Mitsubishi SL2U Service Manual page 50

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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