Specifications

7700/7800 MultiFrame Manual
7700ACO2-HD Dual HD/SD-SDI Smart Automatic Changeover
Revision 1.0 Page - 47
6.4.1.9. GPI
The GPI combo box sets whether or not the GPI’s control the output video routing. Table 6-7 describes
the options and their function:
Mode 1
The GPI states control the output video routing, bypassing
manual or automatic control. A LOW GPI will select Video 1,
a HIGH GPI will select Video 2.
Mode 2
The opposite of Mode 1. The GPI states control the output
video routing, bypassing manual or automatic control. A
LOW GPI will select Video 2, a HIGH GPI will select Video
1.
Mode 3
Sets the GPI’s as a global control. GPI1 will switch to Input 2
on both ACO paths, GPI2 will switch to Input 1 on both ACO
paths. If one of the paths is not set to Mode 3, it will not
switch.
Mode 4
The same as Mode 1, but if in Auto Switch (Back) mode, the
unit will switch if the input selected by GPI is lost.
Mode 5-6
Not used
Disable
The GPI’s are not used.
Table 6-7: GPI Menu Options
6.4.1.10. Loss of Video Control
The Loss of Video Control combo box sets the output colour when a source with no video is routed to
the output. The available choices are Black and Blue.
6.4.1.11. Video Proc Control
Under the Video Proc Control sub-box, there are controls to adjust the Black, Luma and Chroma Levels
and the Hue (SD Only) on the output video.
6.4.1.12. Display Screen
The Display Screen combo box sets trouble-slide to use when the router video format is in fault. The
options are Disable or Screen’s 1 to 10.
6.4.1.13. Video Standard – Input 1
The Video Standard – Input 1 text field displays the currently detected video standard on the A input.
This field will show Unknown if the detected format is not valid.
6.4.1.14. Video Standard – Input 2
The Video Standard – Input 2 text field displays the currently detected video standard on the B input.
This field will show Unknown if the detected format is not valid.