JVCKENWOOD 33101210 HF Transceiver with Scanning Receiver User Manual

JVC KENWOOD Corporation HF Transceiver with Scanning Receiver 0 Front page

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Users Manual 2

449 SPECIALIZED COMMUNICATIONSSLOW SCAN TV/ FACSIMILESlow-scan Television (SSTV) is a popular applicationfor transmitting still images over the air, from onestation to another. Instead of trying to describe yourstation, simply showing it is much faster. Transmittingimages over the air requires a scan converter,besides a transceiver. A scan converter transformsimages taken with a video camera into audio signalsthat can be fed into your transceiver. The recipient’sscan converter transforms audio signals back intovideo images so that he or she can view them on aTV set.Nowadays instead of a scan converter, many hamsuse a personal computer, a software application, andan interface attached to the transceiver. This is muchcheaper, more flexible, and does not require a TV set.In recent years, many low cost digital cameras havebecome available. You can transfer images fromthese cameras into your computer.For further information, consult reference books aboutAmateur Radio. The frequencies (measured in kHz)commonly used for SSTV operation are listed below:adanaC/.A.S.U 1noigeRURA )acirfA/eporuE(7583,54830473~037317175407~530733241,0324153241~522410431254312~533120868258682~57682005541—Fax (facsimile) is one of the original imagetransmission modes. Using this mode allows you toexchange more detailed graphics than SSTV.Amateur Radio fax functions much like old analog faxsystems. It scans paper and converts acquiredimage data into a series of tones representing whiteand black portions of the image. Because faxrequires longer transmission time, you should use itonly when band conditions are stable with strongsignals.Popular fax frequencies include the following:• 7245, 14245, 21345 (International Net), and28945 kHzOperating on SSTV or fax mainly involves learningthe functionality of your computer application oraccessory hardware that supports these modes.Consult the instruction manual that comes with yoursoftware or accessory equipment.Note: When operating either SSTV or fax, use a fast AGC settingand switch OFF your Speech Processor, for best results.
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Document ID366487
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Document DescriptionUsers Manual 2
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Document TypeUser Manual
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Date Submitted2003-10-20 00:00:00
Date Available2003-10-20 00:00:00
Creation Date2003-10-03 13:15:11
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