Recommended operating range: -20℃ to 60℃, -4℉ to 140℉

RF transmission frequency:


Remote transmitter:

1 unit

RF transmission range:

maximum 30 meters

Temperature sensing cycle:

around 50 seconds


Main unit:

4.5V, use 3 x AA 1.5V alkaline battery

Remote transmitter:

3V, use 2 x AA 1.5V alkaline battery


Main unit:

22.2(W) x 20.2(H) x 2.3(D)cm

8.74(W) x 7.95(H) x 0.90(D)inch

Remote transmitter:

4.0(W) x 13.0(H) x 2.4(D)cm

1.6(W) x 5.1(H) x 0.9(D)inch


This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of

the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference

to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged

to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) This device must accept any interference received, including interference that may cause undesired operation.

Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the

user's authority to operate the equipment.

Thank you for your purchase of this quality clock. The utmost care has gone into the design and manufacture of your

clock. Please read these instructions and store them in a safe place for future reference.

The clock has a built in receiver that automatically synchronizes itself with the WWVB radio signal broadcast by the

US Government's National Institute of Standards & Technology (NIST) in Fort Collins, Colorado.

signal daily broadcast ensures that the atomic clock will always display the most accurate date and time.

The receiver unit has a clear, easy-to-read display that shows indoor temperature, outdoor temperature,time, month,

date, day. The remote sensor transmits the outdoor temperature. To receive the outdoor temperature, place the

sensor anywhere within 30 meters; the 433.92MHz technology means no wire installation is required.

The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. Daylight Saving

Time also automatically updates so there is no need to re-set the clock manually!

IMPORTANT: If the Atomic Clock does not receive the WWVB signal immediately, wait overnight and it will be

set in the morning.


1. Insert batteries into remote sensor. In the battery compartment, set the Channel to number 1.

2. Insert batteries into clock.

3. Set the Channel to receive outside temperature to number 1. Locate the Channel button on the back side of clock.

Note Channel number display in Outside Temperature section of clock display.

4. Locate the Daylight Savings Button and turn it to ON.

5. Choose your time zone.

6. Now you can either set the time and day manually OR wait until the clock receives the atomic signal. The signal is

usually received overnight but it will begin looking for the signal immediately. During the day there is a lot of

interference and that is why the signal is often received overnight. Once the clock receives the atomic signal and all

of the clock settings are in place, the time and date will be automatically updated.




- Displays time in hours and minutes; calendar display of month, date & day; indoor temperature; outdoor

temperature; signal strength indicator; daylight saving (DST).

2. UP / WAVE / 12/24 BUTTON:

- In the TIME / CALENDAR setting mode, press it to increase the setting values. Hold the button for 3 seconds,

the display will change rapidly.

- In normal mode, press and hold the button for 3 seconds for receive the RCC signal immediately.

- During the RCC receiving period, press the button again to stop the RCC reception.

- In normal mode, press the button to switch 12/24 time display format.

3. DOWN / ℃/℉ BUTTON:

- In the TIME / CALENDAR setting mode, press the button to decrease the setting values. Hold the button for 3

seconds, the display will change rapidly.

- In normal mode, press the button to switch temperature unit ℃/℉.



- In the TIME / CALENDAR setting mode, press the button to confirm the setting.

- In normal mode, press the button to switch the between channel 1, 2 and 3 to receive the 433.92MHz signal;

press and hold the button for 3 seconds will pairing with the outdoor remote sensor.

Atomic Wall Clock

Instructions & Warranty

Atomic Clock






The WWVB radio









How do you set a Sharp SPC1107? ›

1. Slide the SETTING switch to TIME SET or CALENDAR SET to set the time or calendar.. 2. Press the UP and DOWN button to change the value and press ENTER button to confirm the setting.

How do you get the outside temperature on a sharp atomic clock? ›

Seal the Battery Compartment and insert the screw, tight. Next, and on the back of the clock, there is a 'Channel Button". Click it until the Channel Indicator in the "Outside Temperature" shows "Channel #1". The temperature should display almost immediately.

How to reset sharp atomic weather station? ›

Remove the battery door from the back of the weather station & insert 2 AA batteries. Insert them according to the marked polarity. Replace the battery door. Press the RESET button on the back of the weather station to set and synchronize the transmitter automatically.

How long does it take for a sharp atomic clock to set itself? ›

It will start receiving the Atomic time signal within 10 minutes. Once received the signal successfully, the clock hands will found the correct time and run normally.

Can I manually set an atomic clock? ›

Once the atomic signal has been received by the clock, the minute hand will advance or slow down as necessary until the clock sets itself to the correct time. Manual setup allows you to set the clock without the atomic signal. After manual setup, the clock will continue to search for the atomic signal.

How long does it take for an atomic clock to reset? ›

If the movement successfully receives the signal, the clock will reset automatically to the correct time. Generally, reception of the WWVB signal takes approximately 3-15 minutes. If the clock still fails to receive the signal while in the WAVE mode, the clock will automatically leave the WAVE mode.

How to set sharp accu set clock? ›

1. At the back of the clock, slide the LOCK switch to TIME before setting the time and date. 2. At the top of the clock, press and hold SET button 2 seconds.

How do you set the time on a Sharp Atomic clock SPC1019? ›

Use the + or - button to set the Hour. Press and release the ALARM button to confirm hour and move to the next item. MINUTE: The Alarm Minutes will flash. Use the + or - button to set the Minutes.

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