190 6000 Series Oscilloscope User’s Guide
4 Triggering the Oscilloscope
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).
Vertic al — Tr igger on the rising edge of the first serration
pulse or approximately 70µs after the st art 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).
6If 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.
7When 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.