La Crosse Technology BBB87740 Instruction Manual
La Crosse Technology BBB87740 Instruction Manual

La Crosse Technology BBB87740 Instruction Manual

18” indoor/outdoor atomic wall clock

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Get Started

Step 1: Remove the round battery cover from the back of the clock.
Step 2: Insert 1 fresh AA, LR6 1.5 volt ALKALINE battery according to
the polarity marked on the case. Replace the battery cover.
Step 3: Firmly press the time zone button once.
Step 4: Position the clock on an exterior wall that faces Ft. Collins,
Colorado. During the night, your clock will automatically set itself.
Note: The hands will move to the 12:00, 4:00 or 8:00 position and
search for the radio signal. If the radio signal is received the time
will set. If the signal is not received the clock will stay at the
12:00, 4:00 or 8:00 position and search for the WWVB time signal
on the even hours. Once the radio signal is decoded, the hands
will automatically adjust to the correct time. This may take up to 5
nights.
Step 5: The default time zone is Pacific Time. If the clocks sets itself and
the hours are off, hold the correct time zone button for 5 seconds
to correct.

Position Clock

Indoor: Choose a location 6 feet or more from electronics such as
cordless phones, wireless gaming systems, televisions, microwaves,
routers, baby monitors, etc., which can prevent signal reception.
Position near an exterior wall that faces Ft. Collins, Colorado for
WWVB time signal reception.
Model: BBB87740 www.lacrossetechnology.com/support
18" Indoor/Outdoor Atomic Wall Clock
Model: BBB87740
Instruction Manual
DC: 121114
Round
Battery
Cover
Page | 1

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Summary of Contents for La Crosse Technology BBB87740

  • Page 1 Indoor: Choose a location 6 feet or more from electronics such as cordless phones, wireless gaming systems, televisions, microwaves, routers, baby monitors, etc., which can prevent signal reception.  Position near an exterior wall that faces Ft. Collins, Colorado for WWVB time signal reception. Model: BBB87740 www.lacrossetechnology.com/support Page | 1...
  • Page 2 Note: You can only set the clock manually for about 2 minutes after the battery is inserted. If the clock receives the WWVB time signal, this signal will override manually set time. Model: BBB87740 www.lacrossetechnology.com/support Page | 2...
  • Page 3 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. Outer ring...
  • Page 4 A: No, the clock cannot work with a booster antenna. Opening the clock or movement voids the warranty. ® Q: Can I wire a control timing circuit to the La Crosse Technology atomic clock? A: No, the clock cannot work on a timing circuit. Opening the clock voids the warranty.
  • Page 5 Improper use or unauthorized opening of housing voids warranty.  Warranty and Support Information La Crosse Technology, Ltd. provides a 1-year limited time warranty (from date of purchase) on this product relating to manufacturing defects in materials & workmanship. View full warranty details online at: www.lacrossetechnology.com/warranty_info.pdf...
  • Page 6 This booklet may contain errors or misprints. The information it contains is regularly checked and corrections are included in subsequent editions. We disclaim any responsibility for any technical error or printing error, or their consequences. All trademarks and patents are recognized. Model: BBB87740 www.lacrossetechnology.com/support Page | 6...

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