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2.8 Trigger System
The trigger determines when the oscilloscope starts to acquire data and display a
waveform. When a trigger is set up properly, the oscilloscope converts unstable
displays or blank screens into meaningful waveforms.
Here are three buttons and one Knob in the Trigger area. Showing as Picture.2-29:
Picture 2.8-1
■
“
TRIG MENU” Button:
Press the “TRIG MENU” Button to display the “Trigger
Menu”.
■
“LEVEL” Knob:
The LEVEL knob is to set the corresponding signal voltage of
trigger point in order to sample. Press the “LEVEL” knob can set trigger level to
zero.
■
“SET TO 50
％
” Button:
Use the “SET TO 50%” button to stabilize a waveform
LEVEL knob
Summary of Contents for SDS1000 Series
Page 146: ...138 Coupling DC...
