Discovery Channel STX7500 사용자 설명서 - 페이지 6
{카테고리_이름} Discovery Channel STX7500에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Discovery Channel STX7500 10 페이지. Weathertech storm tracker
페이지 인쇄Seeing Your Pressure History Graph
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The Barometric Pressure Reading at –30hr, -24hr, -12hr, –6hr, -3hr, -2hr, -1hr, 0hr is recorded and shown on the Barometric Pressure Bar Graph.
The Graph is displayed in both hPa (Hectopascal) and inHg (inches of mercury).
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Data will be updated every hour.
Barometric Pressure
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Press "Absolute/Relative" button located on the back of the unit to select Absolute or Relative pressure display. "Abs" is shown for Absolute pressure, "Rel" is shown for Relative
pressure (sea level).
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"Absolute" is the actual pressure measured by the main unit.
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"Relative" is sea level pressure.
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Data will be updated every hour.
Checking High & Low Temperatures
1. Press "MAX/MIN" button to show the maximum recorded indoor or outdoor temperature. You will see MAX on the main display.
2. Press "MAX/MIN" button again to show the minimum recorded temperature. You will see MIN on the main display.
3. Hold "MAX/MIN" button for 3 seconds to clear the recorded maximum and minimum readings.
Low Batteries Indicator
When you see the low battery icon
it means you should change the batteries.
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Back Light
Press the "SNOOZE/LIGHT" button to turn on the back light for 5 seconds.
*If you desire to keep the back light on permanently, follow the directions below. Please note that keeping the back light on permanently will cause the back light to become dim
over time.
— Plug in the included AC adaptor into the jack on the bottom of the unit.
— Slide the switch on the bottom of the unit to turn the back light on.
Helpful hints
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If the main station is not working properly, use a pin to press the reset button in the back.
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Avoid placing the main station near interference — this can include computers, TV sets, or anything with a metal frame.
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No buttons will function while main station is scanning for the remote sensor, or for the WWVB time transmission.
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If you ever want to cancel what you are doing, wait 5 seconds and main station will default back to it's primary screen.
Discovery facts
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The fastest temperature change on record was in South Dakota, January 22, 1943. The mercury jumped from -4° to 45° F in just two minutes.
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A computer performs more than 10 billion arithmetical operations to determine the 24 hour national weather forecast.
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The highest temperature ever recorded in the United States was 134° F at Greenland Ranch in Death Valley, California.
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Lightning strikes the Earth 100 times every second...generated by one of the 1,800 active thunderstorms around the planet on any given day.
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Outdoor temperature can be estimated fairly accurately by timing the chirps of a cricket. Count the number of chirps in a 15 second period, add 37 to the total, and you'll be quite
close to the Fahrenheit temperature.
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