User manual

Digital Storage Oscilloscope 29
Care", the oscilloscope will not trigger.
: Set the pattern to the rising edge of the channel selected.
: Set the pattern to the falling edge of the channel selected.
: Set the pattern to the rising or falling edge of the channel selected.
5. Press the Level softkey to set the trigger level. For the analog channels, the trigger
level of each channel needs to be set independently. For example, set the trigger level
of CH1. Press Level softkey to select CH1, and then use Trigger level knob to modify
the level. Press Pattern softkey to set the trigger level for other source.
2.7.8 Interval Trigger
Trigger when the time difference between the neighboring rising or falling edges meets
the time limit condition (<, >, !=, =).
To set interval trigger:
1. Press the [Trig Menu] button on the front panel to enter the Trigger system function
menu.
2. Press the Type softkey, then use the Universal Knob to select Interval and push
down the knob to confirm.
3. Press the Source softkey, turn the Universal Knob to select CH1~CH4 as the trigger
source.
4. Press the Slope softkey to select rising or falling edge.
5. Press the When softkey, turn the Universal Knob to select desired condition.
 < (less than a time value): trigger when the positive or negative pulse time of
the input signal is less than the specified time value.