Tektronix CSA8000B Manual do Utilizador descarregar pdf (Página 47)

100

101

Incoming Inspection

CSA8000B & TDS8000B User Manual

1-29

d. Push the channel button for the channel you connected to in step 2. S ee

Figure 1--12 on page 1--29. The button lights and the channel display

comes on.

e. Turn the Vertical SCALE knob to set the vertical scale to 20 mV/div.

The channel scale readout is displayed in the Control bar at the bottom

of the graticule.

Channel

buttons

Figure 1- 12: Channel button location

4. Set the time base: Set the Horizontal SCALE to 1 s/div. The horizontal

scale readout is displayed in the Control bar at the bottom of the graticule.

a. Set the display for Normal and Show Vectors (enable). See To Set

Display Styles on page 3--68.

b. Rotate vertical OFFSET knob counterclockwise so that the base of the

square wave is about 2 divisions below the center graticule.

NOTE. Otherwise, no vertical trace will be seen for rise and fall.

5. Verify that the Main time base operates: Confirm the following statements

are true:

H One period of the internal clock signal (a square wave) is about five

horizontal divisions on-screen. See Figure 1--13 on page 1--30.

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 353 354

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Tektronix CSA8000B Manual do Utilizador Página 47

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