Setting The Trigger System. Trigger Function - Promax OS-782 Manual Del Usuario

USER'S MANUAL. OS-782
6. Again, press the OSD OPTION key twice and the screen shows the following:
7. Press the "OSC
Math. Now, look at the display and you will find a screen that looks like the
following Figure 15.
4.13

Setting the Trigger System. TRIGGER Function.

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
selectable are displayed at the bottom of the screen.
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◄ ► Time
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- CHM Zero
" or "OSC " key to adjust the position of the waveform
Figure 15.- Waveform mathematics.
" or "MENU " key to select TRIG MODE and five items
02-2010