Extron Electronics RGB 164xi User Guide - Manual (Page 12)

RGB 130xi xi xi xi xi, 134xi xi xi xi xi, 160xi xi xi xi xi, 164xi xi xi xi xi • Controls and Installation
Controls and Installation, cont’d
RGB 130xi xi xi xi xi, 134xi xi xi xi xi, 160xi xi xi xi xi, 164xi xi xi xi xi
Pin 1 to Pin 2 Pin 2 to Pin 3
J19
1
J40
1
J20
1
Front
Rear
Power Supply
J20: Sync polarity
jumper
J40: Vertical sync
width jumper
Figure 2-19 — Circuit board jumper locations
Figure 2-20 — Changing jumper settings
J40: Vertical sync width jumper — This jumper adjusts the
vertical sync pulse width. Some digital display devices
have very specific requirements for incoming sync pulse
width. If no picture displays, the picture cuts in and out,
or the picture is scrambled, try adjusting the vertical sync
pulse width or switching from ADSP™ to DDSP™.
• If the jumper is placed on pins 1 and 2, the output vertical
sync pulse is short (narrow).
• If the jumper is placed on pins 2 and 3, the output vertical
sync pulse is wide. This is the default setting.
5 . Replace and fasten the enclosure cover, reversing step 2.
Wide
Short
1
A
Appendix A
Specifications, Part Numbers,
and Templates
Specifications
Accessories and Part Numbers
Mounting Templates
2-14