La Crosse Technology Tomorrow's Weather Today WS-7394U-IT Bedienungsanleitung

WS-7394U-IT

Wireless 915 MHz

Wireless Weather Station

Instruction Manual

TABLE OF CONTENTS

Topic Page

Inventory of Contents/ Additional Equipment 3

About WWVB 3

Quick Set Up Guide 4

Detailed Set Up Guide

Battery Installation 5

Start Up Sequence 6

Explanation of LCD Information 7

Function Key Layout 8

Program Mode

Overview of Programming Sequence 8

LCD Contrast Setting 8

Time Zone Setting 9

DST ON/OFF Setting 9

Radio-controlled Time ON/OFF Setting 9-10

12/24-hour Time Mode Setting 10

Setting the Time/Date Manually 10-11

Temperature Measuring Units (ºF/ºC) 12

Air Pressure Measuring Units (inHg/hPa) 12

Relative Pressure Setting 12

Forecast Sensitivity Setting 13

Features and Operation

Minimum/Maximum Temperature/Humidity 14

Multiple Remote Temperature/Humidity Sensors 15-16

Comfort Icon 16

Weather Forecast and Pressure Trend Indicators 16

Weather Icons 16-17

Weather Tendency Arrows 17

Barometric Air Pressure Reading 17

Air Pressure History Bar Chart 17-18

Mounting 19-20

Maintenance and Care 20

Troubleshooting Guide 21

Specifications 22

Warranty Information 23-24

INVENTORY OF CONTENTS

1. WS-7394U-IT— Wireless Weather Station (Figure 1)

2. TX29U-IT—remote temperature sensor (figure 2)

3. Instruction manual and warranty card

ADDITIONAL EQUIPMENT (not included)

1. Five fresh AA 1.5V alkaline batteries.

2. One wall-mounting screw (optional)

ABOUT WWVB (radio-controlled time)

The NIST (National Institute of Standards and Technology—Time and

Frequency Division) radio station, WWVB, is located in Ft. Collins, Colorado

and transmits the exact time signal continuously throughout the United States at

60 kHz. The signal can be received up to 2,000 miles away through the internal

INSTANT TRANSMISSION is the state-

of-the-art new wireless transmission

technology, exclusively designed and

developed by LA CROSSE

TECHNOLOGY. INSTANT

TRANSMISSION offers you an

immediate update (every 4 seconds!) of

all your outdoor data measured from

the sensors: follow your climatic

variations in real-time!

This product offers:

Figure 1

Figure 2

Mounting

Bracket TX29U-IT remote

temperature sensor

antenna in the Wireless Weather Station. However, due to the nature of the

Earth’s Ionosphere, reception is very limited during daylight hours. The

Wireless Weather Station will search for a signal every night when reception is

best. The WWVB radio station derives its signal from the NIST Atomic clock

in Boulder, Colorado. A team of atomic physicists continually measure every

second of every day to an accuracy of ten billionths of a second a day. These

physicists have created an international standard, measuring a second as

9,192,631,770 vibrations of a Cesium 133 atom in a vacuum. For more

information about WWVB please see the NIST website at

http://www.boulder.nist.gov/timefreq/stations/wwvb.htm

QUICK SET-UP GUIDE

Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.

1. Have the

Wireless Weather Station

and remote temperature sensor 3 to 5

feet apart.

2. Batteries should be out of both units for 10 minutes.

3. Place the batteries into the remote temperature sensor first then

Wireless

Weather Station

(All remote temperature sensors must be started before the

Wireless Weather

Station

)

4. DO NOT PRESS ANY BUTTONS FOR 15 MINUTES.

In this time the

Wireless Weather Station

and remote temperature sensor will start to

talk to each other and the display will show both the indoor temperature and humidity, and

an outdoor temperature. If the

Wireless Weather Station

does not display both

temperatures after the 15 minutes please retry the set up as stated above. After both

indoor and outdoor temperatures are displayed for 15 minutes you can place your remote

temperature sensor outdoor and set your time.

The remote temperature sensor should be placed in a dry, shaded area. The temperature

sensor has a range of 330 feet. Keep in mind that the 330 feet is in open air with no

obstructions and that radio waves DO NOT curve around objects. Actual transmission

range will vary depending on what is in the path of the signal. Each obstruction (roof, walls,

floors, ceilings, thick trees, etc.) will effectively cut signal range in half.

Example: A

Wireless Weather Station

with a 330 feet range is mounted on an interior

wall, so that the signal has to pass through one interior wall, one exterior wall, and across

the 10 feet width of the room between the 2 walls. The first wall will reduce the range to

165 feet, and the second wall will reduce the range to 87 feet. Factoring in the 10 foot

room, this leaves a maximum of 77 feet of remaining signal range.

This allowance is typically enough for a frame wall with non-metallic siding; however certain

materials can reduce range even further. Metal siding, stucco, and some types of glass

can reduce signal range by as much as ¾ or more, compared to the ½ reduction typical of

most obstructions. It is possible to receive a signal through these materials, however

maximum range will be much less due to their tendency to absorb or reflect a much larger

portion of the sensor’s signal.

DETAILED SET-UP GUIDE

I. BATTERY INSTALLATION (When one temperature sensor is being used)

1. First, insert the batteries to the temperature sensor (see “A. Remote

Temperature Sensor” below).

2. Within 2 minutes of powering up the sensor, insert the batteries to the Weather

Station (see “B. Wireless Weather Station” below). Once the batteries are in

place, all segments of the LCD will light up briefly. Following the indoor

temperature and humidity, and the time as 12:00 will be displayed. If they are not

shown in LCD after 60 seconds, remove the batteries and wait for at least 60

seconds before reinserting them. Once the indoor data is displayed user may

proceed to the next step.

3. After the batteries are inserted, the Weather Station will start receiving data

signal from the sensor. The outdoor temperature should then be displayed on the

Weather Station. If this does not happen after 2 minutes, the batteries will need

to be removed from both units and reset from step 1 and the signal reception

icon is no longer shown.

A. Remote Temperature Sensor

1. Remove the mounting bracket. The bracket snaps

on and off easily.

2. Remove the battery cover, by sliding the cover

down.

3. Observing the correct polarity install 2 AA

batteries. The batteries will fit tightly (to avoid

start-up problems make sure they do not spring

free).

4. Replace the battery cover by sliding upwards. Be sure battery

cover is on securely.

B. Wireless Weather Station

1. Remove the battery cover (the cover has white writing on it).

2. Observe the correct polarity, and install two Alkaline AA batteries.

3. Do not press any buttons for at least ten minutes. If a button is

pressed before the indoor weather station has received information

from the TX29U-IT sensor, no data will be received from that

sensor until reset.

4. Replace the battery cover.

Battery

Cover

*When the signal is successfully received by the Weather Station, the icon will

be switched on. (If not successful, the icon will not be shown in LCD) So the user

can easily see whether the last reception was successful (icon on) or not (icon

off). On the other hand, the short blinking of the icon shows that a reception is

being done now.

•If the signal reception is not successful on the first frequency (915MHz) for 45

seconds, the frequency is changed to 920MHz and the learning is tried another

45 seconds. If still not successful the reception is tried for 45 seconds on

910MHz. This will also be done for re-synchronization.

II. Start Up Sequence

A. Initial Start

1. Immediately after the batteries have been installed the LCD will

completely light up for a brief moment.

2. All information will then appear in normal mode, with “12:00” as

the default time and “SA.1” as the default date (2006 as the year).

3. The indoor temperature and humidity, and barometric air pressure

(as 29.92 inHg relative RH) will also be displayed.

4. There is a “satellite” icon that appears in the bottom portion of the

LCD, to the left of the outdoor temperature— this icon informs the

user that the indoor weather station is looking for signals from the

remote temperature sensor. Within five minutes the remote

temperature should be displayed—if not, remove batteries from all

units and repeat battery installation, the remote temperature sensor

first, then the indoor weather station.

B. WWVB Reception

1. Once the batteries are installed in the Wireless Weather Station it

will automatically search for the WWVB signal. If it receives a

good signal (which is unlikely during daylight hours in most

locations), the WWVB reception indicator (looks like a tower icon)

will flash. The Wireless Weather Station requires five full

minutes of good reception to successfully capture the signal and set

to the correct hour, minute, second, month, day and year. If the

signal reception is not successful within ten minutes, the signal

search will be cancelled. Next reception will take place the next

day.

2. The signal is sent from Ft. Collins, Colorado only and is similar to

an AM radio signal. Atmospheric interferences such as storms,

sunspots, and even sunlight will cause the signal to not travel as

far.

3. To maximize reception, place the Wireless Weather Station n in

a window facing Colorado, at least six feet from any electrical

source (computers, televisions, refrigerators, etc.). Do not move

the indoor weather station while it is searching for the signal.

Sensor signal

reception icon*

4. The time and date can be manually set. Once the signal is captured,

it will override any time and date set to the time zone selected.

5. Once the time and date are set, the Wireless Weather Station will

conduct a search every night at midnight and correct to the

accurate time and date (Daylight Saving Time is automatic). If the

signal has been received in the past 24 hours, the reception

indicator will be displayed. After a successful reception, no more

reception attempt would be made until the following day.

III. Explanation of LCD Information

A. The below picture highlights the LCD features.

Radio-controlled time

WWVB Reception

Indicator

Date Display

Comfort Icon

Indoor Temperature

Humidity Display

Air Pressure Trend

Indicator

Forecast Icon

Barometric Air

Pressure

12-hour Air

Pressure History

Outdoor Temperature

Display Remote Sensor

Number (Up to

3 Total

)

Satellite icon (indicates

outdoor transmission)

B. There are many different modes the indoor weather station can be set

to. The LCD shown is the normal operating mode, and your actual data

shown will be different based on your local settings and conditions.

IV. Function Key Layout

A. The below picture shows the four function keys used in programming

and operation of your indoor weather station

V. Program Mode

The program mode is laid out in a manner that allows you to program each

function separately, or you can follow the instructions entirely to program the

Wireless Weather Station. Complete programming is usually done for the

initial set-up, and will require you to skip step 1,2 and 3 of each programming

section. The programming mode can be exited at any time by either pressing the

“CH” button, or waiting for the 15-second time-out to take effect.

A. Overview of programming mode sequence

1. LCD Contrast 2. Time Zone 3. DST ON/OFF

4. Radio-controlled

Time ON/OFF 5. 12/24-hour

time mode 6. Hour

7. Minute 8. Year 9. Month

10. Date 11. °F/°C 12. inHg/hPa

13. Relative pressure

setting 14. Forecast

sensitivity

B. LCD Contrast Setting

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next

to it.

3. Press and release the “OUT/+”

button to select the desired LCD

contrast setting.

4. Press and release the “SET” button to confirm the LCD contrast

setting and continue to the Time Zone setting.

C. Time Zone Setting

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next to

it.

3. Press and release the “SET” button

once more to advance to the Time Zone

setting.

4. A number will flash to the left of the letter “h” at the top of the

display just below the time display.

5. Press and release the “OUT+” button to select the desired time

zone.

6. Press and release the “SET” button to confirm the Time Zone

setting and continue to the DST ON/OFF setting.

D. DST ON/OFF Setting

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next to

it.

3. Press and release the “SET” button

twice more to advance to the DST

ON/OFF setting.

4. “DST” will appear above the indoor temperature/humidity display

and “ON” or “OFF” will flash above that.

5. Press and release the “OUT/+” button to select DST ON/OFF.

Note: Some locations (Arizona and parts of Indiana) do not follow Daylight

Saving Time.

6. Press and release the “SET” button to confirm the DST ON/OFF

setting and continue to the radio-controlled Time ON/OFF setting.

E. Radio-Controlled Time ON/OFF Setting

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next to

it.

3. Press and release the “SET” button

three more times to advance to the

radio-controlled time ON/OFF setting.

4. “RCC” will appear above the indoor temperature/humidity display

and “ON” or “OFF” will flash above that.

5. Press and release the “OUT/+” button to select radio-controlled

time ON/OFF setting.

6. Press and release the “SET” button to confirm the radio-controlled

time ON/OFF setting and continue to the 12/24-hour Time Mode

setting.

F. 12/24-hour Time Mode

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next to

it.

3. Press and release the “SET” button four

more times to advance to the 12/24-

hour time mode setting.

4. “12h” or “24h” will flash above the indoor temperature/humidity

display.

5. Press and release the “OUT/+” button to select 12 or 24-hour time

mode.

Note: In 12h mode “PM” will appear to the left of the time during PM hours.

If the time is not within the PM hours nothing will be displayed. Be sure to set

the time to the correct AM/PM time to ensure automatic reception.

6. Press and release the “SET” button to confirm the 12/24-hour time

mode setting and continue to the Hour setting.

G. Setting The Hour Manually

The WWVB signal will override any manual set time and date information. The

time will be based on the time zone selected.

1. Press and hold the “SET” button for

five seconds.

2. “lcd” will appear at the top of the

display and a number will flash next to

it.

3. Press and release the “SET” button five

more times to advance to the Manual

Hour setting.

4. The hour will begin to flash at the top of the display.

5. Press and release the “OUT/+” button to select the desired hour.

6. Press and release the “SET” button to confirm the hour setting and

continue to the Minute setting.

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