TAS 200 Series Adjustment Procedures
Bench Test Instruments and Handheld Oscilloscopes Basic Service
29
3. Rotate the front panel HORIZONTAL POSITION control to move the dot to
the display center. Rotate the INTENSITY control to give the dot a sharp
edge.
4. Adjust VR604 on the Power and High Voltage board and the oscilloscope
front panel FOC US control until the dot becomes circular. See Figure 7 for
the adjustment location.
5. Set the front panel HORIZONTAL X-Y push switch to the out position.
6. Repeat steps 1 through 5 for best performance.
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