BenQ SX930 Service Manual page 54

10. After all pages data are uploaded, "Read System Data" is completed.
11. After completing "Read System Data," there is a folder named "Read Data" added in the
selected folder before.
12. A file named "Scaler.dat" including adjustment data of projector is added in the "Read Data"
folder.
13. Turn off projector and the service tool, and then download a new firmware.
(2) Write Data From Main Board to Projector:
14. After completing firmware download, open the service tool, and connect PC and Projector by
RS232 cable.
15. [Case1] : If Main Board is changed to new one, tick the "Change Main Board" item.
[Case2] : If only FW re-download without changing M/B, No Need to tick the "Change
Main Board" item.
(Note: Since M/B service part has initial ADC calibration data from factory, when the "Change Main Board"
is ticked, the "ADC Calibration Data" will be kept as the initial data in new M/B and will not cover by the data
from old M/B.)
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(Note)