Sony BKDF-701, Service Manual

Page: 41 / 113

1-34
DFS-700/700P
Chapter 3 Basic Operation
3-40
Chapter 3 Basic Operation
Manual chroma key
To combine the background image and foreground image by manual
chroma keying, use the following procedure.
1
Using the same process as in steps 1 to 3 of the procedure for auto
chroma keying (see page 3-37), select the background image,
foreground image, and effect pattern.
2
In the TITLE section of the menu control section, press the CRK
button, turning it on.
In the menu display page 1 of the chroma key menu appears. The
following example appears when the CRK button in column 1 is lit.
T1CRK
1/3
Clip
0-100
Gain
0-100
Hue
0-99
Angle
0-100
AUTO
PAGE F1 F2 F3 F4 F5
3
Press the CUT button in the effect transition section.
A composite of the foreground and background images appears in the
program monitor.
At this point, though, (before adjustment), either of the background
image or foreground image may not be visible.
LAST X
INS
RST
TITLE
1 2
EDITOR LUM LUM LUM
DSK EDGE
TRAIL
SHADOW
GPI CRK CRK BORDER BEVELD
EDGE
SET UP MASK MASK MASK SOFT
SHIFT CCR LIGHTING BORDER MATTES LOCATION
LEARN EDIT
RECALL
HOLD
INPUT
INITIAL
PATTERN
ADJ
PAGE F1 F2 F3 F4 F5
USER PGM
STATUS EDIT
SNAP SHOT
SET
PATTERN NUMBER
EFFECT
DSK
FTB
SET
TRANS RATE
7 8 9
4 5 6
1 2 3
0
DOWN UP ENTER
FADE
TO
BLACK
P IN P
DSK
DEL
N/R REV DSK PVW DIRECT
RECALL DIRECT
PATTERN
CCR TITLE 1
SOURCE
TITLE 2
SOURCE
DSK
FILL SUPER BG FRGD 2 MEMORY FRAME FREEZ MIX EFFECT
BACKGROUND
BLACK MEMORY INT
VIDEO
TITLE 1 2 3 4 5 6 7 8
CUT
AUTO
TRANS
AUXILIARY
BLACK MEMORY
INT
VIDEO
1 2 3 4 5 6 7 8
FOREGROUND
BLACK MEMORY
INT
VIDEO
1 2 3 4 5 6 7 8
PATTERN/KEY PAD
2
3
4
Inserting Characters and Graphics (1) — Title Key
Chapter 3 Basic Operation
Chapter 3 Basic Operation
3-41
4
Watching the composite image on the program monitor, in page 1 of
the chroma key menu, adjust the hue, clip, and gain.
When the background part of the foreground image is not
completely replaced by the background image
Adjust the hue with the F3(Hue) knob and the clip with the F1(Clip)
knob.
When the outline of the foreground image is not clear
Adjust the clip with the F1(Clip) knob and the gain with the F2(Gain)
knob.
In combination with a luminance key
1
Press the PAGE button to display page 3 of the chroma key menu, then
press the F1(LUM) button, setting the parameter to “ON”.
T1CRK
3/3
LUM
ON
Clip
0-100
Gain
0-100
INVERT
OFF
PAGE F1 F2 F3 F4
2
Watching the composite image on the program monitor, use the
F2(Clip) knob to adjust the clip, and the F3(Gain) knob to adjust the
gain. To leave dark portions, press the F4(INVERT) button, setting the
parameter to “ON”.
To switch between the composite image and the background
image
Press the CUT button. This toggles between the composite image and the
background image.
To fill the inserted text or image with a color matte (using a
color matte as key fill)
Use the same procedure as for an auto chroma key (see page 3-39).