52
Logic Time
8ns~10ns
Set trigger logic time
Notes: Conditions of greater than, smaller than, equal to or not equal to indicating that the error is 6%.
Logic trigger operation steps between channels:
1)
Tap “Trigger” on the main menu to open the trigger menu, select logic trigger in the trigger type, and set
the logic trigger as follows, as shown in Figure 5-20:
⚫
Logic levels: CH1, CH3: High; CH2, CH4: Low; (without reference to the channel of logic operation,
the level selection is None to avoid interference to the logic operation);
⚫
Logic gate: AND;
⚫
Condition: <;
⚫
Logic time: 400ns.
Figure 5-20 Logic Trigger Setting Menu
Logic trigger setting description:
Logic level setting
After trigger source, select High, Low and None for the channel. The corresponding trigger level value is
displayed in the upper right corner of the display screen.
High: means a value higher than the current trigger level, and the icon indication is “
”.
Low: means a value lower than the current trigger level, and the icon indication is “
”.
None: This channel is invalid.
Switch the trigger level channel: Tap the trigger level value shown in the upper right corner.
Logic conditions
1)
True: Trigger when the logic changes to true value
2)
False: Trigger when the logic changes to false value
