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8150 Technical Guide
If the internal DVE board is not installed, you can have up to two external
DVEs connected to the 8150 for effects looping purposes, although you
can perform only one Effects Loop at a time. For routing purposes, a
DVE connected to Aux 1 and 2 is called DVE 1, and a DVE connected to
Aux 3 and 4 is called DVE 2.
If the internal DVE board is installed, the Aux 1 and 2 outputs are still
available for effects looping, while the Aux 3 and 4 output may be used
for effects looping if the internal DVE does not require its texture inputs
to be retimed. See the description of the Engineering menu
Miscellaneous submenu later in this section for more information on
Aux 3/4 output timing and DVE texture input timing interaction.
For effects looping to work correctly, the Aux 1 output must be
connected to the Video input of DVE 1, and the Aux 2 output must be
connected to the Key input of DVE 1. If you are using a second DVE, or
are using a single DVE with Aux 3 and 4, the Aux 3 output must be
connected to the Video input of DVE 2, and the Aux 4 output must be
connected to the Key input of DVE 2. Toggle the Effects Loop Inputs
softkey to select DVE 1 or DVE 2. Note that connections other than these
will not produce the desired result.
If you are using two external DVEs, you may also be using a combiner
to composite the DVEs together before re-entering them into the 8150 as
a single video and key source. In this case, the DVEs typically must be
zero timed to each other. This may not be the case, however, when one
DVE is locked to the 8150 main Aux Ref output and the other is locked
to the Aux Ref 2 output. The Combiner pushknob lets you force all four
Aux outputs to the timing of the Aux output with the largest delay. This
zero times all Aux outputs and their related Aux Ref outputs with each
other.
Use the DVE Video Input pushknob to select the 8150 input to which
the selected DVE video output is connected. This allows it to be retimed
properly when using it in an Effects Loop.
Use the DVE Key Input pushknob to select the 8150 input to which the
selected DVE key output is connected. This allows it to be retimed
properly when using it in an Effects Loop.
Use the Combiner pushknob to select relative Aux output timing.
Combiner Off is the default state, which lets the Aux 1 and 2 outputs
9100-0212-04 - May 2000
NOTE: If you are using the video and key outputs of a
combiner, you must select its video and key outputs as
either the DVE 1 or DVE 2 video and key inputs, but not
both; the other DVE input settings should remain at 0 for
both video and key.
Engineering Menu
Engineering Setup
5-5
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