ViewSonic VA912-4 Service Manual page 48

2.4 Press " Create Se curity File " button to key in Security code . Adjusting bar to decrease speed of IIC bus ,
See Fig. 2.4 .
2.5 Fig 2.5 shows the setting for security code of software ISP . it needs 2 command No. and key in command
sequentially for 7C , 4C , 77. The command No. and command must be set by user while coding. About the
detailed of setting , please refer to section 6 boot code of ISP .
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Fig. 2.4
Fig. 2.5
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VA912-4_VA912b-4