User`s manual

6-33
IM 701610-01E
Triggering
6
Setting the Center Level and Window Width
5. Pressing the Level/Coupling soft key displays a dialog box used to set the center
level, window width, trigger coupling, and HF rejection. (On the DL1620, settings
for CH3 and CH4 are not displayed.)
The Center and Width settings
for each channel can be input
directly using a USB keyboard.
( )
6. Turn the jog shuttle to move the cursor to the channel on which to set the window
center level (Center).
7. Press SELECT to display the center level menu.
8. Turn the jog shuttle to set the center level.
You can use the arrow keys to move between the digits. Pressing RESET sets the
window center level to 0 V.
9. Turn the jog shuttle to move the cursor to the channel on which to set the window
width.
10. Press SELECT to display the window width menu.
11. Turn the jog shuttle to set the window width.
You can use the arrow keys to move between the digits. Pressing RESET resets
the value to the initial value.
Setting the Trigger Coupling and HF Rejection
12. The coupling and HF rejection settings also apply to the A→B(N) trigger. See
section 6.8.
Explanation
This function sets up a window trigger for the CH1 to CH4 ( or CH1 to CH2 for the
DL1620) input signal.
Trigger Condition
• Width trigger
IN: The time during the trigger source enters the window is trigger duration.
OUT:The time during the trigger source exits the window is trigger duration.
• OR trigger
IN: Trigger is activated when the trigger source enters the window (the area between
two preset levels).
OUT: Trigger is activated when the trigger source exits the window.
Width
Trigger is Activated (OR Trigger)
[OUT]
[IN]
Window
Window
Center
Width
Center
Trigger Duration (Width Trigger)
Trigger is Activated
(OR Trigger)
Trigger is Activated (OR Trigger)
Trigger Duration (Width Trigger)
6.13 Setting the Window Trigger (ENHANCED)