EZ Digital OS-3060D Especificações descarregar pdf (Página 30)

3. Method using probe for oscilloscope

Using a probe is most preferable to any other alternatives when

performing the measurement onto circuits.

The

probes arc available

with IX (direct c

onn

ection) position

and

lOX (attenuation) position.

As thc i

npu

t signal att

enuat

es by 1/10 with the input impedance of

osc

illoscope with probe increased at lOX position, measurement unit

(VOLT/ OIV) must be multiplied by ten (10). (e.g. it becomes 50mV X

10 = 0.05V in 50mV/OIV). As the probe

oscilloscope also uses

shielded wires, it

can

prevent

hum

and noise.

When

you intend to

perform the measurement by using the coaxial cable, you s

uld

exactly know the source impedance, the highest frequency involved,

and the

capac

itance

the cable, etc,

If any of these factors are

unkn

own, use a 10 X probe.

2-2-2. Adjustment during initial operation

measurement

OFF

(released)

Fully counterclockwise

Mid

20mV

In the middle

and

pushed in

Fully clockwise

and

pushed in

CH I

0.5

111

Fully clockwise

and

pushed in

Mid

AUTO

CHI

Mid

NORM

(max. CCW)

to the power connector [8J.2. Co nnect the power cord

Comply with the following procedure before conducting the

I. Adjusting knob is as follows

OWER

SWITCH [ iJ

INTEN

CONTROL

[3J

FOCUS CONTROL [4J

C-GNO-OC

SWITCH [ 11,12J

VOLT

/OIV

SWITCH [ 13,14J

VERTI

CAL

POSITION

CONTROL [ 17,18J

VARIABLE

CONTROL

[ 15,16J

MOD

E S

WIT

CH [ 19J

TIME

/OIV

[22J

TIME VARIABLE (25)

HORIZONTAL

POSITION [26J

TRI

GGER

MODE

[27J

TRIGG

ER SOURCE [28J

TRI

GER

LEVEL [30J

OLD

[29J

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 113 114

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EZ Digital OS-3060D Especificações Página 30

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