Oregon Scientific JTR-168LR Bedienungsanleitung

Deluxe In/Out Remote Thermometer

with Trend Chart

MODEL: JTR-168LR

USER'S MANUAL

INTRODUCTION

Congratulations on your purchase of the JTR-168LR Deluxe In/

Out Remote Thermometer.

The basic package comes with a main unit (the temperature

station) and a remote unit (the thermo sensor). The main unit can

support up to three remote units.

The JTR-168LR is easy to use. The main unit has a large display

for the outdoor temperatures, temperature variance for the last 12

hours and the indoor temperatures.

Additional features include ice warning and maximum/ minimum

temperatures for indoors and outdoors.

No wire installation is required between the main unit and the

remote units. As the JTR-168LR operates at 433MHz, it can be

used in the U.S. and most places in Continental Europe.

MAIN FEATURES A. OUTDOOR TEMPERATURE

Displays current temperature of remote sensor unit.

B. TEMPERATURE TREND CHART

Outdoor CHANNEL 1 temperature variance display, last 12

hours.

C. INDOOR TEMPERATURE

Shows the collected indoors temperature

D. ICE WARNING ICON

Lights up when the ice warning function is active

E. CHANNEL BUTTON

Sets the remote sensor channel .

F. MEMORY BUTTON

Toggles between current, maximum and minimum tempera-

tures

G. CLEAR BUTTON

Erases memory data

H. RESET BUTTON

Returns all settings to default values

I. ICE WARNING SLIDE SWITCH [AL ON/OFF]

Turns on or off the ice warning function

J. °C/°F SLIDE SWITCH

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

K. BATTERY COMPARTMENT

Accommodates two UM-3 or AA-size batteries

L. ANTENNA

Receives radio signal from remote unit

M. TABLE STAND

For standing the main unit on a flat surface

N. WALL-MOUNT RECESSED HOLE

For mounting the main unit on a wall

O. LOW BATTERY INDICATOR

- Appears on the 1st Line indicates the battery power of the

remote sensor in display is low

- Appears on the 3rd Line indicates the battery power of the

main unit is low

MAIN FEATURES: REMOTE UNIT

A. LCD DISPLAY

Displays the current temperature monitored by the remote unit

B. LED INDICATOR

Flashes when the remote unit transmits a reading

C. °C/°F SLIDE SWITCH

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

D. CHANNEL SLIDE SWITCH

Designates the remote unit Channel 1, Channel 2 or

Channel 3

E. RESET BUTTON

Returns all settings to default values

F. BATTERY COMPARTMENT

Accommodates two UM-4 or AAA-size batteries

G. WALL-MOUNT HOLDER

Supports the remote unit in wall-mounting

H. REMOVABLE TABLE STAND

For standing the remote unit on a flat surface

I. LOW BATTERY INDICATOR

Lights up when the battery power is low

HINTS FOR BEST OPERATION

• Assign different channels to different remote units.

• Insert batteries for remote units before doing so for the main

unit.

• Set the main unit and the remote thermo-sensor unit within an

effective range of 100 meters.

• The effective range is vastly affected by the building materials

and how the units are positioned. Try different set-ups for best

results.

• Thoughtheremoteunitsareweatherproof, theyshould be placed

away from direct sunlight, rain or snow.

BATTERY AND CHANNEL

INSTALLATION: REMOTE UNIT

1. Remove the screws on the battery compartment.

2. Select the channel number on the CHANNEL slide switch.

3. Select the temperature display unit on the °C/°Fslide switch.

4. Insert two UM-4 “AAA” sized batteries.

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

Replace the batteries when the low-battery indicator of the par-

ticular channel lights up on the main unit.

Note that once a channel is assigned to a unit, you can only change

it by removing the batteries and repeating the above procedure.

BATTERY INSTALLATION: MAIN UNIT

1. Slide open the battey compartment door.

2. Insert two UM-3 AA-sized batteries.

3. Replace the battery compartment door.

4. Flip open the table stand and press the [RESET] button with a

bluntstylus. It ensureseasier synchronization betweenthe trans-

mission and reception of signals.

Replace the batteries when the indicator []of the indoor tem-

perature lights up.

GETTING STARTED

Once batteries are in place for the remote units, they will start trans-

mitting samplings roughly at 30-second intervals.

The main unit will also start receiving once batteries are installed.

The temperature of the selected channel will be displayed on the

top line and the indoor temperature on the bottom line. The main

unit will automatically update its readings at 30-second intervals.

The temperature variance for the last 12 hours is automatically

scanned on the trend chart.

If no signals are received, blanks will be displayed. Press

[CHANNEL]and [MEMORY] simultaneously to enforce another

search. This is useful in synchronizing the transmission and recep-

tion of the remote and main units.

Repeatthisstep whenever you finddiscrepancies between the read-

ing shown on the main unit and that on the respective remote unit.

HOW TO CHECK REMOTE AND

INDOOR TEMPERATURES

The indoor temperature is shown on the bottom line of the display.

Temperature readings, receivedfrom aremotesensor,are displayed

on the top line of the unit.

Press [CHANNEL] to change from one channel to the next.

If more than one remote sensor is being used, the unit can auto-

matically scan all three of the outdoor channels.

To use the automatic outdoor channel scanner function:

Press and hold [CHANNEL] for about 2 seconds. The unit will

begin a cycle of continuously rotating through the three channels.

Temperature readings from each site will be displayed for approxi-

mately 5 seconds.

To stop the automatic scanning function,press[CHANNEL]again.

The scanning cycles will stop.

The kinetic wave display on the channel icon indicates the status

of reception.

If no readings are received from one particular channel for more

than two minutes, blanks will be displayed until further readings

are successfully searched. Check the remote unit is sound and

secure. You can wait for a little while or press [CHANNEL] and

[MEMORY] simultaneously to enforce an immediate search. Of

course no reading will be shown if no remote unit is assigned to

that channel.

The JTR-168LR 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 "HHH" or "LLL".

MAXIMUM AND MINIMUM

TEMPERATURES

The maximum and minimum recorded indoor temperatures and

those of each channel will be automatically stored in memory. To

display them,

1. Press [CHANNEL] to locate the desired channel.

2. Press [MEMORY] to rotate through the maximum [MAX],

minimum [MIN] and current temperatures. The readings of the

indoor temperatures will also be displayed.

To clear the memory of a particular channel

1. Press [CHANNEL] to locate the desired channel.

2. Press [CLEAR], the MAX and MIN memory for that channel

will be erased. Note it will also erase the memory for the indoor

temperatures. If you press [MEMORY]now, the maximum and

minimum temperatures will have the same values as the current

ones until different readings are recorded.

DISCONNECTED SIGNALS

If without obvious reasons the display for a particular channel goes

blank, press [CHANNEL] and [MEMORY] to enforce an imme-

diate search. If that fails, check if the remote unit of that channel is

still in place. Make sure the transmission is within range and path

is clear of obstacles and interference.

The unit is in searching mode.

Temperature readings are

securely registered.

No signals.

HOW TO READ THE TEMPERATURE

TREND CHART

The temperature variance for CHANNEL 1 for the past 12 hours

is automatically scanned on the screen in six equal columns.

The variance is represented in rows of degrees C above or below

the current temperature at 0 Hr (current time) and 0°C (no vari-

ance).

HOW TO USE THE ICE WARNING

The ice warning is selected on the ICE WARNING slide switch

on the main unit. The warning only applies to CHANNEL 1.

To activate the warning, slide the switch to ON. When the tem-

perature recorded at CHANNEL 1 falls to between -2°C (28.4°F)

to +3°C (37.4°F) a beeping alarm will sound; the ice warning icon

[ ] and current outdoor temperature will flash. The alarm will

sound every minute so long as the recorded temperature is within

alarm range. To stop the alarm, press any key or change the chan-

nel. Display features will continue to flash as a reminder that the

temperature remains within the ice warning range.

To deactivate the ice warning function, slide the ICE WARNING

switch to OFF.

NOTE ON °C AND °F

Theunit of temperature displayis selected onthe°C/°Fslide switch.

Select °C for Centigrade or °F for Fahrenheit.

Note that the remote temperature display on the main unit is domi-

nated by the selection on the °C/°F slide switch of the main unit.

Whatever the display units of the remote sensors are, they will be

automatically converted to the chosen one of the main unit.

LOW BATTERY WARNING

When it is time to replace batteries, the respective [ ] indicator

will show up when the corresponding channel is selected. The

battery level of the main unit will be shown on the indoor tempera-

ture when it is running low.

HOW TO USE THE TABLE STAND OR

WALL MOUNTING

Flip open the table stand to place the main unit on a flat surface. Or

you can flip close the stand and mount the unit on a wall using the

recessed hole.

As for the remote unit, it comes with a wall-mount holder and a

removable stand. Use either to hold the unit in place.

Main Unit

Remote Unit

THE RESET BUTTON

The RESET button is used to enhance synchronization of signals

after battery replacement or when the unit is operating in an

unfavorable way or malfunctioning. Use a bluntstylus to hold down

the button. All settings will return to their default values.

MAINTENANCE

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

of satisfactory service. Here are a few product care instructions:

1. Do not immerse the unit in water. If the unit comes in contact

with water, 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.

Table Stand Wall Mount

SPECIFICATIONS

Temperature Measurement

Main Unit

Indoor Temperature measurement

Proposed operating range : -5.0°C to +50.0°C

(23.0°F to 122.0°F)

Temperature resolution : 0.1°C (0.2°F)

Diagram temperature scale : ≤-7°C to ≥7°C

Ice Warning function : -2°C to +3°C

(Channel-1 Remote Sensor) (28.4°F to 37.4°F)

Remote Sensor Unit

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)

RF Transmission Frequency : 433 MHz

No. of Remote unit : Maximum of 3

RF Transmission Range : 100 meters

Temperature sensing cycle : 30 seconds

User selectable °C and °F

Power

Main unit : use 2 pcs UM-3 or”AA” 1.5V

alkaline battery

Remote unit : use 2 pcs UM-4 or “AAA” 1.5V

alkaline battery

Weight

Main unit : 200 g (without battery)

Remote sensing unit : 87 g (without battery)

Dimension

Main unit : 153 (L) x 117 (W) x 23.5 (D) mm

Remote sensing unit : 152 (L) x 48 (W) x 23 (D) mm

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:

CAUTION

- The content of this manual is subject to change without

further notice.

- Dueto printing limitation, thedisplays shownin thismanual

may differ from the actual display.

- The contents of this manual may not be reproduced without

the permission of the manufacturer.

■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 needed.

■Consult the dealer of an experienced radio/TV technician for

help.

R&TTE Compliance Note

This device complies with the essential requirements of Article 3

of the R&TTE 1999/5/EC Directive, if used for its intended use

and that the following standard(s) has been applied:

Electromagnetic compatibility (Article 3.1.b of the R&TTE

Directive)

Applied standards ETS 300 683 : 1997

Efficient use of the radio frequency spectrum (Article 3.2 of the

R&TTE Directive)

Applied standards EN300 220 –1 : 1997

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