Tus neeg siv phau ntawv

- 40 -
Windows Trigger
Provides a high and a low trigger level, whereby the oscilloscope triggers when a signal passes through the
high or low trigger level.
In Windows trigger mode, the setting information is displayed at the bottom right of the screen, e.g.:
indicates that the Windows trigger on CH1 has been selected with positive polarity
and the difference between the up-level and low-level threshold is 0.00mV.
Windows Trigger Menu:
Menu
Setting
Description
Trigger mode
Windows
Set Vertical Trigger Type as Windows Triggering
Source
CH1
CH2
Channel 1 as trigger signal.
Channel 2 as trigger signal.
Threshold
Up Level
Low Level
Select the level setting with the Multi ( ) rotary knob or
tap +/- via touch screen for threshold setting
Condition
Polarity
Positive polarity: The unit triggers on the positive Windows
pulse.
Negative polarity: The unit triggers on the negative
Windows pulse.
Enter: Triggers when the signal enters the specified trigger
level range.
Exit: Triggers when the trigger signal leaves the specified
trigger level range.
Time: Triggers when the hold time is greater than the
Windows time. Available is 30ns to 10s. Default setting is
100ns
Fashion
Holdoff
Car
Normal
Single
Holdoff
Reset
Capture waveform even if no trigger occurs
Capture waveform when a trigger occurs.
When trigger occurs capture a wave and then stop it
100ns~10s, use the Multi ( ) knob to set the time interval
before another trigger occurs.
Set the holdoff time as 100ns.