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Guide to Weather
Weather Basics
Understanding Weather
Air Temperature
Air Pressure
Wind Speed & Direction
Precipitation
Humidity & Dew Point
Clouds & Visibility
Forecasting
Effects
Frequently Asked Questions
Glossary
Help & How-to's
 

 Frequently Asked Questions on Weather Products

General Weather Questions

How does weather affect consumer electronics?
What is the dew point?
What's the difference between humidity and relative humidity?
What do the hurricane categories indicate?
What are the layers of the atmosphere?
What are the various cloud types?

General Weather Radio Questions

What is the difference between a watch and a warning?
How can I adapt my weather radio for special needs?
How can I check my radio to be sure that it is working properly?
Why wouldn't I receive the test signal from NOAA?
Should I be able to pick up a weather channel all the time?
What does 0H29M (or similar) mean on the display?
Why is "Check Op" or "Chk Op" on the display?
Does RadioShack carry a weather radio with an alert time of less than one minute?

General Weather Station & Sensor Questions

Do the weather stations use the old or new wind chill formula?
Do I need a computer to run the weather station?
How do I empty the rain gauge if I have installed it on the roof?
The cables won't reach. Can they be extended?
Why does it recommend that I use lithium batteries for outdoor sensors?

Specific Weather Products

Specific Weather Radios

120-0239 Weather Radio
  - What is the sensitivity?
  - Is there additional information available on-line?
120-0246 Weather Radio
  - What is the sensitivity?
  - What is the power consumption in each of its modes?
  - Is there additional information available on-line?
120-0247 Weather Radio
  - What is the sensitivity?
  - What is the external attenna jack type?
  - Is there additional information available on-line?
120-0249 7-Channel Weather Radio 
  - Do the contacts close after the alert?
  - How can I make this weather radio work with the Powerflash Module (980-0232)?
  - What is the list of alerts, and what alerts can be locked out?
  - How do I program this weather radio?
  - What are the specifications of the Alarm Output?
  - What antenna do I need for my weather radio and/or installation?
  - What is the voltage and current of the output and is it continuous or pulse?
  - Is there additional information available on-line?
120-0250 Desktop Weather Radio
  - How can I make this weather radio work with the Powerflash Module (980-0232)?
  - What is the list of alerts, and what alerts can be locked out?
  - How do I program this weather radio?
  - What are the specifications of the Alarm Output?
  - What antenna do I need for my weather radio and/or installation?
  - Is there additional information available on-line?
120-0251 Weather Radio
  - How long will the battery last in the standby (alert on, no vol) mode?
  - What does PC-0 indicate?
  - Is there additional information available on-line?
120-0253 AM/FM Weather Radio
  - What alerts can this display?
  - What are the power ratings?
  - Does it automatically synchronize to the atomic clock?
  - Why is the atomic clock 6 to 1 sec behind?
  - How do I set the date / day?
  - Is there additional information available on-line?
120-0254 Desktop Weather Radio
  - Does it have Hurricane Warning?
  - What is the battery life?
  - What is the current drain?
  - Is there additional information available on-line?
120-0255 Weather Radio
  - Are extra remote sensors available?
  - Is there additional information available on-line?
120-0256 Weather Radio
  - What are the dimensions (HWD)?
  - Is there additional information available on-line?
120-0258 Weather Radio
  - Will it work with Outlook as well as Outlook Express?
  - How do I fix a run time error 53 during setup?
  - Is there additional information available on-line?
120-0259 Weather Radio
  - What is the battery life?
  - Is there additional information available on-line?
120-0261 Weatheradio® Alarm Clock With NWR SAME Operation
  - Is there additional information available on-line?
120-0301 Weather Radio
  - Will it shut itself off after it receives a NOAA alert?
  - Is there additional information available on-line?

Specific Weather Stations

630-0868 Weather Station
  - What is the cotton ball made of?
  - Is there additional information available on-line?
630-1015 WX-200 Wireless Weather Station
  - How can I keep the backlight on for a long period of time?
  - The cables won't reach. Can they be extended?
  - How do I empty the rain gauge if I have installed it on the roof?
  - We live in a coastal area with harsh/corrosive weather conditions. Will this product survive these conditions?
  - What is AccuWeather for Windows?
  - Why doesn't the barometric pressure change?
  - How long are the cables?
  - What is the data format?
  - What does error 73 indicate?
  - What are the serial pinouts?
  - What are the RS-232 pinouts?
  - Will this work with Windows XP and a USB-Serial adapter?
  - How do I get a replacement temperature / humidity sensor?
  - I'm not getting data from the sensors; what could be wrong?
  - What goes to box number 2 on the connection box?
  - Can the rain gauge freeze up?
  - What do I do if the program says that the end time occures before the start time?
  - How do I change the font size of the printout coming from the printer?
  - Why does the unit display all 6s or all 3s on display?
  - Does this have a magnetic or reed switch for wind speed?
  - Why does the software lock up at midnight?
  - What are the three barometers for?
  - Why does the precipitation rainfall always default to .08 inches?
  - Is there additional information available on-line?
630-1016 Wireless Weather Station
  - How do I get replacement and/or add-on thermo/hygrometer sensors?
  - What are the electrical specifications for the transmitters?
  - What are the indoor and outdoor temperature measurement ranges?
  - What do LLL and HHH indicate on the display?
  - Why does HHH display after the rain gauge is emptied?
  - What is the resolution for the rain gauge?
  - Does the unit have a 9 or 25 pin serial port?
  - What is the barometric accuracy?
  - How long will batteries last without replacement??
  - What is the sampling cycle frequency?
  - What kind of transmission does the transmitter use?
  - Is the rain gauge self dumping??
  - When storing data in memory each hour, what is the max memory capacity?
  - What is the range of the wireless sensors?
  - What are the transmitter specifications?
  - Is there additional information available on-line?

Specific Weather Sensors

630-0854 Indoor/Outdoor Thermometer
  - What does the LLL error indicate?
  - How do I change between Celsius and Fahrenheit?
  - How do I activate the backlight?
  - Is there additional information available on-line?
630-0867 LCD Indoor/Outdoor Thermometer/Hygrometer
  - Why won't this display below 33% humidity?
  - Is there additional information available on-line?
630-0961 Talking Clock Thermometer with 199-year Calendar
  - How do I change alarms 2, 3 and 4 from being just calendar alarms?
  - How do I change from Fahrenheit to Celsius?
  - Is there additional information available on-line?
630-1009 Indoor/Outdoor Thermometer
  - How do I set the time?
  - Is there additional information available on-line?
630-1013 Indoor Humidity Gauge Thermometer
  - How long will it take to register a humidity reading once it is set in a location?
  - How do I calibrate it?
  - What is the power rating and battery life?
  - What is the temperature range, resolution and accuracy?
  - What is the humidity range, resolution and accuracy?
  - Is there additional information available on-line?
630-1019 Inside/Outside Car/RV Thermometer
  - What is the value of the thermistor?
  - Is there additional information available on-line?
630-1023 Indoor/Outdoor Car Thermometer
  - How do I reset the MIN/MAX to zero?
  - Why will this not read right when car is on?
  - What replacement battery do I use?
  - Is there additional information available on-line?
630-1026 Indoor/Outdoor Thermometer
  - How do I tell if the Hi/Lo alarm is on?
  - What is the battery life?
  - What is the accuracy?
  - What is the operating frequency and range?
  - Will the plastic on the outdoor sensor turn yellow?
  - Is there additional information available on-line?
630-1027 Wireless Remote Thermometer Sensor
  - What is the battery life?
  - What is the accuracy?
  - What is the operating frequency and range?
  - Will the plastic turn yellow?
  - Is there additional information available on-line?
630-1029 Indoor Analog Thermometer/Hygrometer/Clock Tower
  - What is the range and accuracy?
  - Is there additional information available on-line?
630-1030 Long-Range Wireless Thermo-Hygrometer
  - How do I set the alarm for Hi and Lo?
  - What do the faces mean?
  - What is the humidity accuracy?
  - What are the frequencies?
  - Why aren't the humidity alarm range and operating range the same?
  - What is the battery life?
  - What is the temperature operating range?
  - Is there additional information available on-line?
630-1031 All Weather Wireless Sensor
  - What is the humidity accuracy?
  - What are the frequencies?
  - Why aren't the humidity alarm range and operating range the same?
  - What is the battery life?
  - What is the temperature operating range?
  - Is there additional information available on-line?
630-1032 Indoor/Outdoor Thermometer with Indoor Humidity Gauge
  - What are the dimensions?
  - What is the humidity range, accuracy and resolution?
  - Is there additional information available on-line?
630-1033 Indoor/Outdoor Thermometer
  - How do I turn off the temperature alarm?
  - Why are the display range and operating ranges different?
  - What are the channel frequencies?
  - Is there additional information available on-line?
630-5048 Thermometer Watch
  - How do I switch between Celsius and Fahrenheit?
  - Is this watch water-proof or water-resistant?
  - Is there additional information available on-line?

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