ViewSonic VA912-4 Service Manual page 47

2.2 Security file is a key to use ISP function , press " OK " button , see Fig 2.2
2.3 The warning is used to remind user of that different CPU rate may cause ISP function fail. (it's limited by IIC
protocol ) , press " OK " button , see Fig 2.3
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Fig. 2.2
Fig. 2.3
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VA912-4_VA912b-4