Oregon Scientific Jumbo JMR828A Manual de usuario

INTRODUCTION

Congratulations on purchasing the Jumbo RF Wall Clock with

Indoor-Outdoor Thermometer (JMR828A).

The JMR828A is a multifunctional radio frequency (RF) controlled

clock. It is designed to automatically synchronize its current

time and date when brought within range of the radio signal

generated from the U.S Atomic clock.

Also, this unit displays outdoor and indoor temperature.

Included in this package is a remote thermo-sensor. Place the

thermo-sensor in a sheltered outdoor location within a 100 feet

(30 meters) radius of the main unit and it will transmit outdoor

temperature readings to the JMR828A.

DESCRIPTION OF PARTS

AMAINUNIT

A1 Extra-large liquid crystal display (LCD)

• Displays the time, date and day-of-the-week

A2 [ ] Radio-reception signal

Indicates the condition of radio reception

A3 [ ] Low-battery indicator

Activates when the battery power is low

A4 [ ] Low- battery indicator (remote sensor)

Activates when the remote-sensor battery power is low

A5 Bottom line of LCD

Displays indoor temperature /date / outdoor temperature

A6 [CHANNEL

]

Toggles between different channels

A7 [

CLOCK

] button

Toggles between “seconds” and day-of-the-week

displays or activates the calendar-clock setting mode

A8 [ ] UP button

Increases the value of a setting

A9 [ ZONE ] button

Toggles among the 4 US time-zones: Pacific (P),

Mountains (M), Central (C) or Eastern (E)

A10 [

THERMO

] button

Retrieves temperature information

JUMBO RFWALL CLOCK

WITH INDOOR - OUTDOORTHERMOMETER

MODEL NO.: JMR828A

Instruction Manual

A11 [°C/°F] Slide Switch

Toggles between Degree Celsius (°C) or Degree Fahrenheit

(°F) temperature display unit

A12 [

RESET

] Button

Resets the unit by returning all settings to their default

values

A13 Battery Compartment

Accommodates two UM-3 or AA-size 1.5V batteries

A14 Table Stand

For placing the unit on a flat surface

A15 Wall-Mount Hole

For mounting the unit on a wall

A5 A4

A11

A10

A14

A15

A12

A13

UM3 AA UM3 AA

BREMOTETHERMO SENSOR

B1 LCD

Displays the current temperature monitored by the remote

unit

B2 LED indicator

Flashes when the remote unit transmits data to the main

display unit

B3 °C/°F slide switch

Selects between Centigrade (°C) and Fahrenheit (°F)

B4 [ ] Low-battery indicator

Appears when the battery power is low

B5 RESET button

Returns all settings to default values

B6 Battery compartment

Accommodates two UM-3 or AA size batteries

B7 BATTERYDOOR

B8 Wall-mount holder

Use to mount remote sensor on a wall

B9 Removable table-stand

For standing the remote unit on a flat surface

BATTERY INSTALLATION AND REMOTE

THERMO-SENSOR SETUP

Follow this step-by-step procedure for installing batteries and

setting up the remote-sensor unit. Successful setup should ensure

that temperature signals are properly received.

Note: The effective range may be limited by building

materials and the position of either the main unit or the

remote thermo-sensor unit. Try various set-up

arrangements for best result.

Setting up the thermo-sensor unit:

1. Position the remote sensor within the signal transmission

range of the main display unit. The maximum transmission

range is 100 feet (30 metres).

2. Remove the screws of the battery door on the remote thermo-

sensor unit.

3. Select display of temperature in either °C or °F using the

°C/°F slide switch.

4. Install into the thermo-sensor unit, two UM-3 or "AA" size

1.5V batteries strictly according to the polarities shown.

5. Replace the battery compartment door and secure its screws.

Note: Though the sensor is splash proof and is meant for

use outside, it should be placed away from direct sunlight,

rain, or snow.

Once the batteries have been inserted into the remote thermo-

sensor unit, batteries can now be inserted into the main unit.

BATTERY INSTALLATION : MAIN UNIT

This unit requires two (2) UM-3 or “AA” size batteries for operation.

How to insert batteries into the main unit:

1. Press the door tab and click-open the door.

2. Insert the batteries strictly according to the polarities shown

therein.

CHANNEL

1 2 3 RESET

˚C ˚F

B2 B3

day-of-the-week display

“second” display

The day-of-the-week is displayed as an abbreviation in three

languages.

Day-of-the-week

Language Monday Tuesday Wed. Thursday Friday Saturday Sunday

English

Spanish

French

To change the “seconds” display to the day-of-the-week display:

1. When the “seconds” are displayed, press [CLOCK] once.

To change the day-of-the-week display to the “seconds” display:

1. When the day-of-the-week is displayed, press [CLOCK] once.

HOW TO SET THE CALENDAR CLOCK

MANUALLY

When the unit is outside of the radio signal generated from the

U.S Atomic Clock, the unit may require manual setting.

Note: The RF controlled mechanism overrides manual

settings unless auto-reception of radio signal is being

deactivated. If manual settings are made, the clock will

periodically adjust the time to what is indicated by the

radio signal.

It is highly unlikely you should ever have the desire (or need ) to

manually set the clock time, year, month or date of the JMR828A

when it is within signal range of the Atomic clock.

However, in the event this becomes necessary please review the

following.

3. Replace the door so that it clicks into place.

Note: If not disposed of properly, batteries can be

harmful. Protect the environment by taking

exhausted batteries to authorized disposal stations.

Note: [ ] Low-battery indicator

Replace the batteries when the Low-battery indicator lights up.

ABOUT RADIO RECEPTION

The JMR828A is a radio frequency (RF) controlled clock. When

located within radio signal range from the U.S Atomic Clock , the

clock time will automatically synchronize with time-signal

transmission. The benefit of a RF controlled clock is that highly-

accurate time is maintained and manual adjustments to the time

and date are not required.

When the batteries are first installed, the JMR828A will

automatically search for a radio signal.

When in search mode, the antenna icon [ ]will blink. This

process takes between two (2) and (10) minutes. After initial

search and synchronization with the Atomic clock, short periodic

reception-signal scans will commence several times a day.

The antenna icon indicates the quality of reception.

STRONG

WEAK

NORECEPTION

RECEIVING

To deactivate the auto-reception of the radio signal, press and

hold [ZONE] for 2 seconds and the antenna icon will disappear.

To enable this auto-reception again, press and hold [ ] for 2

seconds. The antenna icon will re-appear.

Interference

Reception can be affected by a number of factors. For best reception,

place the device away from metal objects and electrical appliances.

Note: Interference from sources such as TV sets can affect

the signal. If, after batteries have been inserted for ten

minutes, the radio signal is not received, then set the time

manually (see section: How To Set The Calendar Clock

Manually).

SECONDS AND DAY-OF-THE-WEEK

DISPLAY

The “second” and the day-of-the-week share the same section of

the display.

To manually set the clock:

1. Press [CLOCK] and hold for two seconds. The hour will start

to flash.

2. Enter the correct hour using the [] button. Hold to rapidly

increase the value.

3. Press [CLOCK] to confirm and proceed to set the minute.

Again, use the [] button to select the correct minute.

4. Press [CLOCK] to proceed to set the year, month, day and

language for day - of - week.

5. When finished, press [CLOCK]. The time and date are now set.

6. To select the U.S. time - zone, press [ZONE] to toggle among

Pacific(P), Mountains (M), Central(C) or Eastern (E).

TEMPERATURE DISPLAY

This unit displays temperature in °C or °F

temperature display

The remote outdoor temperature display has a kinetic-wave display.

The kinetic-wave display shows the signal-receiving status by

the main unit. The are three possible forms.

The unit is in searching mode.

Temperature readings are

securely registered.

No signals

NOTE: JMR828A can also scan for max 3 different remote

temperature channels. To do so, simply press the CHANNEL

button once to switch to the different channel.

SENSOR TRANSMISSION STATUS

If blanks "----" appear on the remote temperature display of the

main, then the unit is not receiving a signal from the remote

thermo sensor. The user may be able to receive a signal by doing

a signal search.

Remote Sensor Signal Search:

Press [THERMO] and [CHANNEL] together for 2 seconds. The

unit will search for a remote thermo-sensor signal.

If the unit still cannot receive a signal, check the batteries to

ensure they are properly installed and have ample power. Try

repositioning the units as they might be having a temperature

transmission block due to signal interference.

Note:

Reasons for not receiving a signal from the remote thermo

sensor may include:

1. The batteries of the remote sensor, the main unit, or both

may be low. Low-battery icons should indicate that battery

power is low and the batteries require changing.

• When the temperature falls below freezing point, the

batteries will freeze. Frozen batteries will have a

lower voltage and result in a lower transmission

radius.

2. The transmission range is too far.

• Shorten the distance.

3. The transmission path is cluttered with obstacles and

interference.

• Shorten the distance or reposition the remote sensor

or the main unit.

TEMPERATURE TREND INDICATORS

The temperature-trend indicator show the trends of the collected

remote temperature readings for the past half hour. Arrows indicate

a rising, steady or falling trend.

Note : If the reading goes above or below the measuring

range of the remote unit (stated in specification), the

display will show "HHH" or "LLL".

HOW TO RESET THE UNIT

Press [RESET] to return all settings to the factory values.

The button is used when the unit is not operating in a favorable

way, such as in the rare case of a malfunction.

HOW TO WALL MOUNT OR

USE TABLE STAND

MAIN UNIT

Flip the table stand open to place the unit on a steady, flat surface.

Or use the recessed hole on the back to mount it on a wall.

TEMP TEMP TEMP

Arrow indicator

Temperature

Trend Rising Falling

Steady

Wall-mount Table Stand

REMOTE THERMO SENSOR

This sensor comes with a wall-mount holder and a removable

stand. Use either to hold the unit in place.

Wall-mount Table Stand

MAINTENANCE

When handled properly, this unit is engineered to give you years

of satisfactory service.

Here are several product-care suggestions:

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

MAIN UNIT

Clock Functions

Radio Control : Auto synchronizes current time

and date by Radio signal

from the U.S. Atomic Clock

Calendar : Day of week in English / French /

Spanish

Current month / day format

Clock Time : 12-hour format

Accuracy : +/- 0.5 second/day

(when RF is disabled)

General specification

Power : Two (2) UM-3 or “AA” size

1.5V battery

Unit Dimension : 10.51x8.03x1.42 inches

(267x204x36mm)

Unit Weight : approx. 23.28 ounces (660 gms.)

(without batteries)

Indoor Temperature Measurement

Temperature

Measuring Range :23°F to 122°F (-5°C to 50 °C)

Temperature Resolution : 32.2 °F(0.1 °C)

REMOTE THERMO SENSOR

Remote Temperature

Measuring Range :-4°F to 140°F (-20°C to 60 °C)

Temperature resolution : 32.2 °F(0.1 °C)

RF Transmission : 433 MHz

Frequency

RF Transmission Range : Maximum 100 feet (30 meters)

Power : Two (2) UM-3 or “AA” 1.5V battery

Weight : 3.53 ounces (100gms)

(without batteries)

Dimension : 3.62x2.36x.83 inches

(92x60x21mm)

NOTE ON COMPLIANCE

Warning: Changes or modifications to this unit not expressly

approved by the party responsible for compliance could void the

user's authority to operate the equipment.

FCC:

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:

oReorient or relocate the receiving antenna.

oIncrease the separation between the equipment and receiver.

oConnect the equipment into an outlet on a circuit different from

that to which the receiver is needed.

oConsult the dealer of an experienced radio/TV technician for

help.

Company Name: Oregon Scientific, Inc.

Address: 19861 SW 95th Place, Tualatin, Oregon 97062, USA

Website address: www.oregonscientific.com.

Name and model number of the product: Jumbo RF wall Clock

with indoor - outdoor Thermometer JMR828A

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 contents of this manual may not be reproduced

without the permission of the manufacturer.

CUSTOMER ASSISTANCE

Should you require assistance regarding this product and its

operation, please contact our customer care department at

800-853-8883 or via email at [email protected]. Our

customer care department is available 24-7-365.

WARRANTY

This product is warranted to be free of manufacturing defects for

a period of 3 months from date of retail purchase. Defective

product should be directed to the place of retail purchase for

exchange.

Should this not be possible, contact our customer care department

for assistance and a return material authorization. No returns may

be made without a return authorization. Please retain your retail

receipt as you may be asked to provide a copy of it for proof of

date purchased.

This warranty does not cover product subjected to abuse, misuse,

accidental damage or tampering.

Upon return of the defective product, Oregon Scientific will at its

discretion, replace the product with either a new or a tested

reconditioned product. Should the product be out of warranty,

the consumer may purchase directly from Oregon Scientific a

replacement at reasonable cost plus shipping and handling.

MODEL: JMR828A

JUMBO RFWALL CLOCK

WITH INDOOR-OUTDOORTHERMOMETER

Instruction Manual

****

Mode D'emploi

****

Bedienungsanleitung

****

Manuale di Istruzioni

****

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