EZ Digital OS-3060D Specifiche Scaricare il pdf (Pagina 25)

[27J

TRIGGER

MODE

AurO

NORM

TV-V

TV-H

[28J

TRIGGER

SOURCE

CHI

CH2

LINE

EXT

Selects the sweep triggering mode.

The sweep

occur

s automatically.

When

there is a triggering signal, the sweep

triggered normally is obtained

and

the

wavef

orm

stops.

Where there is no signal

and

the trigger IS

not

made, the sweep still occurs

automatically.

This

position is convenient in

general use.

Triggered sweep

can

be obtained, but when

there is no triggering signal

and

triggering

is not made, then the sweep does not occur,

then the sweep does not occur.

This

mode is

effective w

hen

the effective triggering is

desired to be

done

in a low frequency (approx.

25Hz or less) .

Being used for measuring a composite video

signal in a frame

unit

This

one

is used for measuring a composite

vedeo signal in a

scanning

line unit.

This

can

select the convenient portion

of

the

trigger source.

It

can

select the

CH

I as the trigger source

when there is a signal on CH

l.

This

can

select the

CH2

as the trigger source

when there is a signal

on

CH2

.

Thi

s

one

is used for observing a signal which

is triggered

on

the frequency of AC power.

It

can

also stable observe components derived

from the power in which a measuring signal

IS

contained.

External signal becomes the source of

triggering signals.

And

this

one

is used when

making a triggering regardless of the size of

signals

of

vertical axis.

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