Sony DSR-50 Manuel d'utilisation

Page 65

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Chapter 4 Setting the Time Code and Adjusting the Video Signals

Chapter 4

Setting the Time Code and Adjusting the Video Signals

65

(GB)

Adjusting the Sync and Subcarrier Phases of the
Video Signals

When you adjust the phases of the video signals,
follow the steps below.

Performing a phase adjustment operation

1

Press the SCH button on the vectorscope.

The vectorscope switches to “SCH” mode.

2

Press the B channel button on the vectorscope.

This selects the black burst signal from the
reference signal generator.

3

Press the EXT button on the vectorscope.

This switches the vectorscope to external
synchronization mode.

Vectorscope with SCH mode

A IN

B IN

B Through

EXT. REF
IN

EXT. REF
Through

Reference
signal generator

DSR-50/50P

VIDEO OUT2

VIDEO/REF.IN

4

Adjust the phase synchronization control on the
vectorscope so that the sync and subcarrier phases
are close to the reference line.

(for NTSC)

Subcarrier
phase

Sync
phase

Reference line

Align the sync and subcarrier phase of the black burst
signal to the reference line.

(for PAL)

Subcarrier
phase

Sync
phase

Reference line

Align the sync phase of the black burst signal to the
reference line.
Align the subcarrier phase of the black burst signal
symmetrically up and down.

(Continued)

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