La Crosse Technology 617-249 1.8\ Curved Blue Digital Atomic Dual Alarm Clock, 6.60\ L x 1.55\ W x 3.45\ H, Black
- ...ately search for the WWVB Atomic Time Signal for 7 minutes. Hold the ATOMIC button for 3 seconds to stop or start the search. During the atomic time search the buttons will not function. Backlight will dim. USB charge port will not work. Signal Search Indicator: Receiving strong WWVB signal: LED flashing Successful Reception: LED solid Failed Reception: LED disappears The clock will automatically search for the WWVB signal every night at 1:00 am, 2:00 am and 3:00 am..
- If there is still no WWVB reception, the clock will search WWVB time signal again at 4:00 am and 5:00 am alternatively. For best WWVB Atomic Time Signal Reception: Please keep your clock three feet away from electrical outlets and other electronics, to avoid interference.