A SERVICE OF

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PA 300 Peaking Amplier • Adjusting the Displa
Adjusting the Display, cont’d
3-4
When the LF is under adjusted, the streaking is the inverse
color of the image, as shown below.
The potentiometer should be adjusted midway between
these two extremes.
3. Adjust the HF potentiometer until both text and icon
images appear sharp. When HF is over adjusted, ghosting
may appear, as illustrated below.
When the HF is under adjusted, smearing may appear, as
shown below.
The potentiometer should be adjusted midway between
these two extremes.
4. Alternate between adjusting the HF and LF potentiometers
until the display shows a clear and sharp image.