Service manual

ViewSonic Corporation Confidential - Do Not Copy VA702-3_VA702b-3
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4. Use ISP to read MCU content
4.1 Only software ISP could read the MCU content , it is according to program the boot code while coding .
The limitation is used for the security of customer’s code. Select “ Read Target “ item , and press “RUN” button , the
MCU content will show as Fig4.1