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175A - HP Archive

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Section 111 Model <strong>175A</strong><br />

Figure 3-4<br />

@-<br />

UNDERCOMPENSATED<br />

CORRECTLY COMPENSATED<br />

OVERCOMPENSATED<br />

1. Set SWEEP TIME to 0.5 MSEC/MC. 7. Connect probe to vertical INPUT and touch<br />

tip to 10 VOLTS CALIBRATOR.<br />

2. SetHORIZONTAL DISPLAY to INT SWEEP XI.<br />

8. Ioosen knurled locknut behind rear flange of<br />

3. Set TRIGGER SOURCE to INT. test probe.<br />

4. Set SWEEP MODE to PRESET.<br />

9. Holding vinyl sheath behind locknut, rotate<br />

rear flange to obtain correctly compensated<br />

5. Set TRIGGER LEVEL to 0.<br />

square wave illustrated above.<br />

6. Set SENSITIVITY to 0.2 VOLTS/CM. 10. Tighten locknut without changing adjustment.<br />

Figure 3-4. Probe Compensation<br />

3-4 01526-2

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