Models AC600A, AC601A, AC602A
8
Figure 5
3. Configuration & Operation
The Model AC602A Mini-CAT5 Receivers
are equipped with an adjustment to improve
image quality when using long cables. The
adjustment is made via a single turn trim-pot
located next to the power connector on the
side.
When using a long cable, with no
compensation, any solid horizontal line, tends
to smear to the right. For example in the
image shown on the right, observe the dark
black line at the bottom of the window and
see how it is smearing to the right (not
changing to white abruptly as it should). This
is the effect of long cable on the signal.
You can turn the trim-pot to eliminate these
streaks as shown on the 2nd picture. If you
add too much compensation to the signal,
then an opposite effect may be observed, i.e.
black lines smear to the right as white lines or
vice-versa. The 3rd picture shows the case
where too much compensation is added.
When using long cables, the image quality is
a function of resolution and refresh rate.
Lower resolution or refresh rate, result in best
picture. Therefore it is best to set the refresh
rate to 60 Hz at any resolution.
No-Compensation
Perfect Compensation
Too much Compensation
