8” Indoor | Outdoor Atomic Wall Clock Model: WT-3181PLx1 & WT-3181Px1 DC: 030617 1|Page
Get Started 1. Remove round battery cover to access clock movement and battery compartment(s). 2. Insert 1 AA battery into the movement at the center of the clock. 3. OPTIONAL: For extended battery life, install two additional batteries, one on either side of the movement. 4. Select your specific time zone by firmly pressing the correct time zone button once. Replace battery cover. 5. The default time zone is Pacific Time.
Manual Set Time On rare occasions, in certain areas, the clock may not be able to receive the radio controlled time signal due to the strength of the signal or the geographic location. In this case, the clock can be set manually and used as a regular quartz wall clock. 3 Battery Compartments Time Set Tab Daylight Saving Time Indicator Time Zone Buttons Note: Allow up to five nights for the clock to receive the WWVB signal before manually setting the time. Set the clock manually: 1.
Temperature and Humidity The La Crosse Technology® Atomic Wall Clock has two analog sensors that measure surrounding temperature and humidity. The temperature information is displayed in degrees Fahrenheit and Celsius, and humidity data is displayed in percentage. Humidity display in % Outer ring displays temperature in degrees Fahrenheit Inner ring displays temperature in degrees Celsius The thermometer and hygrometer have been calibrated at the factory.
Daylight Saving Time The National Institute of Standards and Technology and WWVB encode a special DST “bit” in the WWVB transmission for DST. Your clock will read this information and automatically advance the hands one hour in the spring and eleven hours in the fall. Arizona: If you live in an area that does not recognize DST, you must press the DST button one time only to turn the DST indicator to OFF. Atomic Time Signal For information about WWVB, atomic time signal visit: http://bit.
Care and Maintenance • • • • • • • • Do not mix old and new batteries Do not mix Alkaline, Standard, Lithium or Rechargeable Batteries Always purchase the correct size and grade of battery most suitable for intended use. Replace all batteries of a set at the same time. Clean the battery contacts and also those of the device prior to battery installation. Ensure the batteries are installed with correct polarity (+ and -).
