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Behavior. The coding format determines which standards are available as well as other parameters, such as trigger threshold

and pulse form. The standard selected determines the bit rate. Changing the bit rate causes the standard to change to your own

customized standard.

What do you want to do next?

Learn about Communication Trigger Pulse Form.

Go to the Communication Trigger control window.

Select the comm trigger pulse form

From the Trig menu, select Comm Setup.

Overview. Pulse Form directs the instrument to trigger on a voltage change from the prior bit. This can be positive, negative, or

neutral if there was no change.

Depending on the code used, the pulse form can also indicate that triggering is to occur on an eye diagram.

To use. Click the pulse form you want the instrument to use for triggering:

■

1 triggers the instrument on a positive pulse form.

■

0 triggers the instrument on a neutral pulse form.

■

-1 triggers the instrument on a negative pulse form.

■

Eye triggers the instrument on an eye diagram.

Behavior. The available pulse forms are determined by which code is used for the signal. For example, the only pulse form

available for NRZ codes is eye diagram.

What do you want to do next?

Learn about Communication Trigger Coding.

Go to the Communication Trigger control window.

Oscilloscope reference

748 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series

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