RedHand Scope60MHz
Handheld DSO & DMM
7-Advanced Function of Oscilloscope
４２
figure 37: Waveform Mathematics
7.4 Setting the Trigger System
The Trigger defines the time when the acquisition of data and display of waveform start. If it is set
correctly, the trigger can turn an unstable display into a significant waveform.
When starting the acquisition of data, the oscilloscope collects sufficient data to draw the
waveform at the left side of the triggering point. With waiting for the triggering condition, the
oscilloscope is gathering data continuously. After a trigger is detected, the oscilloscope gathers
enough data continuously to draw the waveform at the right side of the triggering point.
To make a trigger mode setting, do the following:
1.
Press the
MENU
key and the function menu appears at the right of the screen.
2.
Press the
MENU
▲
or
MENU
▼
key to select TRIG MODE and five items selectable are
displayed at the bottom of the screen.
3.
Select and press one from
F1 through F5
key to make a different setting.
4.
Press the
OSC OPTION
key and the following is shown on the screen:
◄
/
►
–
Time
▲
/
▼
–
Trig
5.
Press the
OSC
▲
or
OSC
▲
key to adjust the trigger level position.
Refer to figure38
