Setting Aspect Ratio Conversion - Sony HDCU-900 Series Installation And Maintenance Manual

2-4-7. Setting Aspect Ratio Conversion

In the HDC-900/950 series camera system, the aspect ratio
can be switched by using the HDCU-900 and MSU-700A/
750 according to the system during HD-SD down-convert
or RETURN VIDEO signal up-convert. Set the desired
aspect ratio using the MIC REMOTE connector at the rear
of the unit or the switch on the RC-86 board.
The aspect ratio also can be set on the maintenance menu
of the MSU-700A/750. For more details, refer to the
System Manual. The aspect ratio of the following four
types can be switched in this system.
Squeeze : The HD video signal of 16 : 9 is converted to
the SD signal as it is. (16 : 9)
Edge-crop : Video signal as large as 4 : 3 is cut from the
HD video signal and is converted to the SD
signal. (4 : 3)
Letter box : The HD video signal of 16 : 9 is inserted into
the picture frame of 4 : 3 as it is and convert-
ed to the SD signal. (4 : 3) (The black level is
inserted into the top and bottom of the
picture.)
Semi-letter box : Video signal as large as 14 : 9 or 13 : 9 is cut
from the HD video signal, is inserted into the
picture frame of 4 : 3 and is converted to the
SD signal. (4 : 3)
(The black level is inserted into the top and
bottom of the picture.)
S809
S810
S805
HDCU-900 IMM
S814
S813
S808
S806 S807
RC-86 board (A side)
How to set using the MIC REMOTE connector at
the rear of the unit
1. Set switch S805 (ASPECT REMOTE/LOCAL) on the
RC-86 board to REMOTE.
2. Set pin-12 (ASPECT REMOTE ON/OFF) of the MIC
REMOTE connector at the rear to L.
3. Set pin-13 (ASPECT CTL CONT1) and pin-14
(ASPECT CTL CONT2) of the MIC REMOTE
connector at the rear according to the desired aspect
ratio while referring to the following table.
Pin-13
(ASPECT
CTL CONT1)
L
H
L
H
How to set on the RC-86 board of the unit
(during HD-SD down-convert)
1. Set switch S805 (ASPECT REMOTE/LOCAL) on the
RC-86 board to LOCAL.
2. Set switches S806, S807, S808 and S813 on the RC-86
board according to the desired aspect ratio.
When setting S806 (ASPECT SEL) to EC (edge-crop),
CROP POSITION (horizontal cutting position) can be
changed by using S807 (EC POSITION SEL) or S808
(EC POSITION ADJ).
H
For more details, refer to Section 1-5-3, "Settings of
Switches and Controls on Boards_RC-86 Board".
J
K
L
M
2-4. Video Signal System
Pin-14 Aspect ratio
(ASPECT
CTL CONT2)
H Squeeze (16 : 9)
H Edge-crop (4 : 3)
L Depends on the
setting switches on
the RC-86 board.
L Letter box (4 : 3)
2-29 (E)