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7. Switching the COM port
If communication with the PC is not available, switch the
COM port. Select the serial port to which the cable is
connected.
8. Precautions
• When the projector doesn’t receive the protect cord
within one second after turning on the power, the
projector will start on the normal mode.
• When no response is returned to the PC within 2
seconds after sending a command, the PC will show a
message of “No response from projector, For re-
downloading, click “RETURN”, turn off Main switch of
Projector, then click “START”.” and stop downloading.
(except sending the protect command)
• This downloading software can be used only for this
model. Do not apply to the other models.
COM port switching dialog window
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