| WT-3131A   Radio-controlled Analog Clock   With Weather Forecast   Instruction Manual   TABLE OF CONTENTS   Topic   Page   Inventory of Contents/Additional Equipment   About WWVB   2 2 Detailed Set-Up Guide   Battery Installation   Function Keys   Time Zone Setting   Daylight Saving Time Setting   Features   2 3 3 3 Weather Forecast Icons   Indoor Temperature and Humidity   Mounting   4 5 5 Troubleshooting   5 Maintenance & Care   Specifications   5 6 Warranty Information   7-8   Download from Www.Somanuals.com. All Manuals Search And Download.   2. Function Keys   There are six buttons on the back of the clock.   a. The time zone buttons are labeled “PT”, “MT”, “CT” and “ET”. These   buttons are directly above the AA battery slot for the clock.   b. In between the “CT” and “ET” buttons is the DST (Daylight Saving   Time) over ride button. Pressing this button will disable/enable the DST   recognition of the clock   c. There is a black manual time set button located directly above the AA   battery slot for the clock. By holding this button down you are able to   manually set the time on your clock.   d. The last button is the “SET ºC/ºF” button, which is located below the   AAA battery compartment. Press and release this button to switch   between ºC and ºF.   3. Time Zone Setting   Press and release one of the four time zone buttons on the back of the clock to   select your desired time zone. The clock will automatically adjust to the correct   time for that zone.   4. Daylight Saving Time (DST) Setting   Press and release the daylight saving time button to deactivate or reactivate the   daylight saving time recognition feature of the clock.   Note: Some locations (Arizona and parts of Indiana) do not follow Daylight   Saving Time.   There is no indication of the mode the daylight saving time feature is in the   factory setting is ON.   FEATURES   1. Weather Forecast   The weather forecasting feature is estimated to be 75% accurate. The weather   forecast is based solely upon the change of air pressure over time. The WT-3131A   averages past air-pressure readings to provide an accurate forecast, creating a   necessity to disregard all weather forecasting for 12-24 hours after the unit has   been set-up, reset, or moved from one altitude to another (i.e. from one floor of a   building to another floor). In areas where the weather is not affected by the   change of air pressure, this feature will be less accurate.   a. Weather Icons   3 Download from Www.Somanuals.com. All Manuals Search And Download.   There are 3 possible weather icons that will be displayed in the   FORECAST LCD:   Sunny—indicates that the weather is expected to improve (not that the   weather will be sunny).   Sun with Clouds—indicates that the weather is expected to be fair (not that   the weather will be sunny with clouds).   Clouds with Rain—indicates that the weather is expected to get worse (not   that the weather will be rainy).   The weather icons change when the unit detects a change in air pressure.   The icons change in order, from “sunny” to “partly sunny” to “cloudy” or   the reverse. It will not change from “sunny” directly to “rainy”, although it   is possible for the change to occur quickly. If the symbols do not change   then the weather has not changed, or the change has been slow and   gradual.   a. Weather Tendency Arrows   1. Other possible displays in the FORECAST LCD are 2 weather   tendency arrows, one that points up (on the left side of the LCD)   and one that points down (on the right side of the LCD). These   arrows reflect current changes in the air pressure.   2. An arrow pointing up indicates that the air pressure is increasing   and the weather is expected to improve or remain good.   3. An arrow pointing down indicates that the air pressure is   decreasing and the weather is expected to become worse or   remain poor.   4. No arrow means the pressure is stable.   2. Indoor Temperature and Humidity   The current indoor temperature (viewed on the left) and relative humidity (viewed   on the right) are displayed in the INDOOR LCD. These measurements are taken   within the clock.   MOUNTING   1. Fix a screw (not included) into the desired wall, leaving approximately 3/16 of an   inch (5mm) extended from the wall.   2. Place the indoor weather station onto the screw using the hanging hole on the   backside.   3. Gently pull the indoor weather station down to lock the screw into place.   4 Download from Www.Somanuals.com. All Manuals Search And Download.   TROUBLESHOOTING   If your clock does not receive a signal please check the following:   Battery - The clock must have a fresh battery to receive and process the time signal.   When the battery drops below 1.25 volts the clock indicates that it is time to   change the battery by advancing the second hand in two-second steps. The   operating voltage range is 1.25 to 1.75 volts.   Location - Try a different location, ideally near a window. It should be at least six feet   from computers, TVs, air conditioners, other radio-controlled clocks and other electrical   appliances that cause interference.   Weather - Electrical storms between you and Colorado during the night will interfere   with the WWVB signal.   MAINTENANCE AND CARE INSTRUCTIONS   • 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 the clock in water.   • Immediately remove all low powered batteries to avoid leakage and damage.   • Opening the casing invalidates the warranty. Do not try to repair the unit.   Contact La Crosse Technology for repairs.   5 Download from Www.Somanuals.com. All Manuals Search And Download.   SPECIFICATIONS   Temperature measuring range:   Indoor   32°F to 122°F with 0.2°F   resolution (0°C to 50°C   with 0.1°C resolution)   “OFL” displayed if   outside this range   Relative humidity   measuring range   19% to 95% with 1%   resolution. (“- -”   displayed if outside this   range   Indoor temperature   checking interval   Every 10 seconds   Indoor humidity checking Every 1 minute   interval   Power Supply:   Analog clock   Weather LCD   Battery life cycle   Recommended battery   type   2 x AA, 1.5V   2 x AAA, 1.5V   Approximately 12 months   Alkaline   Dimensions   Analog clock   13 inch diameter   (330 mm)   1.75 inch depth   (44 mm)   6 Download from Www.Somanuals.com. All Manuals Search And Download.   WARRANTY INFORMATION   La Crosse Technology provides a 1-year warranty on this indoor weather station.   Contact La Crosse Technology immediately upon discovery of any defects covered by   this warranty. Before sending the indoor weather station in for repairs, contact La Crosse   Technology. The indoor weather station will be repaired or replaced with the same or   similar a similar model.   This warranty does not cover any defects resulting from improper use, unauthorized   repairs, faulty batteries, or the indoor weather station’s inability to receive a signal due to   any source of interference.   LA CROSSE TECHNOLOGY WILL NOT ASSUME LIABILITY FOR INCIDENTAL,   CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES ASSOCIATED   WITH THE OPERATION OR MALFUNCTION OF THIS INDOOR WEATHER   STATION. THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR   FOR PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF   CHILDRENS’ REACH.   This warranty gives you specific legal rights. You may also have other rights specific to   your State. Some States do no allow the exclusion of consequential or incidental   damages therefore the above exclusion of limitation may not apply to you.   For warranty work, technical support, or information contact:   La Crosse Technology   2809 Losey Blvd. S.   La Crosse, WI 54601   Phone: 608.782.1610   Fax: 608.796.1020   e-mail:   (warranty work)   (information on other products)   web:   FCC ID: OMO-01RX   THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION   IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:   1. THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND   2. THIS DEVICE MUST ACCEPT INTERFERENCE RECEIVED, INCLUDING   INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.   7 Download from Www.Somanuals.com. 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