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3-3. Video Signal System
The equipment that is used for the BVP-900 series camera
system and this unit were set to the specified level when
shipped from the factory. Before operating, check the
signal levels between each equipment and adjust them if
required. Some adjustments can be performed using the
maintenance menu of the MSU-700A/750 instead of using
the controls or switches on the board. Perform the basic
adjustments on the board and perform the fine adjustments
on the maintenance menu.
3-3-1. Selecting the Input/Output Signal
Select the input/output terminal signal of the rear panel
according to the video system to be installed.
3-3-2. Resetting the Control Data
Before adjustment, reset the control data of the unit.
S1002
S1003
S1001
9
8
7
6
1. Set switches S1001-1 to S1001-8, S1002-1 to S1002-7
and S1003-1 to S1003-8 on the AT-122 board to OFF.
2. Set S1002-8 to ON.
3. Set the power supply of the unit to ON.
4. Set the power supply of the unit to OFF.
The control data will be reset by these operations.
5. Return switches S1001-1 to S1001-8, S1002-1 to
S1002-8 and S1003-1 to S1003-8 to their original
settings or set all to OFF.
n
Switches S1001-1 to S1001-8, S1002-1 to S1002-8 and
S1003-1 to S1003-8 are set to OFF when shipped from the
factory.
CCU-900/900P IMM
5
4
3
2
1
AT-122 board
3-3-3. Adjusting the Signal Phase
Adjust the signal phase of the unit. Before adjustment,
input the next sync signal to the unit and each of the
equipment used.
CCU-900/900P
Signal that includes sync signal which are references of the
system
Signal level : 40 IRE (0.3 V p-p)
Waveform monitor, vector scope
Sync signal that is used as the reference of the system and
is specified by the measuring equipment.
Adjusting the Phase of the Sync Signal
Adjust the phase of the output signal to match it with that
of the reference signal. Perform the adjustment on the
engineering menu of the unit or on the maintenance menu
of the MSU-700A/750.
n
E
When the MSU/RCP is connected to the unit during phase
adjustment, indications of the ECS/Shutter control block or
F
the Iris control block of the MSU/RCP could disappear or
the CAM PW button could flash. These do not affect the
adjustment. After a while, normal operation starts.
G
How to adjust on the engineering menu of the
H
unit
Rotary encoder
MIC LEVEL
J
NORM
POWER
MIN
CH-1
K
1. While pressing the rotary encoder on the AT-122
board panel, set the MENU ON/OFF switch to ON.
The engineering menu will be displayed.
2. Select "Others" from the engineering entry menu.
* Engineering Menu *
DA1
DA2
DA3
>Others
3-3. Video Signal System
INCOM
PGM
SIDE
NORM
MENU
TONE RTS
CANCEL
OFF
ON
SELECT
MIX
MIN
CH-2
ENTER CANCEL ENG PROD
ENG PROD
PRIVATE
MENU ON/OFF switch
AT-122 board
3-5 (E)
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