ViewSonic VS11422 Service Manual page 45

Note:
(1)Disable the ｀Enter ISP Mode＇ option to avoid the error message display.
(2)If you using the MTV312M64 or before MCU serials, the MCU will always in ｀ISP Mode＇even programming fail or
erase MCU that instead of select or press ｀Reset MCU＇.
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