4
Triggering the Oscilloscope
140
•
Line — Trigger on the selected line # (EDTV and HDTV
standards only).
•
Line: Field1 and Line:Field2 — Trigger on the selected line # in
field 1 or field 2 (interlaced standards only except 1080i).
Line: Alternate — Alternately trigger on the selected line # in
•
field 1 and field 2 (NTSC, PAL, PAL-M, and SECAM only).
Vertical — Trigger on the rising edge of the first serration
•
pulse or approximately 70 s after the start of vertical
sync, whichever occurs first (only available in Generic
mode).
Count: Vertical — Counts falling edges of sync pulses;
•
triggers on the selected count number (only available in
Generic mode).
6 If you select a line # mode, press the Line # softkey, then
rotate the Entry knob to select the line number on which you
want to trigger.
7 When using the Generic standard and you select a line #
mode or Count:Vertical, press the Count # softkey and rotate
the Entry knob to select the desired count number.
Listed below are the line (or count) numbers per field for
each video standard.
6000 Series Oscilloscope User's Guide