GW Instek GDS-1000 Series User Manual - Manual (Page 65)

CONFIGURATION
65
The Auto trigger status appears in the
upper right corner of the display.
Single The oscilloscope acquires the
input signals once when a
trigger event occurs, then
stops acquiring. Pressing the
Single key triggers on the
input signals again. SINGLE
The Single trigger status appears in the
upper right corner of the display.
(Searching) (Triggered)
Normal The oscilloscope acquires and updates
the input signals only when a trigger
event occurs.
The Normal trigger status appears in the
upper right corner of the display.
(Searching) (Triggered)
Video standard
(video trigger) NTSC National Television System Committee
PAL Phase Alternative by Line
SECAM SEquential Couleur A Mémoire
Sync polarity
(video trigger)
Positive polarity
Negative polarity
Video line
(video trigger) Selects the trigger point in the video signal.
field 1 or 2
line 1~263 for NTSC, 1~313 for PAL/SECAM
Pulse condition
(pulse trigger) Sets the pulse width (20ns ~ 200us) and the
triggering condition.