This guide describes the installation of a digital-to-analog converter box with your current antenna and analog TV. This guide will help you prepare so that when you purchase a converter box you will know what to expect and whether you may need help setting it up.
Supplies: You will need your analog TV, the antenna you have been using (indoor or outdoor), and the coaxial wire that currently connects your antenna to your TV (as pictured on the right). Your new converter box will come with a coaxial wire and a remote control. Before you begin the installation of the converter box, you should unplug your TV.
For instructions on how to connect your converter box if it does not include an analog pass-through feature or for instructions on connecting your converter box to other components such as a VCR, go to www.fcc.gov/digital-television or contact the FCC by calling 1-888-CALL-FCC (1-888-225-5322) voice or 1-888-TELL-FCC (1-888-835-5322) TTY.
In the String Formatting article, you saw how you can use the StringFormat property of a data binding to convert any type into a string. For other types of conversions, you need to write some specialized code in a class that implements the IValueConverter interface. (The Universal Windows Platform contains a similar class named IValueConverter in the Windows.UI.Xaml.Data namespace, but this IValueConverter is in the Xamarin.Forms namespace.) Classes that implement IValueConverter are called value converters, but they are also often referred to as binding converters or binding value converters.
The Enable Buttons page in the Data Binding Demos sample demonstrates how to use this value converter in a data binding. The IntToBoolConverter is instantiated in the page's resource dictionary. It is then referenced with a StaticResource markup extension to set the Converter property in two data bindings. It is very common to share data converters among multiple data bindings on the page:
The Enable Buttons page demonstrates a common need when a Button performs an operation based on text that the user types into an Entry view. If nothing has been typed into the Entry, the Button should be disabled. Each Button contains a data binding on its IsEnabled property. The data-binding source is the Length property of the Text property of the corresponding Entry. If that Length property is not 0, the value converter returns true and the Button is enabled:
Some value converters are written specifically for particular applications, while others are generalized. If you know that a value converter will only be used in OneWay bindings, then the ConvertBack method can simply return null.
You can write value converters to be more generalized and to accept several different types of data. The Convert and ConvertBack methods can use the as or is operators with the value parameter, or can call GetType on that parameter to determine its type, and then do something appropriate. The expected type of each method's return value is given by the targetType parameter. Sometimes, value converters are used with data bindings of different target types; the value converter can use the targetType argument to perform a conversion for the correct type.
The Switch Indicators page demonstrates how it can be used to display the value of a Switch view. Although it's common to instantiate value converters as resources in a resource dictionary, this page demonstrates an alternative: Each value converter is instantiated between Binding.Converter property-element tags. The x:TypeArguments indicates the generic argument, and TrueObject and FalseObject are both set to objects of that type:
The Binding class defines a ConverterParameter property, and the Binding markup extension also defines a ConverterParameter property. If this property is set, then the value is passed to the Convert and ConvertBack methods as the parameter argument. Even if the instance of the value converter is shared among several data bindings, the ConverterParameter can be different to perform somewhat different conversions.
To display these as hexadecimal values in XAML, they must be multiplied by 255, converted to an integer, and then formatted with a specification of "X2" in the StringFormat property. The first two tasks (multiplying by 255 and converting to an integer) can be handled by the value converter. To make the value converter as generalized as possible, the multiplication factor can be specified with the ConverterParameter property, which means that it enters the Convert and ConvertBack methods as the parameter argument:
The Convert converts from a double to int while multiplying by the parameter value; the ConvertBack divides the integer value argument by parameter and returns a double result. (In the program shown below, the value converter is used only in connection with string formatting, so ConvertBack is not used.)
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InforEuro provides rates for current and old currencies for countries both inside and outside the European Union. For each currency, the converter provides the historic rates of conversion against the euro (or, until December 1998, against the ecu). These exchange rates are available in electronic format from March 1994 in the form of downloadable files.
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With this online video converter you can upload your mp4, avi, WebM, flv, wmv and many other popular types of video and rich media files to turn them into high-quality animated GIFs. Source video file can be uploaded from your computer or smartphone or fetched from another server by URL.
After upload, you can select the part of the video you want to cut, entering the start and end times. If nothing is selected, the converter will make a GIF from the first five seconds of the video clip.If you want to change the dimensions of the GIF or crop out only part of the video, you can use our resize and crop tools on the GIF after finishing the conversion.
We offer MP4 to GIF, WebM to GIF, AVI to GIF, MOV to GIF, FLV to GIF, as well as 3GP, OGV, M4V, ASF, and other format converters. It's possible to convert transparent video (with alpha channel) to transparent GIF as well. It can also convert some SWF (flash) files, but currently, not all of them.
If you are looking for a tool to perform conversion the other way around (GIF to Video), give our GIF to MP4 or GIF to WebM converter a try.
Or if you want to make a GIF from multiple images, use our GIF maker instead.
Our PDF file converter does more than convert files to PDF. From compression and rotation to merging two different PDFs and splitting one PDF into two, you can easily edit your PDF files with our suite of tools in the blink of an eye.
The alternating case converter will allow you to transform your text (no matter the current format) into text that alternates between lower case and upper case. It will generate a capital letter and then a lower case letter within the same word.
A catalytic converter is an emissions control device that is installed into the exhaust system on vehicles powered by an internal combustion engine. Catalytic converters reduce toxic pollutants by chemically converting carbon monoxide, unburned hydrocarbons, and oxides of nitrogen into harmless compounds.
The California Air Resources Board issues Executive Orders that exempt specific catalytic converters from anti-tampering regulations and laws. This exemption allows "exempted" (approved) catalytic converters to be used in California and in states that have adopted regulations in Title 13, California Code of Regulations, Section 2222.
A new aftermarket catalytic converter may be installed when the vehicle is beyond its emissions warranty period and a legitimate need for replacement has been established. New vehicles are covered under the federal emissions warranty of 8 years or 80,000 miles and 15 years or 150,000 miles for partial zero emission vehicles (PZEV), whichever comes first. A legitimate need for replacement may be established through the vehicle emissions inspection program. Non-I/M-program-related reasons for replacement may include damage resulting from vehicle accidents, cracked or melted substrate, or converter malfunctions.
If the vehicle is still under the emissions warranty, an OEM catalytic converter must be installed. Aftermarket catalytic converters may only be installed on vehicles beyond the emissions warranty period. You can verify the vehicle's warranty by checking the vehicle owner's manual or warranty booklet, or by contacting an OEM dealership and providing your vehicle identification number (VIN). The vehicle's model year and odometer reading can then be compared to the warranty period and covered mileage.
There may be instances where a CARB certified aftermarket catalytic converter is not available for a particular vehicle model. In these limited instances, the only option may be an OEM replacement part.
There may also be cases where neither a CARB certified aftermarket catalytic converter or OEM replacement catalytic converter is available for a particular vehicle model. This would occur where there are no longer any OEM replacement catalytic converters available (e.g., the make was discontinued), and none of the aftermarket catalytic converter manufacturers has received a CARB Executive Order. Contact CDPHE at (888) 861-2646 as there may be a suitable replacement option for a similar vehicle application.