Datasheet

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GDS-2000A Series User Manual

132

Select Waveform Update Mode

Background

The display update mode is switched

automatically or manually according to the

timebase and trigger.

Normal

Updates the whole displayed waveform at

once. Automatically selected when the

timebase (sampling rate) is fast.

Timebase

≤50ms/div

Trigger

all modes

Roll Mode

Updates and moves the waveform

gradually from the right side of the

display to the left. Automatically selected

when the timebase (sampling rate) is slow.

Timebase

≥100ms/div

Trigger

all modes

Roll mode

Select Roll Mode

Manually

1. Press the Trigger Menu key.

Menu

2. Press Mode from the bottom menu

and select Auto (Untriggered Roll)

from the side menu.