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ARCRON RADIO-CONTROLLED DESKTOP CLOCK EXECUTIVE WWVB
Congratulations on buying and ARCRON radio-controlled desktop clock. You have opted for a sleek modern design combined with tremendous accuracy and technical sophistication.
Key Features of EXECUTIVE WWVB
Automatic Time Setting
Your ARCRON RC clock incorporates a special technology that ensures maximum accuracy as soon as the batteries have been inserted, even when no time signal is received at that particular moment. The comfort for you is that no time or date adjustments are necessary as they are with quartz-controlled clocks.
Superior reception sensitivity
Your ARCRON RC clock uses a completely new generations of receiver IC’s that is more than ten times as sensitive as is needed to receive even the minimum field intensity. That superior sensitivity guarantees you accurate time-keeping even in areas where signal reception is poor.
Maximum accuracy at all times
Your clock has been especially developed to ensure accuracy even during long reception gaps, which may happen in some areas of the U.S.:
-Oscillator calibration
ARCRON has succeeded in achieving extremely high accuracy with a deviation of less than 0.12 seconds per day when radio signal reception isn’t possible. Even the effects of temperature fluctuation and aging of the crystal are balanced by a special kind of continuous calibration of the internal oscillator.
-Retrievable data
Your ARCRON RC desktop clock offers you retrievable data about the present accuracy of the clock at all times.
In areas without any radio signal reception at all, your desktop clock will still work as a superior quartz clock, far more accurate than standard quartz time-pieces.
-Location finder
In areas with poor signal reception, your clock helps you to select the right location by indicating reception utility through special indicator bars in the display.
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OPERATION
I. Starting Up
1. Insert 2 type AA batteries into battery compartment at the back of the clock.
2. Close the compartment cover
The clock will immediately display time and date. The time will be Eastern Time, and if you’re in this time zone, you won’t have to do anything more.
In some cases, your clock may be a few seconds off the correct time. This should not concern you, because the clock needs a radio time signal to pick up the correct to the second time. This happens at 1:00 AM every night.
Your clock is now on standard display. Standard display is defined as showing local time in the top line and the current date in the bottom line.
II. Switching to your local Time Zone
If you are in a time zone other than Eastern Time, you must set the clock to your local time:
|1. Press button T5 three times |The letter “E” in the right-hand corner of the display will flash|
| |for 10 seconds |
|2. Select your Time Zone by pressing T3 |Choose from four Time Zones |
| |E-> Eastern Time |
| |C-> Central Time |
| |M-> Mountain Time |
| |P-> Pacific Time |
The clock will return to the standard display automatically within 10 seconds, or immediately by pressing T5 again.
III. Adjusting to Daylight Saving Time
Normally this is done automatically. However, if the correct time signal has not yet been received, you may do this manually.
|1. Press T5 once |The word “DATE” will flash for 10 seconds |
|2. Press T4 to select Daylight Saving Time |The letter “d” will appear in the seconds display |
|3. Press T3 to set Standard Time |The letter “s” will appear in the seconds display |
The clock will return to the standard display automatically within 10 seconds, or immediately by pressing T5 three times.
IV. Setting the Alarm
|1. Press T2 to select Alarm 1 or Alarm 2 |“AL 1” or “AL2” will flash next to the date display. |
|2. Press T3 or T4 to set alarm time |Press shorter for single minutes, longer for 10-minute interval. |
| |A bell is displayed next to date display, indicating alarm is on.|
|3. Press T1 to shut off ringing of alarm |Alarm will go on same time next day. |
|4. Shut off alarm completely by pressing T2 to select Alarm 1 or |The bell disappears. |
|Alarm 2, then press T1 | |
The clock will return to the standard display automatically within 10 seconds, or immediately by pressing T2 twice (when in AL1) or once (when in AL2).
V. Changing Batteries
Watch for Low-Bat symbol on the display to replace batteries.
VI. Changing to World Time Display
|Press T5 twice |“WORLD” flashes for 10 seconds. Number from -12 to +12 will |
| |appear. |
|Press T3/T4 to change to the requested World time Zone |“00” is defined as Greenwich Mean Time |
Please refer to our map of the Time Zones of the World.
World Time is shown in the second line of the display. After 10 seconds, the World Time you have selected is steady.
The clock now displays your local Time Zone in the top line, the selected World Time in the bottom line in place of the DATE.
VII. Alternating between World Time Display and Standard Display
|1. Press T5 |“DATE” flashes and date is shown. |
After 10 seconds “DATE” is steady and the clock is on standard display again.
|2. Press T5 twice |“WORLD” flashes. A two-digit number appears for 10 seconds, |
| |indicating the difference to Greenwich Mean Time. |
After 10 seconds “WORLD” is steady and the pre-selected World Time is shown again.
VIII. Poor Radio Signal Calibration
Place your RC clock where minimum electrical disturbance or shielding effects are expected; Try to avoid positioning very close to TV sets or computers. You may encounter problems in concrete steel buildings (better near windows) or below grade. Proceed as outlined below.
If your clock didn’t receive any correct time signal for more than 18 days, the Radio Tower Symbol is switched off. You may now start the ARC (Advanced Radio Controlled) program and try to pick up a valid time signal.
|1. Press T3 and T4 simultaneously for more than 2 seconds |“ARC” and a 2-digit number appear on the display. Number |
| |indicates the probable difference in the exact time in seconds. |
|2. Press T1 within 10 seconds to enter reception mode |Radio tower symbol starts flashing. Indicator bar defines the |
| |quality of reception: the more segments, the better the |
| |reception. |
|3. Rotate the clock in 1/8 turns to find a better position |Hold each position for approx. 20 seconds |
|4. Move clock near a window if no radio signal is picked up |The clock attempts reception by this method for max. 15 minutes. |
After receiving a valid time signal, the clock adjusts to the correct time under consideration of your Time Zone and Daylight Saving Time adjustments and returns to the standard display.
If there is no successful reception after 15 minutes, the radio tower symbol stops flashing, and no bars are shown. The clock remains in this mode until 1:00 AM when it searches for a time signal again and returns to the standard display.
|5. Alternatively: exit to standard display immediately by |Radio tower symbol flashes, indicating no time signal was |
|pressing T5 |received. |
Your clock will still try to pick up a radio signal at 1:00AM every night .Radio tower symbol becomes steady as soon as a successful reception has taken place.
IX. Checking for accuracy
You won’t really need this feature, but we have included it in case you’re interested.
|Press T3 and T4 simultaneously for more than 2 seconds |“ARC” and a 2-digit number appear on the display. Number |
| |indicates the probable difference to the exact time in seconds. |
| |(Multiply this figure by 6 and get the approximate number of days|
|2. If your clock is off, proceed with steps 2 through 5 above. |since last successful radio reception.) |
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