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Adjustment Procedures
TDS 684A, TDS 744A, & TDS 784A Service Manual
5–11
Figure 5–2: Hookup for Probe Compensation
a. Hook up test-signal source: Install the optional-accessory probe to CH 1.
Connect the probe tip to PROBE COMPENSATION SIGNAL on the
front panel; connect the probe ground to PROBE COMPENSATION
GND.
b. Initialize the oscilloscope:
H Press save/recall SETUP.
H Press the main-menu button Recall Factory Setup.
H Press the side-menu button OK Confirm Factory Init.
c. Modify the initialized front-panel control settings:
H Press AUTOSET. Set the horizontal SCALE to 250 ms.
H Press SET LEVEL TO 50% as required to trigger the signal.
H Press SHIFT; then press ACQUIRE MENU.
H Press the main-menu button Mode. Then press the side-menu button
Average 16.