Sharper Image Clock SN004 User Manual

HadronsDesktop  
U.S. Atomic Clock  
& Weather Station  
SN004 Instructions  
Read and save these instructions.  
 
Dear Sharper Image Customer,  
Thank you for your purchase of a Sharper Image product. We appreciate  
your business very much.  
Our goal is that you will be completely satisfied with this product’s  
quality and performance. We offer generous return privileges and  
excellent warranties on all our products.  
Since 1977, The Sharper Image has shared the fun of discovering  
innovative products that make life better and more enjoyable. We’ve  
been in business a long time because we are an exciting place to shop  
and — just as importantly — we strive to deliver outstanding customer  
service that exceeds your expectations.  
Enjoy your purchase!  
Call 1-800-344-4444 for ordering and customer service, or visit  
, our award-winning Website.  
 
Table of Contents  
What is Atomic Radio Control? ..................................................5  
Parts Diagram ............................................................................6  
Batteries ....................................................................................7  
Setting the Atomic Time and Date..............................................7  
Setting the Clock......................................................................10  
Weather Station.......................................................................13  
 
What isHAetoamd iHc1RaodriHo2Control?  
The most precise time keeping device on earth is the atomic clock.  
It keeps time to the accuracy of better than 1 second for every mil-  
lion years. The atomic clock is a huge piece of scientific equipment  
and it is so expensive that it is normally found in laboratories and  
standards institutions, etc. Thanks to the latest technology, the ac-  
curacy of the atomic clock is now brought to your home. The NIST  
(National Institute of Standards and Technology) broadcasts elec-  
tronically encoded time signals based on an atomic clock from an  
antenna in Fort Collins, Colorado that covers the continental United  
States. The signal is picked up by the radio receiver circuit in your  
clock, then decoded to synchronize the time to split-second preci-  
sion. The radio signal automatically sets the calendar and daylight  
saving or standard time too.  
Figure 1:  
Atomic radio-controlled  
time-signal transmission  
and reception.  
5
 
What is Atomic Radio Control?  
Note: The clock is for use in the continental USA only. In Alaska  
and Hawaii, the radio signal may not be strong enough for syn-  
chronization and therefore the clock can only be used as a normal  
quartz clock that can be set manually.  
Parts Diagram  
Antenna  
Icon  
Figure 4:  
Front view  
of clock.  
(Weather  
Forecast)  
Figure 2:  
Front view  
of clock.  
Battery Door  
Battery Door  
Set  
Up °C/°F  
Down  
Reset  
Add  
Sub  
DST  
Reset  
Snooze  
Light  
Set  
Light  
Mode  
Figure 5: Front view of clock.  
Figure 3: Back view of clock.  
(Weather Forecast)  
 
6
Head H1 or H2  
Batteries  
The clock and the weather station each use 2 AAA (or UM-4) batteries  
(purchase separately). Insert the batteries, observing proper +/– polari-  
ties, as indicated by the diagram in the battery compartment.  
Notes:  
• We recommend Alkaline batteries.  
• In accordance to the environmental laws in your area, properly  
dispose of the used batteries.  
• If the unit is operating in an unfavorable way or is malfunc-  
tioning, remove then reinsert the batteries in the back of the  
clock. Then press the RESET button on the back of the clock.  
Setting the Atomic Time and Date  
When the receiver circuit is in operation, the antenna icon on the  
LCD blinks. The bars facing the antenna indicate the strength of the  
radio signal: no bars mean there is no signal or a very weak signal  
being received; one bar indicates a weak signal; 5 bars indicates  
the strongest signal. Use the radio signal strength indicators to find  
a location where the reception is strong. Do not put the clock on a  
metal wall. If the clock is too close to electrical appliances, such as  
a TV, mobile phone or computer, they may cause undesirable signal  
7
 
Setting the Atomic Time and Date  
interference. A strong signal is normally found close to the window.  
In some areas where the signal is poor, you may need to position  
and rotate the clock until the best signal strength is obtained.  
Figure 6a:  
Figure 6b: Synchronization and radio signal strength indication.  
Blinking anten-  
na icon (clock  
attempting to  
synchronize).  
Figure 7: How to position the clock for the best signal reception.  
Once you have found the optimal position, leave the clock still so  
that it can receive a clear signal. It normally takes 3 to 10 minutes  
 
Setting thHeeAatdomHi1c oTrimHe2and Date  
to synchronize. Once it is successful, the clock displays extremely  
accurate time and the correct date. A successfully synchronized  
clock features a non-blinking antenna icon and a radiating beacon.  
The synchronized clock attempts to refresh itself with the radio time  
signal at least once a day. If it fails for more than 3 days, the antenna  
icon disappears. The clock still functions as a quartz clock until it  
can be refreshed again.  
The clock is a radio device and, like a mobile phone or the radio,  
in certain locations and times of day, it may not pick up a strong  
enough signal to synchronize. If the clock fails to synchronize in  
the first attempt, it reattempts at the top of every hour until 12:00  
a.m. In most cases, the clock synchronizes overnight as the radio  
signal is the strongest in the early morning. You can leave the clock  
to synchronize at a later time or you can set the clock manually. As  
noted below, a manually set clock still attempts to synchronize itself  
automatically at the top of every hour.  
Note: Regarding forced synchronization and halting of synchroniza-  
tion, if you want the clock to attempt synchronization, press and  
hold the MODE button. This activates the synchronization process.  
If the clock is in synchronization mode, then press and hold MODE  
to halt synchronization.  
 
Setting the Clock  
In normal display mode, press MODE button to view the following  
in this order: Current Date (month, day and year); Current Time;  
and Daily Alarm Time.  
After releasing the MODE button, the screen returns to normal  
display in 10 seconds. If you press and hold the SET button for 2  
seconds in any mode, the clock enters that particular mode. To  
adjust settings, press ADD or SUB.  
Notes:  
• DST can be set in Normal Display mode by pressing and holding  
the DST button for more than 2 seconds. DST can also be set in  
Current Time mode by pressing the DST button once.  
• Once you have manually set the DST or Standard Time, the clock  
will not set the Daylight Saving Time automatically due to the  
manual override. To return to default setting, press RESET.  
10  
 
Setting the Clock  
Setting the Zone  
The zone can be set in normal display mode or in the Time Set  
mode. In normal time mode, press and hold the SET button. To  
change the zone, press ADD or SUB button. To exit, press the  
SET button once again.  
Setting the Current Date  
Normal Display.  
MODE C — ALARM  
Push & hold SET button to set alarm time.  
MODE A — CALENDAR  
(including the year)  
Push and hold SET button  
to set calendar.  
MODE B — TIME  
Push and hold SET button  
to set time;  
a short push of DST button  
to set DST/Standard.  
11  
 
Setting the Clock  
Press the MODE button to enter Mode A (Calendar with Year).  
To enter the Year mode, press and hold the SET button for 2  
seconds. The last two digits of the year blink. Press ADD or SUB  
button to enter correct year, then press the SET button to set month  
and day.  
Setting the Current Time  
When in Mode A (Calendar with Year), press the MODE button  
to enter Mode B (Time). The SET button functions the same as in  
the other modes. SET sequence is as follows: Time Zone; Seconds;  
12/24-Hour Display; Hour; Minutes. Press ADD or SUB button  
to change. After the time is set, press DST button once to set  
Daylight Saving Time.  
Setting the Alarm  
When in Mode B (Time), press the MODE button to enter Mode  
C (Alarm). Press and hold the SET button to enter Alarm Hour and  
Minutes settings. Press ADD or SUB to change. To enter Alarm  
On/Off setting, press SET button once more. When in the Alarm  
On/Off setting, press ADD or SUB to set the alarm on or off. When  
set to ON, appears; when off, disappears.  
12  
 
Setting the Clock  
Note: If in 12-hour mode, a.m. or p.m. appears. Daily alarm sound  
can be identified by short, rapid beeps. When the alarm is beep-  
ing, you can turn it off by pressing any button, except the SNOOZE  
button, on the back of the clock for 2 seconds. To snooze, press  
any button located on the back of the unit. Duration is 5 minutes.  
Backlight  
To illuminate the LCD on the main clock unit, press the SNOOZE/  
LIGHT button. To illuminate the Weather Station, press the LIGHT  
button on that back of the unit.  
Weather Station  
The Weather Station is capable of detecting atmospheric pressure  
changes. Once the batteries have been installed, the LCD shows all  
the segments for a few seconds, then changes to show the humidity  
and the temperature. The pressure display shows (blank) “---- - 0h.”  
The weather forecast area is blank. The blinking arrows inside the  
window at the upper left corner indicate that the pressure is cur-  
rently being read. Once this instrument successfully receives the  
pressure data, it displays the barometric pressure reading on the  
LCD, as well as the corresponding weather forecast icon.  
13  
 
WHeadthHer1SotartHio2n  
In order to “predict” the correct weather, you must set the approxi-  
mate altitude of your location because the atmospheric pressure  
varies at different altitudes. Press the SET button. The barometer  
changes to the altitude of your location. To adjust the altitude of  
your location, press UP or DOWN accordingly. After setting the  
altitude, press SET once to return to normal barometer display.  
Note: The limits for the altitude settings are from -325 feet below  
sea level to 6,55ꢀ feet above sea level (-ꢁꢁm to 1,ꢁꢁꢁm).  
14  
 
Weather Station  
To determine your altitude, either contact your local library or visit  
site listed appears only as a helpful reference. The Website, its name  
and logos remain the sole property of the owners of the Website  
and of the trademark.)  
Based on the collected data, the weather forecast predicts the  
weather for the upcoming 6 to ꢀ hours as indicated below:  
Notes:  
• In order to provide an accurate weather prediction, the weather  
forecast station needs to run and collect data for at least 12 hours.  
The prediction covers the next 6 to ꢀ hours and may not neces-  
sarily reflect the current situation.  
• The accuracy of this pressure-based weather forecast station is  
about 70% to 75%.  
• The Sunny icon on the weather forecast station implies clear  
weather.  
Reading the Barometric Pressure  
To show the pressure history of last 6 hours, press DOWN. If data is  
available, the display shows the data with the corresponding hour.  
15  
 
Weather Station  
For example, 1003 -2 on the LCD means the pressure measurement  
is 1003 mbar) and the -2 means the data was collected 2 hours ago.  
By comparing the pressure value (mbar), it provides a hint to predict  
the weather condition. If the pressure value is rising, the weather  
condition may improve. If the pressure value is not changing, the  
weather condition may stay at the current condition. If the pressure  
value is declining, the weather condition may become poor. The  
pressure trend indicator shows the pressure trend.  
Means the pressure is rising.  
The weather conditions may improve.  
Means the pressure is not changing.  
The weather may stay at the current condition.  
Means the pressure is declining.  
The weather conditions may become poor.  
Note: The pressure limits on your weather forecast can display a  
pressure level between 700mbar and 1,050 mbar. The operation  
pressure of the clock unit is from ꢁ70 mbar to 1,030 mbar.  
16  
 
Weather Station  
Reading the Temperature  
To select either °C or °F, press the °C/°F. The weather station can  
show a temperature between 14°F and 122°F (-10°C and 50°C). If  
the temperature exceeds the maximum, HI appears on the LCD.  
Note: The operating temperature range of the clock is 32°F to  
122°F (0°C to 50°C). If the indoor temperature is below 32°F (0°C),  
the LCD may not be viewable.  
Reading the Humidity  
If the displayed humidity is less than 3ꢁ%, the letter ”D“ appears to  
indicate ”Dry.“  
If the displayed humidity is between 40% and 70%, and if the tem-  
perature is between 6ꢀ°F and 77°F (20°C and 25°C), the letter ”C“  
appears to indicate ”Comfortable.“  
If the displayed humidity is over 70%, the letter ”W“ appears to  
indicate ”Wet.“  
17  
 
Weather Station  
Notes:  
• Weather instruments take some time to respond to sudden  
changes in temperature and relative humidity. Placing the clock  
in a location with free airflow helps the instruments obtain a  
quicker and more accurate reading.  
• When the temperature is at or below 32°F (0°C), the LCD  
shows --% for humidity.  
• The operation humidity is from 15% to ꢁ5%.  
1ꢀ  
 
 
Warranty  
What Is Covered  
This warranty covers any defects in materials or workmanship, with the exceptions stated below.  
How Long Coverage Lasts  
This warranty runs for ꢁ0 days from the date of original purchase.  
What Is Not Covered  
This warranty does not cover damage caused by misuse or use other than as intended and described  
in the product instruction manual, or loss or damage to batteries or removable parts.  
What The Sharper Image Will Do  
The Sharper Image warrants this product against defects in materials and workmanship. When repair is  
not practical, The Sharper Image will have the option to replace the defective product with one that is  
the same or has similar functionality.  
How to Obtain Service  
Return the product and receipt, along with a brief explanation of the problem, to:  
T.S.I. - Returns Department  
2901-A West 60th Street  
Little Rock, AR 72209  
If you have questions please feel free to contact our customer service representatives at 1-ꢀ00-344-5555  
or by email at [email protected].  
This warranty gives you specific legal rights, and you may have other legal rights that vary from state to state.  
© 2007 Sharper Image Corporation  
Sharper Image Corporation  
350 The Embarcadero, Sixth Floor  
San Francisco, CA ꢁ4105-121ꢀ  
Shop online:  
Actual product may differ slightly from the product described herein.  
V1 04/07  
 

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