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8150 Technical Guide
DVE Effects Loop Inputs must be the video and key outputs of the video
combiner, and the other pair of DVE Effects Loop Inputs must remain
set to 0.
In any Effects Loop mode, the DVE video and key re-entries are not
correctly timed for use as direct sources in the 8150. They are timed
properly only for the processor (M/E or PGM/PST/DSK) from which
they are currently being fed.
Connect and set up effects looping as follows.
STEP 1:
STEP 2:
STEP 3:
STEP 4:
9100-0212-04 - May 2000
For effects looping purposes, the Aux outputs and external
DVE inputs must be connected as follows if using Aux 1 and
2:
Aux 1 to DVE 1 Video input
Aux 2 to DVE 1 Key input
If you are using a second DVE or using the Aux 3 and 4
outputs to feed a single external DVE:
Aux 3 to DVE 2 Video input
Aux 4 to DVE 2 Key Input
Connect the main Aux Ref output to the DVE 1 reference
input. If you are using two DVEs, connect the Aux Ref 2
output (from the Aux 3 and 4 option module) to the DVE 2
reference input. If the DVE(s) need to also have house
reference because they are shared with other devices or
suites, you may need a reference patching or switching
arrangement. This is because the DVE is delayed by two lines,
18 lines, or 34 lines from house reference when Aux Ref or
Aux Ref 2 is the DVE reference.
Press the Input softkey in the Engineering menu. Press the
Effects Loop Inputs softkey and highlight DVE 1. (The DVE
2 selection is used only with the optional Aux 3 and 4 outputs
described later.)
Using the DVE Video Input and DVE Key Input pushknobs,
select the physical input numbers (not the crosspoint
numbers) to which the DVE video and key outputs are
connected.
Effects Loop Processing
Engineering Setup
5-81
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