When the tower icon flashes, but does not set the time or the WWVB tower
does not appear at all, take note of the following:
Recommended distance to any interfering sources like computer
monitors or TV sets is a minimum of 6 feet (2 meters).
Within ferro-concrete rooms (basements, superstructures), the
received signal is naturally weakened. In extreme cases, please place
the unit close to a window and/ or point its front or back towards the
Fort Collins, Colorado, transmitter.
During nighttime, the atmospheric disturbances are usually less
severe and reception is possible in most cases. A single daily
reception is adequate to keep the accuracy deviation below 1 second.
Atomic Digital Clock
515-1316
Note: On rare occasions, the atomic clock is not able to detect the WWVB-
signal (disturbances, transmitting distance, etc.); the time can be manually
set.
Quick Setup Guide
TIME SET: First set the Time Zone.
TIME ZONE: This clock has four Time Zones. E-Eastern time, C- Central
Time, M- Mountain Time, or P-Pacific Time. Hold the 12/24 button for 5
seconds to change a time zone. Release then hold the 12/24 button again
to change the time zone a second time.
HOUR: From normal display hold the MODE/SET button for 5
seconds and the hour will flash. Press and release the PLUS button or
the MINUS button to adjust the hour. Press and release the
MODE/SET button to confirm and continue to the next menu item.
MINUTES: The minutes will flash. Press and release the PLUS button
or the MINUS button to adjust the minutes. Press and release the
MODE/SET button to confirm and continue to the next menu item.
SECONDS: The seconds will flash. Press and release the PLUS
button or the MINUS button to adjust the seconds. Press and release
the MODE/SET button to confirm and continue to the next menu item.
YEAR: The year will flash. Press and release the PLUS button or the
MINUS button to adjust the year. Press and release the MODE/SET
button to confirm and continue to the next menu item.
Congratulations on purchasing this large display clock with radio-controlled
time accuracy! This clock is seen easily, from across the room.
DATE FORMAT: M and D will flash by the date. Press and release
the PLUS button or the MINUS button to select the date displayed in
Month/Day or Day/Month format. Press and release the MODE/SET
button to confirm and continue to the next menu item.
FEATURES:
Large 7 inch Time display.
Large 3 ¼-inch calendar: Month, Date, Day
12/24-hour time selectable
Atomic Time and Date with manual set option
Four Time Zones: Eastern, Central, Mountain, & Pacific
Daylight Saving automatically updates (On/Off option).
Time alarm with snooze
MONTH: The month will flash. Press and release the PLUS button or
the MINUS button to adjust the month. Press and release the
MODE/SET button to confirm and continue to the next menu item.
DATE: The date will flash. Press and release the PLUS button or the
MINUS button to adjust the date. Press and release the MODE/SET
button to confirm and continue to the next menu item.
IMPORTANT:
- Do Not Mix Old and New Batteries
- Do Not Mix Alkaline, Standard, or Rechargeable Batteries
DST: DST (Daylight Saving Time) will flash with ON or OF in the
second display. Press and release the PLUS button or the MINUS
button to turn the DST indicator OF (off) or ON. This indicator is
defaulted to ON and will only need to be turned off is you live in an
area that does not observe DST. Press and release the MODE/SET
button to confirm and exit the program menu.
SETUP:
Lay the clock face down, on a clean soft towel or newspaper to
prevent scratching.
Open the battery cover. Insert a finger in each of the indentations at
the bottom of the battery cover. Push up then pull out to open the
cover.
OTHER SETTINGS: begin from normal time display.
Insert three “C” alkaline batteries according to polarity markings.
Do not press buttons for four minutes to allow the clock to search for a
WWVB signal. The tower icon will flash.
12/24-HOUR TIME: From a normal display press and release the 12/24
button to switch from 12-hour time format to a 24-hour time format.
Note: If only the bottom of the tower icon is showing and the top of
WWVB SEARCH: Hold the tower button for 5 seconds to activate the
WWVB signal search. Press and release the tower button to turn the search
off.
the icon is not there or partially there, reposition the clock for better
signal reception.
When WWVB signal reception occurs, the time and date will set and
the tower icon will show solid above the seconds.
RESET: If the display numbers appear jumbled, use a small object such as
a paperclip and gently press the RESET button one time. The clock will
beep four times then revert to default settings.
WWVB Radio Controlled Time
The NIST radio station, WWVB, is located in Ft. Collins, Colorado and
transmits the exact time signal continuously throughout the United States at
60 kHz. The signal has a range of up to 2,000 miles. However, due to the
nature of the Earth’s Ionosphere, reception is very limited during daylight
hours. The atomic clock will search for a signal every night when reception
is best.
ALARM SET:
Press and release the MODE/SET button once to enter Alarm Mode. “AL”
should appear after the alarm time.
HOUR: From Alarm Mode hold the MODE/SET button for 5 seconds
and the hour will flash. Press and release the PLUS button or the
MINUS button to adjust the hour. Press and release the MODE/SET
button to confirm and continue to the minutes.
The clock receives the time signal via its built-in antenna and adjusts
automatically to the selected time zone. Once the correct time is set,
the clock continues running with an internal quartz-controlled
mechanism.
The internal quartz-mechanism is very accurate; therefore, it does not
matter if the clock is occasionally, unable to receive the time signals.
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