Altera Audio Video Development Kit, Stratix IV GX Edition Uživatelský manuál Strana 43

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Chapter 6: Board Test System 6–21
Using the Board Test System
© November 2009 Altera Corporation Audio Video Development Kit, Stratix IV GX Edition User Guide
The following sections describe the controls on the SDI HSMC - Video tab.
Pattern Generator
The SDI HSMC has two transmitter channels (CH1 Tx and CH2 Tx) and two receiver
channels (CH1 Rx and CH2 Rx). When a receiver channel has valid video input, the
corresponding transmitter channel transmits the input video stream. When no valid
video input is present, the each transmitter outputs a video pattern based on the
following settings:
Pattern—Specifies the test pattern to output to the monitor. The following choices
are available:
Color bar—Specifies a video color bar pattern with eight vertical color bars.
(Refer to Table 6–2)
Pathological—Specifies a video color bar pattern with two horizontal color
bars that stresses the receive PLL.
Figure 6–11. The SDI HSMC - Video Tab
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