures below freezing.

SENSOR DATA TRANSMISSION

To search for a sensor:

Press and hold SENSOR. Press and hold again to stop searching.

The sensor reception icon in the remote sensor area shows the status:

Screen display Description
Main unit is searching for sensor(s).
The channel has been found.
The sensor cannot be found.

TIP The transmission range may vary depending on many factors. You may need to experiment with various locations to get the best results.

CLOCK

CLOCK RECEPTION

This clock is designed to synchronize its clock automatically with a clock signal.

Slide to select the desired region (EU/UK/US).

Region Signal
EU DCF
UK MSF
US WWVB

Clock signal reception indicator:

Screen display Description
OREGON SCIENTIFIC Jumbo JW108 - CLOCK RECEPTION - 1Searching for clock signal reception
OREGON SCIENTIFIC Jumbo JW108 - CLOCK RECEPTION - 2Excellent signal
OREGON SCIENTIFIC Jumbo JW108 - CLOCK RECEPTION - 3Weak signal
OREGON SCIENTIFIC Jumbo JW108 - CLOCK RECEPTION - 4No clock signal reception

NOTE It takes 2-10 minutes to receive the clock signal. If the signal is weak, it could take up to 24 hours to receive a valid signal.

To enable/disable signal reception:

Press and hold RCC.

SET THE CLOCK MANUALLY

  1. Press and hold RCC in the battery compartment to disable the clock signal reception.
  2. Press and hold Ⓤ.
  3. Press +/- to change the settings.
  4. Press Ⓛ to confirm.
  5. Press once or press and hold +/- to adjust the setting. For EU/UK, the time-zone offset sets the clock up to +/- 23 hours from the received clock signal time. For US, the time-zone setting is 0 (P), 1 (M), 2 (C), 3 (E).

  6. Press Ⓛ to confirm.

  7. The settings order is: 12/24 hour format, hour, minute, year, calendar format (day-month/month-day), month, day and language.
  8. Press once or press and hold +/- to adjust the setting.

NOTE The language options are English (E), Spanish (S), Italian (I), German (D) and French (F).

WEATHER FORECAST

This product forecasts the next 12 hours of weather within a 19-31 mile (30-50 km) radius.

Screen display Description
OREGON SCIENTIFIC Jumbo JW108 - WEATHER FORECAST - 1Sunny
OREGON SCIENTIFIC Jumbo JW108 - WEATHER FORECAST - 2Cloudy
OREGON SCIENTIFIC Jumbo JW108 - WEATHER FORECAST - 3Rainy
OREGON SCIENTIFIC Jumbo JW108 - WEATHER FORECAST - 4Snowy

TEMPERATURE

To select temperature unit:

- Slide to °C or °F for temperature readings in the battery compartment of the main unit.

PRECAUTIONS

  • Do not subject the unit to excessive force, shock, dust, temperature or humidity.
  • Do not cover the ventilation holes with any items such as newspapers, curtains etc.
  • Do not immerse the unit in water. If you spill liquid over it, dry it immediately with a soft, lint-free cloth.
  • Do not clean the unit with abrasive or corrosive materials.
  • Do not tamper with the unit's internal components. This invalidates the warranty.
  • Only use fresh batteries. Do not mix new and old batteries.
  • Images shown in this manual may differ from the actual display.
  • When disposing of this product, ensure it is collected separately for special treatment and not as household waste.
  • Placement of this product on certain types of wood may result in damage to its finish for which Oregon Scientific will not be responsible. Consult the furniture manufacturer's care instructions for information.
  • The contents of this manual may not be reproduced without the permission of the manufacturer.
  • Do not dispose old batteries as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.

- Please note that some units are equipped with a battery safety strip. Remove the strip from the battery compartment before first use.

NOTE The technical specifications for this product and the contents of the user manual are subject to change without notice.

NOTE Features and accessories will not be available in all countries. For more information, please contact your local retailer.

SPECIFICATIONS

TYPE DESCRIPTION
MAIN UNIT
L x W x H 390 x 243 x 25mm15.3 x 9.57 x 0.98 in
Weight 1052 g (37.1 ounces)without battery
Operation range -5°C to 50°C(23°F to 122°F)
Time format 24/12 Hour withAM/PM
Temperature format °C/°F
Date format MM:DD/DD:MM
Day-of-week display English/French/German/Spanish/Italian
Power 3 x UM-3 (AA) 1.5 Vbatteries
REMOTE UNIT
L x W x H 94.5 x 48 x 27 mm(3.72 x 1.89 x 1.06 in)
Weight 44 g (1.55 ounces)without battery
Transmission range 98 ft (30 m)unobstructed
Temperature range -20°C to 60°C(-4°F to 140°F)
Power 2 x UM-4 (AAA) 1.5 Vbatteries
Splash-proof standard JIS-3

ABOUT OREGON SCIENTIFIC

Visit our website www.oregonscientific.com to learn more about Oregon Scientific products.

For any enquiry, please contact our Customer Service at info@oregonscientific.com.

Oregon Scientific Global Distribution Limited reserves the right to interpret and construe any contents, terms and provisions in this user manual and to amend it, at its sole discretion, at any time without prior notice. To the extent that there is any inconsistency between the English version and any other language versions, the English version shall prevail.

EU - DECLARATION OF CONFORMITY

Hereby, Oregon Scientific, declares that Jumbo Wall Clock (Model: JW108) is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. A copy of the signed and dated Declaration of Conformity is available on request via our Oregon Scientific Customer Service.

OREGON SCIENTIFIC Jumbo JW108 - EU - DECLARATION OF CONFORMITY - 1

OREGON SCIENTIFIC Jumbo JW108 - EU - DECLARATION OF CONFORMITY - 2

OREGON SCIENTIFIC Jumbo JW108 - EU - DECLARATION OF CONFORMITY - 3

OREGON SCIENTIFIC Jumbo JW108 - EU - DECLARATION OF CONFORMITY - 4

COUNTRIES RTTE APPROVAL COMPLIED

All EU countries, Switzerland and Norway

FCC STATEMENT

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

DECLARATION OF CONFORMITY

The following information is not to be used as contact for support or sales. Please call our customer service number (listed on our website at www.oregonscientific.com), or on the warranty card for this product) for all inquiries instead.

We

Name: Oregon Scientific, Inc.

Address: 10778 SW Manhasset Dr.

UNIT B-2 Tualatin,

Or 97062 USA

Telephone No.: 1-800-853-8883

declare that the product

Product No.: JW108

Product Name: Jumbo Wall Clock

Manufacturer: IDT Technology Limited

Address: Block C, 9/F, Kaiser Estate,

Phase 1, 41 Man Yue St.,

Hung Hom, Kowloon,

Hong Kong

is in conformity with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference. 2) This device must accept any interference received, including interference that may cause undesired operation.

Orologio da parete Jumbo

Modello: JW108

Manuale utente

INDICE

Panoramica 2

text_image 1 AM 10:38 PM ZONE DAY ON MD IN OUT MON 28 12 26.8 28.8 Oregon 3 4 5 6 7 8
text_image 1.5m (5ft)
text_image 1 AM 10:38 PM ZONE DAY MON 28 12 DM MD 26.8 IN 4 OUT 5 Green
text_image 1.5m (5ft)
text_image 1.5m (5ft)
Region Signal
EU DCF
UK MSF
US WWVB
text_image 1.5m (5ft)
text_image 1 AM 10:38 PM ZONE DAY ON MD IN OUT MON 28 12 26.8 28.8 Oregon 3 4 5 6 7 8
text_image 1.5m (5ft)
text_image 1 AM PM 10:38 ZONE DAY ON MD IN OUT MON 28 12 26.8 28.8 Oregon 3 4 5
text_image 1.5m (5ft)
text_image 1 AM PM 10:38 ZONE DAY ON MD IN OUT MON 28 12 26.8 28.8 3 4 5 6 7 8
text_image 1.5m (5ft)
Region Signal
EU DCF
UK MSF
US WWVB

Klocksignal mottagningsindikator:

text_image 1.5m (5ft)
text_image 1.5m (5ft)

Oregon Scientific Inc.

Tualatin, Oregon USA

欧西亚中国授权制造商

展科电子(深圳)有限公司

制造地:中国深圳宝安臣田工业村

OREGON SCIENTIFIC Jumbo JW108 - INDICE - 1

© 2014 Oregon Scientific. All rights reserved.

300103701-00002-10

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Product information

Brand : OREGON SCIENTIFIC

Model : Jumbo JW108

Category : Clock