To implement loop back:
1.
Attach the input signal to an input connector on the
1YDM.
2.
Attach the input side of the external processing device to
an output connector the source input signal can be
switched to.
3.
Attach the output side of the external processing device to
an input connector on the distribution matrix that can be
switched to the final destination.
4.
Make the appropriate switches from the X/Y Control
Panel or from an external controller. Executing a loop
back switch is the same as executing a standard switch;
however, to get the signal to its final destination a
minimum of two inputs must be switched to a minimum
of two outputs.
6.2.0.1
Example of implementing loop back:
In this example, the available signal path is
In: Level 1 Input 1
Out: Level 1 Output 1
In: Level 4 Input 1
Out: Level 4 Output 1
6-4
Chapter 6
figure 6.4 Basic Loop Back implementation
Inputs
Outputs
Source
Signal Processor,
Output Device #1
Final Destination,
Output Device #32
Source
Signal
Pure Signal
from Source
Processed Source
Signal
Processed Signal
Input Device #1
Input Device #32
Output Device #32
Output Device #1
figure 6.5 Loop back example #1
Output
Device #32
Video Text Generator,
Output Device #1,
Input
Device #1
S1
VT
S1
S2
VT
Level 1
Level 2
Level 3
Level 4
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
Outputs
Inputs
From source to
Video Text Generator
From Video Text Generator to
Final destination
