Gw-instek GDS-1000 Series User Manual Manuel d'utilisateur télécharger pdf (Page 64)

GDS-1000 Series User Manual

Trigger

The Trigger function configures the conditions by which the

oscilloscope captures the incoming signals.

Trigger type

Edge

Triggers when the signal crosses an amplitude

threshold in either positive or negative slope.

Video

Extracts a sync pulse from a video format signal

and triggers on a specific line or field.

Pulse

Triggers when the pulse width of the signal

matches the trigger settings.

Indicators Edge/Pulse

(CH1, Edge, Rising edge,

DC coupling)

Video

(CH1, Video, Positive

polarity, NTSC standard)

Trigger parameter

Trigger source CH1, 2

Channel 1, 2 input signals

Line

AC mains signal

Ext

External trigger input

signal

EXT TRI

Trigger mode Auto

The oscilloscope updates the input signal

regardless of the trigger conditions (if

there is no trigger event, the oscilloscope

generates an internal trigger). Select this

mode especially when viewing rolling

waveforms at a slow timebase.

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Gw-instek GDS-1000 Series User Manual Manuel d'utilisateur Page 64