La Crosse Technology WS-7391UD Manual de usuario

WS-7391U

Wireless 433 MHz

Radio-controlled Weather Station

Instruction Manual

TABLE OF CONTENTS

Topic Page

Inventory of Contents/Additional Equipment 3

About WWVB 4

Quick Set-Up Guide 5-6

Detailed Set-Up Guide

Battery Installation 7-8

Program Mode

Time and Date 8-9

Function Keys 9

12/24 hour Time Setting 9

Time Setting 10

Time Zone Setting 10-11

Daylight Saving Time (DST) Setting 11-12

Setting Day, Date, and Year 12-13

Selecting °F or °C 13

Setting the LCD Contrast 13

Features

Weather Forecast Icons 14-15

Indoor Temperature, Humidity, & Comfort

Level Indicator

Outdoor Temperature & Humidity 16

Minimum & Maximum Records (Indoor,

Outdoor, & Resetting)

Additional Remote Thermo/hygro Sensors (Set-Up,

Viewing, & Operation)

17-18

Mounting 19-21

Troubleshooting 22

Maintenance & Care 23

Specifications 24

Warranty Information 25-26

INVENTORY OF CONTENTS

1. The indoor weather station

2. Remote temperature sensor (model TX4U)

3. Instruction manual and warranty card

ADDITIONAL EQUIPMENT (not included)

1. Four fresh AA 1.5V batteries.

2. Phillips screwdriver (for mounting)

ABOUT WWVB

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

Weather Station. However, due to the nature of the Earth’s

Ionosphere, reception is very limited during daylight hours. The

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 80 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 80 ft. in a straight line.

NOTE: Fog and mist will not harm your remote thermo/hygro

sensor but direct rain must be avoided.

To complete the set up of your indoor weather station

after the 10 minutes have passed please follow the

steps in the Detailed Set Up Guide

Note: The remote thermo/hygro sensor transmits a signal every 3

minutes; after the batteries have been installed, the indoor weather

station will search for the signal for a duration of 5 minutes. If

there is no temperature reading in the OUTDOOR LCD after 5

minutes, make sure the units are within range of each other, or

repeat the battery installation procedure.

DETAILED SET-UP GUIDE

BATTERY INSTALLATION

A. Remote Thermo/hygro Sensor

1. Pull the cylindrical rain cover off the remote

thermo/hygro sensor.

2. Remove the battery cover (located on the backside of

the remote thermo/hygro sensor, above the mounting

post and bracket).

3. Press the arrow and slide the battery cover off.

4. Observing the correct polarity install 2 AA batteries.

5. Replace battery cover, and place rain cover snugly

onto the remote thermo/hygro sensor.

B. Indoor Weather Station

1. Remove the battery cover. To do this, insert a solid

object in the space provided at the lower-central

position of the battery cover, then push up and pull

out on the battery cover.

Battery

Cover

2. Observe the correct polarity, and install 2 AA

batteries.

3. Replace the battery cover.

Note: Immediately after the batteries have been installed, each

LCD (Liquid Crystal Display) will flash, and a tone will sound.

Within a few seconds the indoor temperature, indoor relative

humidity, and the weather icons (sun and clouds) will be displayed.

If these items are not displayed remove the batteries for 10 seconds

and reinstall. If the outdoor temperature is not displayed within

four minutes, remove the batteries from both units, wait 10

seconds, and reinstall. The time will show -:-- and start searching

for the signal. If it successfully receives the time signal (reception

is achieved easiest at night), it will display the correct time

(factory setting is Eastern time zone).

PROGRAM MODE

Programming Note: If 20 seconds is allowed to pass during

programming modes, the unit will confirm/set the last information

entered—the display will stop flashing and return to normal time-

date readings

TIME AND DATE

There are two methods by which the time and date can be set:

1) Automatically via WWVB reception (only need to set the

time zone in section III).

This method requires you to do nothing but wait for the signal to

be received, and to select a time zone (default is Eastern Time

Zone). Reception usually takes approximately 6-8 minutes during

optimal conditions. The best conditions for reception is at night,

between midnight and 6:00 am, when there is less atmospheric

interference. To keep your time as accurate as possible, the indoor

weather station conducts a WWVB search every night between

these hours, and overrides any time that has been set manually.

The WWVB tower icon (appearing in the TIME LCD) will flash

when a search is in progress, will remain steady when the signal

has been received, and nothing will be displayed in all other

situations. If the WWVB time has not been received after 10

minutes of battery installation, you may manually set the time or

leave the time function alone (reception will occur regardless).

2) Manually (performed throughout the programming mode.

When programming, the manual setting of time and date is not

necessary and can be skipped. Any time information programmed

will be over-written by the reception of the WWVB signal.

FUNCTION KEYS

There are four buttons on the WS-7391U, two on the front and two

on the back. The front two buttons are the “CHANNEL” button

(for selecting different remote temperature sensors if added) and

the “RESET” button (for resetting the minimum and maximum

temperatures). The two back buttons are the “SET” button (to

enter the programming mode and confirming selections) and the

“+” button (to select different settings once in the programming

mode).

I. 12/24-Hour Time Format

1. Press and hold the “SET” button (on the back of the

clock) for 2 seconds or until “12h” or “24h” flashes.

2. Press and release the “+” button to select 12-hour or

24-hour (“military”) time format.

3. Press and release the “SET” button to confirm and

advance to the time setting (skip step 1 and 2 in

section II if continuing).

II. Time Setting

Note: This is only necessary if you do not wish to wait for the

WWVB reception. All manual set data will be over-ridden by the

reception of the WWVB signal based on the time zone selected.

1. Press and hold the “SET” button (on the back of the

clock) for 2 seconds or until “12h” or “24h” flashes.

2. Press and release the “SET” button again, the hour

will flash.

3. Press and release the “+” button to advance the hour.

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.

4. Press and release the “SET” button, the digits that

represent the minutes will flash.

5. Press and release the “+” button to advance the

minutes.

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

advance to the time zone setting (skip step 1 and 2 in

section III if continuing).

III. Time Zone Setting

The default (factory set) time zone is EST (Eastern Standard Time)

1. Press and hold the “SET” button for 5 seconds or

until “12h” or “24h” flashes.

2. Press and release the “SET” button three more times,

“EST” will flash (or other time zone if changed

previously).

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