Rigol DS1104B Guia do Utilizador descarregar pdf (Página 65)

RIGOL

User’s Guide for DS1000B Series

2-35

Video Trigger

Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard

video signals. Trigger coupling preset to DC. Press MENU→Mode→Video to enter the

following menu.

Figure 2-42 Table 2-24 The Video Trigger menu (Page 1/2)

Settings

Comments

Source

CH1

CH2

CH3

CH4

EXT

EXT/5

Selects CH1 as trigger source.

Selects CH2 as trigger source.

Selects CH3 as trigger source.

Selects CH4 as trigger source.

Select EXT TRIG as trigger source.

Select EXT TRIG/5 as trigger source.

Polarity

Triggers on positive going sync pulses.

Triggers on negative going sync pulses.

Sync

All Lines

Line Num

Odd field

Even field

Trigger on all lines.

Trigger on a specified line.

Select to trigger on odd field.

Select to trigger on even field.

Figure 2-43 Table 2-25 The Video Trigger menu (Line Num, Page 2/2)

Settings

Comments

Line Num

< Line sync >

Select the specified line number for

sync.

Standard

PAL/SECM

NTSC

Select Video standard.

Sweep

Auto

Normal

Single

Acquire waveform even no trigger

occurred.

Acquire waveform when trigger

occurred.

When trigger occurs, acquire one

waveform and then stop.

Set Up

To go to set up menu, see Table 2-36.

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 165 166

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