Racal Instruments 3156B, Руководство пользователя

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3156B User Manual
Using the Instrument 3-36 Racal Instrument © 2005
Figure 3-10 WaveCAD Example of Digital Programming
Using the Video
Stroke Generator
The 3156B can generate two types of video stroke characters:
Standard characters, from a built-in library, or user characters that can
be loaded to the generator the same way as arbitrary waveforms are
loaded. The inter-channel dependencies and run mode rules apply to
the video stroke generator as well. The legal conditions that are
available for both channels if one is producing video characters are
summarized in Table 3-1.
To first step to place the instrument in video mode. Since video
requires that both channels generate characters, the only function call
to use for placing the 3156B in video stroke mode is the following:
ri3156b_set_common_waveform_mode ()
The next step after placing the generator in video mode is to select the
character type. If you want to use one of the 10 standard characters
that are built in the 3156B, use the following function call:
ri3156B_set_video_character ()
There are 10 options available: Cross locator, Cross hair, Positioned
square, Vertical marker line, Horizontal marker line, Right hand arrow,
Left hand arrow, Diamond overlay, Inverted triangle and upright
triangle. The following parameters are available for video stroke
programming: Point-stroke frequency, Offset start and stop range,
Offset step and circulation mode.