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Chapter 5 To Trigger the Oscilloscope
Falling: sets the pattern to the falling edge (
⚫
The corresponding pattern is displayed at the bottom of the screen. The patterns of
channels CH1-CH4 are presented from left to right, as shown in the figure below.
Click the above channel pattern. Then, a virtual keypad is displayed. For example,
click CH2 pattern, then the virtual keypad for setting the channel pattern is displayed,
as shown in Figure 5-6. Click the left arrow key
move the pattern bit. Then select a pattern bit. After the pattern of the current
channel is set completely, the cursor goes to the next pattern bit automatically. Set
them respectively. After all the pattern bits are set completely, click OK to confirm
the setting, and close the virtual keypad. You can also click ALL to apply the current
pattern to all the channels. This key functions the same as the All Bits menu key.
Pattern
Note:
Only one edge (rising or falling edge) can be specified in the pattern. If one
edge item is currently defined and then another edge item is defined in another
channel in the pattern, then a prompt message "Invalid input" is displayed. Then the
latter defined edge item will be replaced by X.
All Bits:
Click All Bits to set the patterns of all channels to the currently selected pattern.
Trigger Mode:
For details, refer to descriptions in "Trigger Mode".
Trigger Parameter Setting:
Set the trigger parameters (trigger holdoff and noise rejection) under this trigger
type. For details, refer to descriptions in "Trigger Holdoff" and "Noise
Rejection".
Trigger Level:
Refer to "Trigger Level". The current trigger level value is displayed at the
upper-right corner of the screen.
DS8000-R User Guide
Figure 5-6 Virtual Keypad for Pattern Setting
) of the channel selected.
or the right arrow key
Confirmation Key
All Bits
Move the cursor to
the left
Move the cursor to
the right
RIGOL
to
5-17
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