Sony DNW-A220 Maintenance Manual page 114

3-2. TAPE Maintenance Mode (M0)
3-2-4. AUDIO/VIDEO CHECK Mode (C2)
C21 : VIDEO TEST SG
AUDIO/VIDEO CHECK MODE
C21:VIDEO TEST SG
*
OFF
This menu selects the operation in the maintenance mode of a video test signal generator incorporated
into this unit.
OFF: The video test signal generator operation stops.
Except OFF: A video test signal generator outputs the selected signals (below).
100% color bars
75% reverse color bars
Bowtie
Multi-burst
5-step
Shallow ramp
50% flat
Black burst
Pathological check code
NTC7 (NTSC) 7 Only for 525/60 system
Line330 (625) 7 Only for 625/50 system
Setting of video test signal generator
To set the video test signal generator, turn the JOG dial while pressing the search button and display the
desired setting.
This setting is valid until the maintenance mode is terminated. However, the C21 : VIDEO TEST SG
setting is reset to OFF when the C22 : MULTI LOOP (10TIMES) setting is changed.
m
. This menu is set to OFF when the maintenance mode is activated.
. The output signal of a test signal generator can also be recorded on the tape. In this case, push the SET
button and perform the recording operation with the white square is displayed in the upper-right
position of the LCD monitor.
3-38
75% color bars
Pulse and bar
H sweep
Ramp
Red signal
100% flat
DNW-A220
DNW-A220P