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Adjustment Procedure

3. Verify that th

e calibrator is in direct mode by pushing the

lower-bezel

button until 1.0 is selected.

4. Set the calib

rator amplitude as follows:

a. Select the Amplitude ﬁeld using the front-panel tab key

b. Set the voltage speciﬁed by the oscilloscope prompt.

5. Push the ON button and verify that the red light turns on to indicate that

the calibrator output is on.

6. On the oscilloscope, push the OK Do Next Step right-bezel button.

Sine Signal

Complete these s teps to set the calibrator output for a sine wave signal.

1. Push the Sine

front-panel button.

2. Verify t

hat the calibrator is in direct mode by pushing the

lower-bezel

button until 1.0 is selected.

3. Set the

calibrator amplitude as follows:

a. Select the Amplitude ﬁeld using the front-panel tab key

b. Set the voltage speciﬁed by the oscilloscope prompt.

4. Set the calibrator frequency as follows:

a. Select the Frequency ﬁeld using the front-panel tab key

b. Set the frequency speciﬁed by the oscilloscope p rompt.

5. Set

the calibrator output channels and impedance as follows:

a. Push the CHANNEL SELECT lower-bezel button.

b. Select the c hannel(s) speciﬁed by the oscilloscope prompt.

c. Push the LOAD lower-bezel button to highlight either 1MΩ or 50 Ω,as

speciﬁed by the oscilloscope prompt.

d. Push the EXIT lower bezel button.

6. Push the ON button and verify that the red light turns on to indicate that

the calibrator output is on.

7. On the oscilloscope, push the OK Do Next Step right-bezel button.

MSO4000B and DPO4000B Series Digital Phosphor Oscilloscopes Service Manual 15

Tektronix MSO4104B Service Manual

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