Quantum Data 802R Guide de l'utilisateur télécharger pdf (Page 37)

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802BT/802R Video Test Generator User Guide 27

• Composite television formats

• Component standard definition television formats

• Component high definition television

• Computer display formats

• Military and medical display formats

• Miscellaneous formats

When you turn the Format knob, the formats are listed in the order shown above.

Composite television formats

Composite television formats are named by the standards defining them. The first three to

five characters of the format name indicate the color coding scheme. The first set of

characters refers to the standard. The next characters are optional and indicate

adjustments to the format. Examples of these formats are:

• NTSC (North American TV)

• PAL (European TV)

• NTSC-J - (where J refers to a Japan standard per NTSC without 7.5 IRE setup)

• PAL-N (where N indicates 3.58205625 MHz color sub-carrier)

• PAL# (where # indicates that the sampling rate is reduced to achieve square pixels)

Component standard definition television formats

Component SDTV formats are applicable in the case of RGB, YPbPr. These formats are

named by their vertical resolution, scanning method, and frame rate. The initial characters

indicating the resolution are followed by the scanning method. The two characters

following the scanning method indicate the frame rate. A typical example of component

standard or definition TV video format is:

• 480i2x30 (for a vertical resolution of 480 pixels with interlaced scanning and a 30 Hz

frame refresh rate; 2x indicates that the pixels are double-clocked for DVI compatibility).

Component high definition television formats

Component high definition television formats, like the standard definition television

formats, are named by their vertical resolution, scanning method, and frame rate. These

formats are applicable in the case of RGB, YPbPr, and YCbCr. These initial characters

indicating the resolution are followed by the scanning method. The two characters

following the scanning method indicate the frame rate. A typical example of component

high definition TV video format is:

• 1080i30 (for a vertical resolution of 1080 active vertical lines with interlaced scanning

and a 30 Hz frame refresh rate).

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Quantum Data 802R Guide de l'utilisateur Page 37

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