Atomic Alarm Clock
Instruction Manual
Introduction:
Congratulations on purchasing the Atomic Alarm Clock with WWVB Radio controlled time,
calendar, 12/24 hours display, time zone with US map, indoor temperature and two alarms
settings. This innovative product is ideal for home or office use. Please read this instruction
manual to enjoy the full benefits of all the features.
Snooze button
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Battery
compartment
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Function keys
Features:
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WWVB Radio controlled time with manual setting option
12/24 hour time display
Time zone with USA map (Pacific Time(-8h); (Mountain Time (-7h); Central Time (-6h);
Eastern Time(-5h) or GMT
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Automatic or manual ON/OFF daylight saving time
Indoor temperature reading (ºC/ºF user selectable)
2 alarm times (crescendo and normal sounding alarms)
snooze interval setting (from 1 to 59 minutes)
Calendar display (weekday/month/date or month/ date/year)
LCD back-light
Setting up the Atomic Alarm Clock:
The clock uses 1 x AA LR6 battery (Alkaline recommended). To set please follow these easy
steps:
Battery
Battery cover
compartment
1. Slide the battery cover downwards as indicated by the triangle to reveal the battery
compartment
2. Observing the correct polarisation insert the battery.
3. Replace battery cover.
4. After power-up, the alarm will sound once and all LCD segments will light up briefly.
5. The clock will now start receiving the WWVB time signal and the radio tower icon will start
flashing indicating that time reception is being attempted
6. Time reception takes typically about 3-5 minutes with timeout being 10 minutes. If after 10
minutes the WWVB time signal has still not been received, the user should try one of the
following two actions:
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Using the Atomic Alarm Clock:
The clock has five easy to use function keys:
Front view
Top view
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MODE/+ key
Alarm 1/ Hour
key
ALM 2/Min
key
SET key
Snooze key
Using the keys:
“SET” key:
- Used to enter the programming mode
- Used to select and confirm the various setting modes
“MODE/+” key:
- Used in setting mode to change/select of all changeable/selectable
values and displays
- Used to toggle between the calendar/seconds/alarm times and
temperature reading
“ALM1/Hour” key: - Used to enter the alarm setting mode for Alarm ((1))
- Used to set Alarm ((1)) ON/OFF (crescendo alarm time is ON when
((1)) is displayed).
“ALM2/Min key”:
- Used to enter alarm setting mode for Alarm ((2))
- Used to set Alarm ((2)) ON/OFF (normal alarm sound time is ON when
((2)) is displayed).
“Snooze” key:
- Used to activate the snooze during alarm
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Used to Display alarm time set for Alarm ((1)) and ((2))
Used to exit the setting modes
Alarm setting mode:
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Press ALM1 or ALM2 keys for 2 seconds to enter the ALM1 or ALM2 setting mode
Set the alarm hour by pressing “ALM1/HOUR” key
Set the alarm minutes by pressing “AML2/MIN” key
Exit Alarm setting mode by pressing the “Snooze” key or automatic timeout (approx. 15
seconds)
Note: to stop the alarm pressing any key except the “Snooze” key
Setting Mode:
Each time the settings are changed (except for alarm times), the following setting modes are
entered in sequence by using the “SET” key:
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Time zone setting from Pacific Time(-8h); (Mountain Time (-7h); Central Time (-6h); Eastern
Time(-5h) or GMT
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Daylight Saving Time ON/OFF
Snooze time setting (default 10 minutes)
Manual Time Setting (hour and minutes)
Calendar year, month, date, weekday
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12 or 24 hours time display
ºF or ºC indoor temperature display
Time zone setting mode:
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After pressing the “SET” key, the time zone will now start flashing. Use the “MODE/+” key
to change the Time zone between Pacific Time(-8h); (Mountain Time (-7h); Central Time (-
6h); Eastern Time(-5h) or GMT
The time zone with USA map will only be displayed if time zone selection is between Pacific
Time(-8h); (Mountain Time (-7h); Central Time (-6h) and Eastern Time(-5h) and will remain
visual after exiting the setting mode. If GMT (zero hours time source) is selected, the GMT
icon will remain on the LCD after exiting this mode. To exit, press the “SET” key to enter
the “Daylight Saving Time setting” mode.
Daylight Saving Time setting mode:
1. Use the “MODE/+” key to switch the DST ON/OFF. Automatic switching of summer/winter
time will be enable if DST is ON.
2. Now press the SET” key to enter the “Snooze setting” mode.
Snooze setting mode (default setting10 minutes):
1. The Snooze display will start flashing. Use the “MODE/+” key to select the desired snooze
interval from 0-59 minutes (snooze function will disable if the minutes are set to “00”)
2. Now press the “SET” key to enter the “Time setting” mode.
Time setting mode:
In some cases, the Alarm Clock may not be able to detect the WWVB signal which means the
WWVB tower icon will not show at all on the LCD (see Trouble Shooting) because it is only
visible when the signal is present. To overcome this problem, the time can be manually set for
the time being (see Manual Time Setting below) by entering the setting mode.
1. Following on from the Snooze setting mode, the hour digits will start flashing in the manual
time setting mode. Use the “MODE/+” key to set the desired hours followed by pressing
the “SET” key to move to the minutes setting
2. The minute digits will now start flashing. Set the desired minutes by pressing the “MODE/+”
key followed by pressing the “SET” key to move to the “Year Setting” mode
Year setting mode:
1. In the calendar section the year digits will start flashing (default setting year 1999). Select
the desired year (from 1999 to 2019) by using the “MODE/+” key.
2. Press the “SET” key to switch to the “Month setting” mode.
Month Setting:
1. The month digits will start flashing (default setting month is 1). Set the desired month by
using the “MODE/+” key.
2. Press the “SET” key to move to the “Day setting” mode.
Day Setting:
1. The digits for the date will start flashing (Default setting 1). Set the desired date by using the
“MODE/+” key.
2. Press the “SET” key to enter the “Weekday setting” mode.
Weekday Setting:
1. The weekday will start flashing (Default setting MON). Set the desired weekday by using the
“MODE/+” key.
2. Press the “SET” key to enter the “12/24 hour setting” mode.
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12/24 hour select mode:
1. The 12 or 24 hour will start flashing. Choose the desired time display mode by using the
“MODE+” key
2. Now press the “SET” key to enter the “Indoor temperature selection” mode.
Temperature selection mode:
1. The temperature reading will start flashing. Using the “MODE/+” to select the desired
temperature display for Celsius = ºC or Fahrenheit = ºF
2. After selecting the temperature display mode, press the “SET” key to exit the programming
mode and switch back to normal display.
Trouble Shooting
If the WWVB tower icon flashes, but does not set to the WWVB time signal or the tower icon
does not appear at all, then please take note of the following:
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Recommended distance to any interfering sources like computer monitors or TV sets is a
minimum of 1.5 - 2 meters.
Within ferro-concrete rooms (basements, superstructures), the received signal is naturally
weakened and in extreme cases the signal may not be received. In this case, place the unit
close to a window so that it faces in the general direction of the Ft. Collins, Colorado
transmitter
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During daytime high levels of interference from other transmitting sources could prevent the
WWVB time signal reception. During night-time, atmospheric disturbances are usually less
severe and reception is possible in most cases
Note: Even if the time has been set manually the Alarm Clock will still try to receive the signal
every hour between 12:00 a.m. and 6:00 a.m. local time. If the time signal data is
received, it is converted into radio controlled time from atomic clock run by the NIST and
then be displayed on the LCD. The received time will automatically override the
manually set time and date. When clock is attempting reception, the tower icon on the
LCD will start flashing if the WWVB time signal is present. When reception is successful,
no more radio signal reception will take place during that day. However if reception has
been unsuccessful, the WWVB tower icon will not appear and reception will be
attempted the following hour up to 6:00 a.m.
Care and Maintenance:
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Extreme temperatures, vibration and shock should be avoided as these may cause damage
to the unit and could give inaccurate readings.
When cleaning the display and casing, use a soft cloth only. Do not use solvents or
scouring agents as they may mark the LCD and casing.
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Do not submerge the unit in water.
Immediately remove any low powered battery to avoid leakage and damage and replace
only with a new battery of the recommended size.
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Do attempt to repair a unit. Return it to its original point of purchase for repair by a qualified
engineer. Opening and tampering with the unit may invalidate its guarantee
Do not expose the unit to extreme and sudden temperature changes, this may lead to rapid
changes in readings reducing its accuracy
Battery Change:
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It is recommended to replace the battery in the Clock on an annual basis to ensure optimum
running accuracy
When replacing the battery cover, ensure that the batteries do not spring free from the
contacts as this may cause start up problems.
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Should the low battery icon show on the LCD, the battery will need to be replaced.
Please participate in the preservation of the environment. Return used batteries to
an authorized depot.
Specifications:
Time source
Time frequency
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WWVB
60 kHz
Indoor temperature measuring range:
-21.8ºF to +156.2ºF with 0.1ºF resolution
(-29.9ºC to +69ºC with 0.1ºC resolution)
(“OFL” displayed if outside this range)
every 10 seconds
Indoor temperature checking interval:
Power source
Battery life cycle
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1 x AA, IEC LR6, 1.5V
Approximately 12 months
(Alkaline batteries recommended)
95 x 90 x 49mm
Dimensions (L x W x H)
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Liability Disclaimer
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The manufacturer and supplier cannot accept any responsibility for any incorrect readings
and any consequences that occur should an inaccurate reading take place
This product is not to be used for medical purposes or for public information
The specifications of this product may change without prior notice
This product is not a toy. Keep out of children’s reach
No part of this manual may be reproduced without written consent of the manufacturer
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For warranty work, technical support, or information, contact La Crosse Technology at:
La Crosse Technology, Ltd
2809 Losey Blvd. S.
La Crosse, WI 54601
Phone: 608.782.1610
Fax: 608.796.1020
e-mail:
(warranty work)
(information on other products)
web:
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