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manual abstract
Instruction manual 3. Warranty card ABOUT RADIO-CONTROLLED TIME - WWVB The NIST (National Institute of Standards and Technology—Time and Frequency Division) WWVB radio station is located in Ft. Collins, Colorado, and transmits the exact time and date signal continuously throughout the United States at 60 kHz. The signal can be received up to 2,000 miles away through the internal antenna in the alarm clock. Due to the nature of the Earth’s Ionosphere, reception is very limited during daylight hours. The alarm clock will search for a signal every night when reception is best. The WWVB radio station derives its signal from the NIST Atomic clock in Boulder, Colorado. A team of atomic physicists is continually measuring every second, of every day, to an accuracy of ten billionths of a second per day. These physicists have created an international standard, measuring a second as 9,192,631,770 vibrations of a Cesium-133 atom in a vacuum. More information on the atomic clock and WWVB can be found at PROGRAM MODE Following is a list of steps to set up your new La Crosse Technology travel alarm clock. • Please begin by removing the battery cover on the rear of the travel alarm shown in figure one. • Next insert one AA alkaline battery into the battery compartment making sure to observe the correct polarity. • When inserting the battery be sure not to press any of the buttons on the travel alarm as this will interrupt the WWVB search and may cause the travel alarm to not pick up the radio-controlled time signal. • Now replace the battery cover and face the travel alarm with the back of the unit towards Colorado (this has been found to help the unit pick up the WWVB signal). • When the WWVB signal is received a tower icon will appear on the left side of the LCD display. NOTE: Due to the nature of the WWVB signal it may take overnight for the travel alarm to receive the signal and set. Adverse weather conditions may also affect the travel alarms’ ability to receive the signal. In some cases it may take several nights for the travel alarm to set. Figure One 4 Time Zone and DST (Daylight Saving Time) Setting You can manually set the time zone and the DST option on your travel alarm by pressing and holding the “MODE/MIN” button (figure two) on the front of your travel alarm for 4 seconds. The time zone will appear flashing in the LCD You can select from four U.S. time zones (Eastern, Central, Mountain and Pacific) on your travel alarm. The time zones are abbreviated with three letters as follows: Eastern EST Central CST Mountain MST Pacific PST You can select whether or not your alarm recognizes the daylight saving time changes twice a year and automatically changes. Some areas do not change time for daylight saving time (Arizona and parts of Indiana). The default (factory) setting is daylight saving time on. • Press and release the “AL/HR” button to select the desired time zone. • The time zone abbreviation will appear in the LCD. • “DST” will be displayed to the left of the time zone abbreviation. • Press and release the “MODE/MIN” button to toggle between daylight saving time on and off. • Press and release the “Snooze” button twice to return the normal display mode or wait 20 seconds and the travel alarm will time out and automatically return to the normal display mode. Display Mode Setting The display below the time can be switched between showing the seconds and the alarm time. To switch between these two modes press and release the “MODE/MIN” button. Setting the Alarm To set the alarm press and hold the “AL/HR” button for 4 seconds. • The alarm time will flash in the bottom left of the LCD screen. • Press and release the “AL/HR” button to advance to the desired hour. • Press and release the “MODE/MIN” button to advance to the desired minute. • Press and release the “Snooze” button twice to return to the normal display mode or wait 20 seconds and the travel alarm will time out and automatically return to the normal display mode. Figure Two Operating the Alarm To turn the alarm on press and release the “AL/HR” button. The alarm icon (((•))) will be displayed in the lower right of the LCD to indicate that the alarm has been turned on. The alarm will sound for 100 seconds once activated. By pressing the snooze button the alarm will be suspended for 8 minutes. Manual Time Setting Option You can also manually set the time on your travel alarm by pressing and holding the “MODE/MIN” button (figure two) on the front of your travel alarm for 4 seconds. • The time zone abbreviation will appear in the LCD. • Press and release the “Snooze” button once. • The time will now flash in the LCD. • Press and release the “AL/HR” button to advance the hours. • Press and release the “MODE/MIN” button to advance the minutes. • Press and release the “Snooze” button twice to return the normal display mode or wait 20 seconds and the travel alarm will automatically return to the normal display mode. TROUBLESHOOTING NOTE: For prob...