Extron electronic PA 300 - Manual (Page 12)

PA 300 Peaking Amplifi er • Adjusting the Display
Adjusting the Display, cont’d
3-4
PA 300
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.
A
Appendix A
Specifi cations, Part Numbers,
and Accessories
Specifi cations
Parts