Agilent Technologies U1602A User's And Service Manual page 75

Pulse Trigger
Pulse trigger sets the instrument to trigger on a positive or negative pulse
of a specified width. A pulse trigger occurs when a pulse is found in a
waveform that matches the pulse definition. You can set the pulse width
using the Condition function in the submenu.
To set the pulse trigger, do the following:
1 Press
2 Press F1 to select the pulse trigger type from the pull- up list.
3 The submenu of pulse trigger is displayed concurrently after this
4 The submenu of pulse trigger includes:
Agilent U1602A/U1604A User's and Service Guide
• ECL trigger level sets the trigger level to recognize the High/Low
condition in an ETL signal automatically.
• Set to 50% trigger level sets the trigger level to the center of the
High/Low value of the waveform currently displayed. This setting
is useful when the trigger level is beyond the display.
button at the front panel to access the Trigger type menu.
selection.
• Source
Press F2 on page 1/2 to select channel source for the trigger. The
channel you select is shown in the trigger status line at the right of
the display.
• Level
Press F3 on page 1/2 to select the types of trigger level adjustment.
• Manual trigger level allows you to change the trigger level by
turning the rotary switch. The value of the trigger level is
displayed under the Level column.
• TTL trigger level sets the trigger level to recognize the High/Low
condition in a TTL signal automatically.
• ECL trigger level sets the trigger level to recognize the High/Low
condition in an ETL signal automatically.
Using the Scope Functions 3
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