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RIGOL Chapter 5 To Trigger the Oscilloscope
5-24 MSO2000A/DS2000A User’s Guide
Even Field: trigger on the rising edge of the first ramp waveform pulse in the
even field.
Video Standard:
Press Standard to select the desired video standard.
NTSC: the field frequency is 60 fields per second and the frame frequency is 30
frames per second. The TV sweep line is 525 with the even field goes first and
the odd field follows behind.
PAL: the frame frequency is 25 frames per second. The TV sweep line is 625
with the odd f ield goes first and the even field follows behind.
SECAM: the frame frequency is 25 frames per second. The sweep line is 625
with interlacing sweep.
480P: the frame frequency is 60 frames per second; the TV sweep line is 525;
line-by-line sweep; the line frequency is 31.5 kHz.
576P: the frame frequency is 60 frames per second; the TV sweep line is 625;
line-by-line sweep.
HDTV: The specified video standards are as follows:
720P: the frame frequency is 60 frames per second; the TV sweep line is 750;
line-by-line sweep; the line frequency is 45 kHz; the field frequencies available
are 60 Hz, 50 Hz, 30 Hz, 25 Hz and 24 Hz.
1080P: the frame frequency is 60 frames per second; the TV sweep line is 1125;
line-by-line sweep; the field frequencies available are 60 Hz, 50 Hz, 30 Hz, 25 Hz
and 24 Hz.
1080I : the field frequency is 50 to 60 fields per second; the frame frequency is
25 to 30 frames per second; the TV sweep line is 1125; interlacing sweep; the
line frequency is 33.75 kHz; the field frequencies available are 30 Hz, 25 Hz and
24 Hz.
Trigger Mode:
Press Sweep and select “Auto”, “Normal” or ”Single”. For the details, please refer to
“
Trigger Mode”. The corresponding status light of the current trigger mode turns
on.
Trigger Setting:
Press Setting to set the trigger parameters (noise rejection) under this trigger type.
Trigger Level:
Use TRI GGER
LEVEL to modify the level. For the details, please refer to the
introduction of “
Trigger Level”.
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