GW Instek GDS-200 Series User Manual - Manual (Page 71)

OPERATION
71
When Pulse width (10ns - 10s)
Standard NTSC National Television System
Committee
PAL Phase Alternate by Line
SECAM SEquential Couleur A Memoire
Trigger On Field1 Sets the trigger point to a line on
field1 (odd).
Field2 Sets the trigger point to a line on
field2 (even).
All Fields Trigger on all fields.
All Lines Trigger on all lines.
Trigger Mode
Background The trigger mode can be set to Normal or Auto
(untriggered roll). The triggering mode applies
to all the trigger types. See page 69.
From the Trigger menu, set the Mode to Auto
or Normal.