Sony DNW-A75 Maintenance Manual page 163

A25 : DEC VR
AUDIO/VIDEO ADJUST MODE
A25:DEC VR
*
VIDEO GAIN 80
AGC VIDEO GAIN 80
VIDEO PEDESTAL 80
This menu is used to adjust the composite video input
system on the DEC-110 board.
Adjustment item Description
VIDEO GAIN Composite video input level
(During AGC OFF setting)
AGC VIDEO GAIN Composite video input level
(During AGC ON setting)
VIDEO PEDESTAL Composite video input level pedestal
n
The adjustment data in A25 : DEC VR menu is used in
common with the same adjustment item in A26 : DEC VR
(LOOP) menu.
DNW-A75/A75P
4-2-10. AUDIO/VIDEO ADJUST Mode (A2)
A26 : DEC VR (LOOP)
AUDIO/VIDEO ADJUST MODE
A25:DEC VR (LOOP)
*
VIDEO GAIN 80
This menu is used to adjust the composite video input
system.
The most suitable signal (refer to the table below) for
adjustment is output from an internal video test signal
generator, and the composite video input system can be
adjusted with the multi-loop function activated.
Adjustment item Test signal
VIDEO GAIN 100% Color Bars
n
The adjustment data in A26 : DEC VR (LOOP) menu is
used in common with the same adjustment item in A25 :
DEC VR menu.
4-2. TAPE Maintenance Mode (M0)
4-73