La Crosse Technology WS-7391UD Instruction Manual

Wireless 433 mhz radio-controlled weather station

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WS-7391U
Wireless 433 MHz
Radio-controlled Weather Station
Instruction Manual

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Summary of Contents for La Crosse Technology WS-7391UD

  • Page 1 WS-7391U Wireless 433 MHz Radio-controlled Weather Station Instruction Manual...
  • Page 2: Table Of Contents

    Topic Inventory of Contents/Additional Equipment About WWVB Quick Set-Up Guide Detailed Set-Up Guide Battery Installation Program Mode Time and Date Function Keys 12/24 hour Time Setting Time Setting Time Zone Setting Daylight Saving Time (DST) Setting Setting Day, Date, and Year Selecting °F or °C Setting the LCD Contrast Features...
  • Page 3: Inventory Of Contents/Additional Equipment

    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)
  • Page 4: About Wwvb

    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.
  • Page 5: Quick Set-Up Guide

    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.
  • Page 6: Battery Installation

    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.
  • Page 7: Detailed Set-Up Guide

    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.
  • Page 8: Program Mode

    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.
  • Page 9: Function Keys

    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.
  • Page 10: 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”...
  • Page 11: Daylight Saving Time (Dst) Setting

    desired time zone. The TIME LCD displays the 3 letter abbreviations for the time zones found in North America. Observe the chart below, showing corresponding abbreviations, time zones, and codes. Display Time Zone Atlantic EST; Eastern CST; Central MST; Mountain PST;...
  • Page 12: Setting Day, Date, And Year

    not follow Daylight Saving Time. 5. Press and release the “SET” button to confirm and advance to the Date setting mode (skip step 1and 2 in section V if continuing). V. Setting the Day, Date and Year Note: This is only necessary if you do not wish to wait for the WWVB reception.
  • Page 13: Selecting °F Or °C

    year and to advance to °F and °C selection (skip step 1 and 2 in section VI if continuing). VI. Selecting °F OR °C 1. Press and hold the “SET” button for 2 seconds or until “12h” or “24h” flashes. 2.
  • Page 14: Weather Forecast Icons

    I. Weather Forecast The weather forecasting feature is estimated to be 75% accurate. By adjusting the sensitivity setting, you can achieve a better accuracy of forecast. The weather forecast is based solely upon the change of air pressure over time. In areas where the weather is not affected by the change of air pressure, this feature will be less accurate.
  • Page 15: Indoor Temperature, Humidity, & Comfort

    slow and gradual. If this happens on a regular basis, it may be necessary to adjust the weather forecast sensitivity. 2. Weather Tendency Arrows Other possible displays in the TENDENCY LCD are 2 weather tendency arrows, one that points up and one that points down.
  • Page 16: Outdoor Temperature & Humidity

    The outdoor temperature and humidity is viewed in the OUTDOOR LCD. When there is more than one remote sensor unit in operation a “boxed” number will appear to the right of the temperature. This indicates which remote sensor unit (1, 2, or 3) is currently displaying its data in the OUTDOOR LCD.
  • Page 17: Additional Remote Thermo/Hygro Sensors

    4. In sequential order, install batteries following the same battery installation procedures seen in Detailed Set-Up Guide section of this manual. 5. Install batteries into the indoor weather station. 6. Follow the Detailed Set-Up Guide for programming and operating instructions.
  • Page 18 1. To view the temperature of a different remote sensor press and release the “CHANNEL” button. A shift from one “boxed” number to the next should be observed in the OUTDOOR LCD. 2. The minimum and maximum temperature of the additional remote sensor will be displayed below the current temperature of the remote sensor in the OUTDOOR LCD.
  • Page 19: Mounting

    Note: Before permanently mounting ensure that the indoor weather station is able to receive WWVB signals from the desired location. changes in temperature will decrease the accuracy of the indoor weather station. Changes in elevation will result with inaccurate weather forecasting for the next 12 to 24 hours.
  • Page 20 6. Align the mounting bracket with the started screw holes. 7. Screw mounting bracket onto the mounting surface. The screws should be flush with the bracket. 8. Fit the mounting post (on the back of the remote thermo/hygro sensor) into the receptor of the mounting bracket.
  • Page 21 2. Fix a screw (not included) into the desired wall, leaving approximately 3/16 of an inch (5mm) extended from the wall. 3. Place the indoor weather station onto the screw using the hanging hole on the backside. 4. Gently pull the indoor weather station down to lock the...
  • Page 22: Troubleshooting

    No reception of WWVB time signal Solution: 1) Wait overnight for signal. 2) Be sure indoor weather station is at least 6 feet from any electrical devices, such as televisions, computers, or other radio-controlled clocks. 3) Remove batteries for five minutes, reinsert and leave alone without pressing buttons overnight.
  • Page 23: Maintenance & Care

    • Extreme temperatures, vibration, and shock should be avoided to prevent damage to the units. • Clean displays and units with a soft, damp cloth. Do not use solvents or scouring agents; they may mark the displays and casings. • Do not submerge in water.
  • Page 24: Specifications

    Outdoor temperature and humidity Every 1 minute checking interval (Remote thermo/hygro sensor) Outdoor temperature and humidity Every 3 minutes reception (indoor weather station) Transmission Range 80 feet (in open space) Power Supply Indoor weather station 2 x AA Remote thermo/hygro sensor...
  • Page 25: Warranty Information

    Contact La Crosse Technology immediately upon discovery of any defects covered by this warranty. Before sending the Weather Station in for repairs, contact La Crosse Technology. The Weather Station will be repaired or replaced with the same or similar model.
  • Page 26 For warranty work, technical support, or information contact La Crosse Technology 700 East Main Street Spring Grove, MN 55974 Phone: 507.895.7095 Fax: 507.895.8000 e-mail: support@lacrossetechnology.com (warranty work) sales@lacrossetechnology.com (information on other products) web: www.lacrossetechnology.com All rights reserved. This handbook must not be reproduced in any form, even in excerpts, or duplicated or processed using electronic, mechanical or chemical procedures without written permission of the publisher.

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