Performing a phase adjustment operation – Sony DSR-45/45P Manuel d'utilisation

Page 66

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Chapter 4 Setting the Time Code and Adjusting the Video Signals

66

(GB)

Chapter 4

Setting the Time Code and Adjusting the Video Signals

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 goes into the “SCH” mode.

2

Press the B channel button on the vectorscope.

The black burst signal from the reference video
signal generator is selected.

3

Press the EXT button on the vectorscope.

The vectorscope goes into the external
synchronization mode.

Vectorscope with SCH mode

DSR-45/45P

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.

A IN

B IN

EXT. REF
Through

VIDEO OUT

VIDEO IN REF.IN

B Through

EXT. REF
IN

Vectorscope with SCH mode

Reference video
signal generator

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