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2-5. Video Signal System
The equipment that is used for this unit and the HDC-F950
series camera system 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 control or switches on the board. Perform the basic
adjustments on the board and perform the fine adjustments
on the maintenance menu.
2-5-1. Selecting the Input/Output Signal
Select the input/output terminal signal of the rear panel
according to the video system to be installed.
2-5-2. 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.
HDCU-F950
REFERENCE
HD ternary SYNC : 0.6 V p-p
Waveform monitor
Sync signal specified by waveform monitor
HDCU-F950 IMM
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 using the
switch on the AT-149A board panel of the unit. The
adjustment also can be performed on the maintenance
menu of the MSU-700A/750. For more details, refer to the
System Manual.
How to adjust on the AT-149A board of the unit
REFERENCE SIGNAL
SELECT switch
H PHASE STEP switch
H PHASE COARSE switch
1. Select the type of external sync signal using the
REFERENCE SIGNAL selector switch on the AT-
149A board panel.
HD : HD ternary SYNC
BB : BB (black burst) signal (not supported)
REM : Control is perfomed by MSU, etc,. connected
outside.
Factory setting : HD
2. When setting HD in step 1 :
1) Coarse-adjust the H phase using H PHASE STEP
switch on the AT-149A board panel, then fine-
adjust it using the H PHASE COARSE switch on
the AT-149A board panel.
When selecting BB in step 1 : (not used)
1) Coarse-adjust the H phase using H PHASE SETP
switch on the AT-149A board panel, then fine-
adjust it using the H PHASE COARSE switch on
the AT-149A board panel.
n
When using 10F-BB (NTSC 10-field sequence BB) of
SMPTE318M as BB, the frame sequences of the 30 Hz
frame frequency and the 24 Hz frame frequency can be
locked by setting switch S416 (REF-10F-BB) on the
AT-149A board to ON.
AT-149A board (panel side)
2-11 (E)
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