47
Press the “When” option button to select “
”
、
“
”
、
“
”
、
“
”
、
“
”or“
”
。
3. Set up pulse width
Turn the “Universal” knob to set up width.
■
Video Trigger
：
Trigger on fields or lines of standard video signals.
Table 2-17 Functional Manu of Video Trigger 1:
Picture 2.8-5
Table 2-18 Functional Manu of Video Trigger 2:
Option Setting
Instruction
Type
Video
When you select the video type, put
the couple set to the AC, then you
could trigger the NTSC,PAL and
SECAM video signal.
CH1
CH2
CH3
CH4
Select the input source to be the trigger
signal.
Source
EXT
EXT/5
Ext and Ext/5 use the signal applied
to the EXT TRIG connector as the
source.
(Normal
)
Normal triggers on the negative edge
of the sync pulse.
Polarity
(Inverted)
Inverted triggers on the positive edge
of the sync pulse.
Sync
Line Num
All lines
Odd field
Even Field
Select appropriate video sync.
Next
Page
Page
1/2
Enter the second page of
“Video trigger menu”.
Option Setting
Instruction
Type
Video
When you select the video
type, put the couple set to the
AC, then you could trigger the
NTSC,PAL and SECAM video
signal.
Standard
NTSC
Pal/Secam
Select the video standard for sync
and line number count.
Mode
Auto
Use this mode to let the acquisition
free-run in the absence of a valid
trigger; This mode allows an
untriggered, scanning waveform at
Summary of Contents for SDS1000 Series
Page 146: ...138 Coupling DC...
