Sony Betacam SX DNW-A100 Maintenance Manual page 200

4-2. TAPE Maintenance Mode (M0)
4-2-9. AUDIO/VIDEO ADJUST Mode (A2)
A25 : DEC VR
AUDIO/VIDEO ADJUST MODE
A25:DEC VR
*
VIDEO GAIN 80
AGC VIDEO GAIN 80
VIDEO FREQ COMP 80
This menu is used to adjust the composite video input
system. It is displayed when the BKDW-505/506 option is
installed.
n
BKDW-505 is used exclusively for an NTSC system (525/
60 system). In a 625/50 system, BKDW-505 does not
function normally.
BKDW-506 is used exclusively for an NTSC system (625/
50 system). In a 525/60 system, BKDW-506 does not
function normally.
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 FREQ COMP Composite video input frequency
response
n
The adjustment data in an A25 : DEC VR menu is used in
common with the same adjustment item in an A26 : DEC
VR (LOOP) menu.
4-66
A26 : DEC VR (LOOP)
AUDIO/VIDEO ADJUST MODE
A25:DEC VR (LOOP)
*
VIDEO GAIN 80
VIDEO FREQ COMP 80
This menu is used to adjust the composite video input
system. It is displayed when the BKDW-505/506 option is
installed.
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
VIDEO FREQ COMP Multi Burst
n
The adjustment data in an A26 : DEC VR (LOOP) menu is
used in common with the same adjustment item in an A25 :
DEC VR menu.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P