Sharp DV-550U Service Manual page 17

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Transition of test mode status
Video Test
System( )
Memory
Test
(1)Test pattern display
20000001 00000000
Play
key
(2)Copy guard (AGC alone)
20000002 00000000
Play
key
(3)Copy guard
(AGC + Color stripe 1)
20000003 00000000
Play
key
(4)Copy guard
(AGC + Color stripe 2)
20000003 00000000
Play
key
(2)
Test0 Key
SysTest( )
(0xF100)
'1' Key
Video
Test
'2' Key
SystemMode
=
0xF201-0xF204
In Video Test mode, the color bar test pattern
is first displayed and output, and the display
data mode is changed every entry of PLAY key
as shown in the right. Here, it returns to Sys
Test ( ) if any Test 0 (F0h) key is input in the
test display.
Test0
Key
10-2
'3' Key
Dinamic
Test
DV-550U

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