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• Reposition the atomic clock with the front or back facing Colorado.
• Try a different location, ideally near a window. The clock should be at least six feet
from computers, TVs, air conditioners, other atomic clocks and other electrical
appliances that cause interference.
• Large buildings, metal roofed buildings and buildings or rooms full of electrical and/or
radio equipment make it difficult to receive the WWVB time signal.
CLOCK IS INCORRECT BY HOURS BUT MINUTES ARE CORRECT
• This is a Time Zone issue. Hold your Time Zone button for 5 seconds. The clock
should correct itself.
• Check that DST is on. Press and release the small, unmarked gray button between the
ET and CT button one time.
DAYLIGHT SAVING TIME
• Dependent on your location, position of the clock in your home, and atmospheric
interference, it may take up to 5 nights for the change from Daylight Savings Time to
Standard Time and vice-versa to occur.
• Press the DST indicator once. If the indicator is OFF the clock will not change. (Default
is ON).
• Check for fresh batteries. Without proper batteries, the antenna will have a harder
time picking up the signal.
• Position the atomic clock in a window (with the front or back) facing Ft. Collins,
Colorado and leave for up to five nights. If you do not have a window facing this
direction, position the clock near an outside wall and point the unit in this general
direction.
MANUALLY SET TIME
• Remove battery for 15 minutes and press the Manual Set Tab 20 times.
• After 15 minutes, insert the battery and allow the clock to spin to 12:00, 4:00 or 8:00.
• Hold the Manual Set Tab and the hand will spin. Continue holding to reach the correct
time.
Note: You can only set the clock manually for about 2 minutes after inserting the
battery. If the clock receives the WWVB time signal, this signal will override manually
set time.
HOW LONG WILL THE BATTERY LAST?
• A good AA Alkaline battery will last over 12 months.
CAN I SHUT OFF THE WWVB SIGNAL?
• No. If you manually set the time, when the clock receives a WWVB signal, that signal
will override the manual set.
La Crosse Technology, Ltd
Page 3
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