Model: WT-3129B www.lacrossetechnology.com/support Page | 4Frequently Asked QuestionsQ. How long will the battery last?A. A good AA alkaline battery will last over 24 months.Q: Can I wire a control timing circuit to the La Crosse Technology® atomicclock?A: The clock cannot work on a timing circuit. Opening the clock voids the warranty.Q: Is there a booster antenna to receive the WWVB signal in a difficult location?A: The clock cannot work with a booster antenna. Opening the clock or movementvoids the warranty.Q: Can I shut off the WWVB signal?A: No. If you manually set the time, when the clock receives a WWVB signal, thatsignal will override the manual set. The WAVE button will temporarily stop a WWVBsearch, but will not permanent stop the clock from receiving a WWVB time signal.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 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 batteryinstallation. Ensure the batteries are installed with correct polarity (+and -). Remove batteries from clock which is not to be used for an extended period oftime. Remove expired batteries promptly.Warranty and Support InformationLa Crosse Technology, Ltd. provides a 1-year limited time warranty (from date ofpurchase) on this product relating to manufacturing defects in materials &workmanship.Before returning a product, please contact our friendly customer support withquestions or visit our online help:Phone: 1-608-782-1610Online Product Support: www.lacrossetechnology.com/supportProduct Registration:www.lacrossetechnology.com/support/registerView full warranty details online at:www.lacrossetechnology.com/warranty_info.pdfWarranty Address:La Crosse Technology, Ltd2830 S. 26th St.La Crosse, WI 54601