ViewSonic VX1933W Service Manual page 77

5.7.2 Using Novatek ISP Tool Update FW:
(1).Select "ISP", Choose the corresponding firmware, load to MCU.
(2).Choose the corresponding firmware, load to MCU, Select "Run", start ISP.
(3).When the picture show "End", ISP finished.
VX2433wm-1
ViewSonic Corporation 74 CONFIDENTIAL – DO NOT COPY VX2433wm-CN