beautypg.com

GW Instek GDS-1000A Series User Manual User Manual

Page 82

background image

GDS-1000A Series User Manual

82

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 again will repeat
the process.

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)

Holdoff

The holdoff function defines the waiting period
before GDS-1000A starts triggering again after a
trigger point. The Holdoff function ensures a
stable display.

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