La Crosse Technology Clock WT 3131A User Manual

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  
 
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
 
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
 
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
 
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
 
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
 

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