EK-620U/EK-621W
4-7
4-5 Re-write SN
Note: After replacing main board re-write SN is needed.
Procedure - Plug in the power cord.
- Connect projector and PC by RS232 cable.
- Download the SN rewrite for B35LH tool.
- Open the projector.
- Open the tool,then click "SN Tool"
- Choose the Com port which you are
using, and click “Load define”
- Then key in the Serial Number,
for example“E69A1146”. Then
click “RUN” to re-write SN.
Then the “Pass” message will
be shown on the window.
Inspection item
- Press “MENU->OPTION->Information"
- Check the serial number.
