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Combining – Grass Valley 4300 Krystal Reference Manual v.3.1 User Manual

Page 254

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11-18

Krystal 4300 Reference

Section 11 — Input/Output Menu

Because only two signals are combined at a time, intermediate stages are
required for four channel combining. Each stage has one channel input,
and one other input from a previous stage. Stage 1 is the final output stage,
Stage 2 is the intermediate stage, and Stage 3 is the initial stage. Stage 3
actually has two channel inputs, since there are no previous stages. For sim-
plicity, the two inputs to each stage (including Stage 3) are called Channel
(Chan) and Prev (Prev).

The currently selected Mix Mode of each stage is indicated on the screen
with

N

(Normal),

D

(Depth), and

V

(Variable). When a stage is set to Variable

the numbers of the layering selections are also displayed.

Combining

When the Camera channel is delegated, the following functions are avail-
able.

Press

MODIFY

to select

COMBINING

, and select a combining stage by pressing

MODIFY STAGE

. You can now assign a combining method to that stage by

pressing

MIX MODE

. Each stage can be given a different mix mode. Soft knobs

controls on the right are associated with each stage. The parameters con-
trolled by these knobs varies depending on the mix mode selected.

NORMAL

— Allows simple mix control of the source channel’s input over the

previous stage’s output (or the lower priority input channel to the first
stage).

MIX LEVEL

— determines if only the Channel (0 Mix Level), or only the

Previous (100 mix level), or a mix of the two selections (intermediate
levels) will be output where the input key signals overlap.

Press

MIX MODE

to assign a

VARIABLE

mix mode to the selected stage and

display the following menu.

Displ: Camera
Re: 1 - Register
KF: 1 of 5
Time: [0.00]

From Var:

1. Chan over Prev

2. Chan under Prev
3. Chan only
4. Prev only
5. Chan in Prev Key
6. Prev in Chan Key
7. Chan out Prev Key
8. Prev out Chan Key
9. Chan atop Prev
10. Prev atop Chan
11. Chan xor Prev
12. Chan plus Prev
13. Clear

1. Chan over Prev

2. Chan under Prev

3. Chan only
4. Prev only
5. Chan in Prev Key
6. Prev in Chan Key
7. Chan out Prev Key
8. Prev out Chan Key
9. Chan atop Prev
10. Prev atop Chan
11. Chan xor Prev
12. Chan plus Prev
13. Clear

TO Var:

INPUT

OUTPUTS

CHANNEL

COMBINING

STAGE 3

STAGE 2

STAGE 1

DEPTH

VARIABLE

NORMAL

MODIFY

MODIFY

STAGE

MIX

MODE

SELECT/

SCROLL

SELECT/

SCROLL

2) MIX LEVEL

0.0000

1) MIX LEVEL

0.0000

3) MIX LEVEL

0.0000

SCROLL

COMBINER CONTROL

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