Rigol DS2000 Series Guía de usuario Pagina 100

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RIGOL 5 To Trigger the Oscilloscope
DS2000 User’s Guide
5-24
PAL: the frame frequency is 25 frames per second. The TV sweep line is 625
with the odd field 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.
HDTV: HDTV consists of 480P, 576P, 720P, 1080P and 1080I display formats.
The specified video standards are as follows:
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.
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 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 to select the Trigger Mode (page 5-3) under this trigger type as auto,
normal or single. The corresponding status light of the current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameter (noise rejection) under this trigger type.
Trigger Level:
Use TRIGGER
LEVEL to modify the level. For details, please refer to the
description of
Trigger Levelon page 5-9.
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