QOMO QD700 - Manual (Page 24)

follows:
Visualizer’s RXD pin------------Projector’s TXD pin
Visualizer’s TXD pin------------Projector’s RXD pin
Visualizer’s GND pin------------Projector’s GND pin
5. If you can not use buttons on the operation
panel to control the projector, please use Code-Writing software’s
projector control code testing function to check if the control code is
correct.
Click “Projector” button, the following dialog box appears as below:
6 5
4 3
2 1
Connect the visualizer to a computer with a RS232 cable (Please
disconnect the projector from the RS232 port first) and select the
Baud Rate and Parity based on the projector’s Baud Rate, then click
the “TEST” button to pop up the Projector Code Test dialog box, input
the Baud Rate and Parity based on the projector’s Baud rate, then
click “Open”.
Click the projector control buttons on the visualizer’s operating panel
to check if the control code that the program received is the same as
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