B&K Precision 2552-2559 - Manual User Manual

Page 57

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57

Figure 32 - Video Trigger Screen

Table 19 - Functional Menu of Video Trigger 2

Option

Setting

Description

Type

Video

Select the video type

trigger. Set the coupling to

AC to trigger the NTSC,

PAL and SECAM video

signal.

Standard

NTSC

Pal/Secam

Select the video standard for sync

and line number count.

Mode

Auto

Use this mode to let the

acquisition free-run in the absence

of a valid trigger. This mode

allows an untriggered, scanning

waveform at 100 ms/div or slower

time base setting.

Normal

Use this mode when you want to

see only valid triggered

waveforms. When you use this

mode, the oscilloscope does not

display a waveform until after the

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