Sony BVW-55 Maintenance Manual page 203

A25 : DEC VR
AUDIO/VIDEO ADJUST MODE
A25:DEC VR
*
VIDEO GAIN 80
PEDESTAL 00
This menu is used to adjust the composite video input
system.
n
This adjustment is necessary to perform both 525/60 and
625/50 systems.
Adjustment item Description
VIDEO GAIN Composite video input level
PEDESTAL Composite video input pedestal clamp level
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.
A26 : DEC VR (LOOP)
AUDIO/VIDEO ADJUST MODE
A26: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.
n
This adjustment is necessary to perform both 525/60 and
625/50 systems.
Adjustment item Test signal
VIDEO GAIN 100% Color Bars
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.
BVW-55 P2
A27 :VIDEO METER
AUDIO/VIDEO ADJUST MODE
A27:VIDEO METER
1
*
Manual
2
VIDEO METER
3
LEVEL 0
This menu is used for the calibration of video meter on the
sub LCD.
Before adjustment, inputs the reference video signal to the
VIDEO INPUT connector on the rear panel, and set the
unit into the EE mode.
Description of LCD monitor
1 The adjustment mode (manual and automatic adjust-
ments) or the messages during automatic adjustment
are displayed in this line.
Manual :
Auto (Push SET Button): Press the SET button to
Auto Adjusting ... :
Auto adjust Complete :
Auto Adjust Failure :
n
The adjustment data can be manually changed even if
message "Auto (Push SET Button)" is displayed.
2 The adjustment item and adjustment data value are
displayed in this line.
3 When the reference video signel is not input, the
message "LEVEL 0" is displayed.
2-2. TAPE Maintenance Mode (M0)
2-2-4. AUDIO/VIDEO ADJUST Mode (A2)
A9
Adjustment mode is set to
the manual adjustment.
initiate the automatic
adjustment.
Automatic adjustment is in
progress.
Automatic adjustment is
completed.
Automatic adjustment fails.
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