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La Crosse Technology WS-8025SU User Manual

Page 3

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REMOTE

THERMO-SENSOR

433 MHz

TIME

DATE

WWWB

SUNRISE

MOON PHASE

SUNSET

INDOOR TEMPERATURE

TENDENCY

PRESSURE

rel

inHg

PRESSURE HISTORY

OUTDOOR TEMPERATURE

LO

MIN

HI

MAX

HUMIDITY

LOCATION

MOONSET

MOONRISE +1

PM

PM

MIN

MAX

RH

%

HUMIDITY

RH

%

01

+7

+5

+3

+1

0

-1

-3

-5

-7

-1h

-3h

-6h

-9h

-12h

-18h

-24h

-30h

0

+0.2 +0.5

+1

+2

+4

%

RH

%

RH

2

R A D I O C O N T R O L L E D

IN

OUT

ALARM

SET

SUN/

MOON

CH

+

GB

P.2

GB

P.3

INVENTORY OF CONTENTS

1. WS-8025SU-indoor weather station
2. TX4U-remote thermo/hygro (temperature/humidity) sensor
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
antenna in the indoor weather station. However, due to the nature of the Earth's Ionosphere, reception
is very limited during daylight hours. The indoor 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 indoor weather station and remote thermo/hygro sensor 3 to 5 apart.
2. Batteries should be out of both units for 10 minutes.
3. Place the batteries into the remote thermo/hygro sensor first then into the indoor weather station.

(All remote thermo/hygro sensors must be started before the indoor weather station)

4. DO NOT PRESS ANY BUTTONS FOR 10 MINUTES.

In this time the indoor weather station and remote thermo/hygro sensor will start to talk to each other
and the indoor weather station will show both the indoor temperature and humidity and the outdoor
temperature and humidity. If the indoor weather station does not display all values after the 10
minutes please retry the set up as stated above. After all values are displayed for 10 minutes you can
place your remote thermo/hygro sensor outdoors and set your time.

The remote thermo/hygro sensor should be placed in a dry, shaded area. The remote thermo/hygro
sensor has a range of 200 feet. Any walls that the signal will have to pass through will reduce distance.
An outdoor wall or window will have 20 to 30 feet of resistance and an interior wall will have 10 to 20
feet of resistance. Your distance plus resistance should not exceed 200 ft. in a straight line.

TABLE OF CONTENTS

Topic

Page

Inventory of Contents/ Additional Equipment

3

About WWVB

3

Quick Set Up Guide

3

Detailed Set Up Guide

Battery Installation

4

Start Up Sequence

5

Explanation of LCD Information

6

Function Key Layout

6

Program Mode

6

Time, 12/24 Hour Mode and Date Setting

7

City Location Setting

7

U.S. City Codes

8

Canada City Codes

11

Mexico City Codes

11

Time Zone and Daylight Saving Time (DST) Setting

11

Weather Measuring Units

11

LCD Contrast

12

Features and Operation

Sun Rise/Set and Moon Rise/Set Calculation

12

Moon Phase

13

Minimum/Maximum Temperature/Humidity

14

Multiple Remote Transmitters

14

Remote Temperature Alarm

15

Comfort Indicator

15

Weather Forecast Icon and Pressure Trend

15

Weather Tendency Arrows

16

Storm Warning Alarm

16

Two Hour Air Pressure Tendency Chart

17

Barometric Air Pressure Reading

17

Air Pressure History Bar Chart

17

Mounting

17

Maintenance and Care

19

Troubleshooting Guide

19

Specifications

19

Warranty Information

20