User Manual

56
(line value)/3
3
(line value)/4
4
(line value)/5
5
(line value)/6
6
(line value)/7
7
(line value)/8
8
The table below takes Of Lines as 800 as an example to explain the relation between Of Lines, Of
Fields, Interlace, Trigger Line and Trigger Field.
Of Lines
Of Fields
Interlace
Trigger Line
Trigger Field
800
1
1:1
800
1
800
1, 2, 4 or 8
2:1
400
1, 1-2, 1-4, 1-8
800
1, 2, 4 or 8
4:1
200
1, 1-2, 1-4, 1-8
800
1, 2, 4 or 8
8:1
100
1, 1-2, 1-4, 1-8
6. Press the Sync softkey to select Any or Select trigger mode.
Any: Trigger on any of the horizontal sync pulses.
Select: Trigger on the line and field you have selected. Press the Line or Field softkey;
then turn the Universal Knob to set the value.
The following table lists the line numbers per field for each video standard:
Standard
Field 1
Field 2
NTSC
1 to 262
1 to 263
PAL
1 to 312
1 to 313
HDTV 720P/50, HDTV 720P/60
1 to 750
HDTV 1080P/50, HDTV 1080P/60
1 to 1125
HDTV 1080iP/50, HDTV 1080i/60
1 to 562
1 to 563
The following exercises will help familiarize you with video triggering.
Trigger on a Specific Line of Video
Video triggering requires greater than 1/2 division of sync amplitude with any analog channel as
the trigger source.
The example below sets the oscilloscope to trigger on field 2, line 124 using the NTSC video
standard.
1. Press the Setup button on the front panel to enter the TRIGGER menu.