Extron electronic PA 300 Specifications, Part Numbers and Accessories, Specifications Parts

Adjusting the Display, cont’d

When the LF is under adjusted, the streaking is the inverse color of the image, as shown below.

The potentiometer should be adjusted between these two extremes.

3.Adjust the HF potentiometer until both text and icon images appear sharp. When the 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 between these two extremes.

4.Alternate between adjusting the HF and LF potentiometers until the display shows a clear and sharp image.

PA 300

AAppendix A

Specifications, Part Numbers,

and Accessories

Specifications

Parts

3-4 PA 300 Peaking Amplifier • Adjusting the Display