Sony HDCU-950 User Manual

Page of 82
2-22 (E)
HDCU-950 IMM
2-5. Video Signal System
2-5-7. Setting the RET Input
Set format of the return signal that is input to RET 1 to
RET 3 connectors on the rear panel of this unit.
Set the desired aspect ratio using the switch on the DTX-1
boards.
The aspect ratio also can be set on the maintenance menu
or the configuration menu of the MSU-700A/750. For
more details, refer to the System Manual.
Setting Format of the Return Signal
Setup switch : RETURN SET switch (S605) on the DTX-1
panel (Factory setting : REM)
HD : When HD-SDI signal is input as return signal.
SD :
When SD-SDI or analog VBS signal is input as
return signal.
*
REM : When the reference is set from RM/MSU or a
device that is connected outside.
* : To select either the SD-SDI or analog VBS signal, set the switch S601
on the DTX-1 board. For details, refer to Section 1-6-5. “Setting of
Switches on Boards 
_ DTX-1 Board”.
n
When the PROMPTER connector on the rear panel of this
unit is used as RET 4, set the switch S607-2 on the DTX-1
board to OFF.
For details, refer to Section 1-6-5. “Setting of Switches on
Boards 
_ DTX-1 Board”.
Setting the Aspect Ratio for Up-conversion
When the RETURN SET switch on the DTX-1 board panel
is set to SD for setting the return signal format, set the
aspect ratio for up-conversion to each return input.
Setup switch : S603 and S604 on the DTX-1 board
(Factory setting : All OFF)
S603-1, -2 : RET 1
S603-3, -4 : RET 2
S603-5, -6 : RET 3
S603-7, -8 : PROMPTER (RET 4)
S603-1, -3, -5, -7
S603-2, -4, -6, -8
Aspect ratio
ON
ON
Letter box
*1
ON
OFF
Edge-crop
*1
OFF
ON
Squeeze
*1
OFF
OFF
It is interlocked with
the down conversion
aspect ratio of the
RC-91 board output.
*1 Letter box : The HD video signal of 16 : 9 (or aspect ratio set with S604
on the DTX-1 board)  is inserted into the picture frame of 4 :
3 as it is and converted to the SD signal. (4 : 3) (The black
level is inserted into the top and bottom of the picture.)
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)
Squeeze :
The HD video signal of 16 : 9 is converted to the SD signal
as it is. (16 : 9)
S604-1, -2 : RET 1
S604-3, -4 : RET 2
S604-5, -6 : RET 3
S604-7, -8 : PROMPTER (RET 4)
S604-1, -3, -5, -7
S604-2, -4, -6, -8
Aspect ratio
ON
ON
13 : 9
ON
OFF
14 : 9
OFF
ON
15 : 9
OFF
OFF
16 : 9
DTX-1 board (A side/panel side)
S604
S603
S601
S605
DTX
POWER
RETURN SET
OPTICAL
CONDITION
HD
REM
SD
CCU
CHU
CHU
LOCK
RETURN SET switch
AB
1
2
3
4
5