7-12. Gamma Correction Adjustment

16:9 mode

Preparation

.Lens IRIS → MAN

.OUTPUT/DCC switch (inside panel) → CAM/ON

.Shoot a grayscale chart (16:9) in the full underscanned monitor frame.

Equipment

: Waveform/Vector monitor

Test point

: TEST OUT connector

Setting point

: 1Lens IRIS

Spec.

: A (white level) = 100 ±2 IRE (NTSC)

 

A (white level) = 700 ±14 mV (PAL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.On the setup menu, set as follows.

PAGE

: S24*LEVEL 7

ITEM

: TEST OUT → G

Adjustment Procedure

Equipment : Waveform/Vector monitor

Test point : TEST OUT connector

1.

Select the 16:9 mode.

 

PAGE

: S14*WIDE SCREEN

 

ITEM

: 16:9/4:3 MODE → 16:9

2.

On the setup menu, adjust as follows.

 

PAGE

: S21*LEVEL 4

 

ITEM

: MASTER GAMMA

 

Spec.

: B =

63 ±2 IRE (NTSC)

 

 

B =

420 ±14 mV (PAL)

B

 

7-12. Gamma Correction Adjustment

4. On the setup menu, adjust as follows.

PAGE

: S25*LEVEL 8

ITEM

: R GAMMA

Spec.

: Position the illuminated spot at the

center of the vector monitor.

MG

R

YL

B

GCY

5.On the setup menu, adjust as follows.

PAGE

: S25*LEVEL 8

ITEM

: B GAMMA

Spec.

: Position the illuminated spot at the

 

center of the vector monitor.

6.Repeat steps 4 and 5 several times, position the illuminated spot at the center of the vector monitor.

7.Make sure that the carrier leakage at the portion B is not observed.

B

Setting After Adjustment

.On the setup menu, set as follows.

PAGE

: S12*FUNCTION 1/2

ITEM

: TEST SAW → OFF

3. On the setup menu, set as follows.

PAGE

: S12*FUNCTON 1/2

ITEM

: TEST OUT → ENC

ITEM

: TEST SAW → ON

DVW-790WS/709WS/707

7-17

DVW-790WSP/709WSP/707P P2V1

Page 269
Image 269
Sony DVW-709WS/709WSP, DVW-790WS/790WSP manual Gamma Correction Adjustment, Master Gamma, Test SAW → OFF