User manual LA CROSSE TECHNOLOGY WT-2150B

[. . . ] Please read this instruction manual to enjoy the full benefits of all the features. Features: · · · · · · · · · · · · WWVB radio controlled time and date 12 or 24 hour time display Indoor temperature reading (°F/°C user selectable) Two independent alarm times Snooze interval setting from 0 (off) to 59 minutes Calendar display (weekday/month/date or month/date/year) Time zone map for continental United States Time zone selectable ­1 hour to ­12 hour or Greenwich Mean Time (GMT) LCD back light Manual time setting option Daylight savings time ON/OFF option Low battery indicator Starting up the Alarm Clock The alarm clock uses 1 x AA LR6 battery (Alkaline recommended) Snooze button Function Keys Battery Compartment Battery Cover 1. Slide the battery cover off as indicated by the triangle to open the battery compartment. Upon power-up, the alarm will sound once and all LCD segments will light up briefly. [. . . ] 4) Snooze: Press the MODE/+ key to select the desired snooze length from 0 to 59 minutes. Default is 10 minutes; 0 is no snooze (pressing the SNOOZE bar turns off the alarm). Press the SET key. 6) Temperature Selection: Press the MODE/+ key to select °F (Fahrenheit) or °C (Celsius). The programming mode is complete. Alarm Setting Mode 1) Press the ALM1 or ALM2 key for two seconds to enter the Alarm 1 or Alarm 2 setting mode. 2) Press the ALM1/HOUR key to set the alarm hour. 4) Exit this mode by pressing the SNOOZE bar or waiting for 15 seconds. Alarm is activated when ((1)) or ((2)) is displayed to the right of the map. To activate/deactivate an alarm, press the ALM1 or ALM2 key briefly. Display Modes Your alarm clock can be set to display (underneath the US map) either the seconds, calendar, alarm 1 time, alarm 2 time or indoor temperature. 2) The display will toggle through the options. Ionosphere, reception is very limited during daylight hours. Your 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 continually measures every second of every day to an accuracy of ten billionths of a second a 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. Your Radio Controlled Alarm Clock cannot receive signals from other transmitters in the world (Germany's DCF 77, Japan's JG2AS, or England's MSF-60). Outside the United Sates, the alarm clock will keep time as a precision quartz clock. Troubleshooting The Radio Controlled Alarm Clock is designed to be simple to operate yet offer a complete range of features. A: In many areas of the country a signal cannot be received during daylight hours due to the interference of the sun. By leaving the clock alone, a signal will be found during the night and the alarm clock will be set to the General Information on WWVB Radio Controlled Time The NIST radio station, WWVB, is located in Ft. Collins, Colorado and transmits the exact time 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 your alarm clock. [. . . ] · Do not attempt to repair your alarm clock. Battery Change · It is recommended to replace the battery on an annual basis to ensure optimum accuracy or when the battery icon indicates low running power. · When replacing the battery, be sure to leave battery out for at least one minute to allow complete reset. · Place battery firmly in compartment to ensure proper contact. Specifications: Time Source/Frequency Temperature measuring range Temperature resolution Temperature checking interval Power source Battery life cycle Dimensions (L x W x H) : : : : : : : WWVB/60 kHz -21. 8°F to +155. 9°F (-29. 9°C to +68. 8°C) 0. 2°F (0. 1°C) Every 10 seconds 1 x AA, IEC LR6, 1. 5V Alkaline Approximately 12 months 3. 70 x 3. 50 x 1. 91 in (95 x 90 x 49 mm) For warranty work, technical support, or information, contact La Crosse Technology at: La Crosse Technology, Ltd 2809 Losey Blvd. [. . . ]