Data Translation DT3153, Руководство по началу работы

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Chapter 6
52
Synchronously Acquiring a Single Frame to
Memory
To synchronously acquire a single frame to memory, perform the
following steps:
1. If you are using a composite video input signal, connect the video
input signal to channel 0 (VID0_IN). If you are using an S-video
(Y/C) input, connect the Y signal to channel 1 (VID1_IN), and
connect the C signal to the CHROM_IN input.
2. From the DT-Acquire main menu, click Setup , then Select
Device .
3. Select the alias that you gave to the DT3153 board when you
configured the device driver, then click
OK .
4. To get started, leave the remainder of the settings under Setup at
their default values.
5. From the DT-Acquire main menu, click Run , then Single Frame
Acquire! .
A single frame is acquired (synchronously) and displayed on the screen.
6. To acquire another frame, repeat step 5.
7. If you wish, modify the parameters available for the DT3153
board by clicking the desired parameter under
Setup and
changing the associated values, then repeat step 5.
Note: If you change the video input channel, ensure that you
connect the video input signals to the appropriate channel.
8. If you wish, save the graphic by clicking File from the
DT-Acquire main menu, then Save Graphic File .
9. When you are finished with this utility, from the DT-Acquire
main menu, click
Setup and Close Device . Then, close the
application.