ViewSonic LS740HD User Guide English - Page 28
RS-232 Connection, When you use a RS-232 serial port cable to connect the projector to an external
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RS-232 Connection When you use a RS-232 serial port cable to connect the projector to an external computer certain functions can be controlled remotely by the PC, including Power On/Off, Volume adjustment, Input select, Brightness, and more. DC IN AUDIO OUT USB 5V/1.5A (SERVICE) RS232 HDMI 2 HDMI 1 28
28
RS-232 Connec°on
When you use a RS-232 serial port cable to connect the projector to an external
computer certain func°ons can be controlled remotely by the PC, including Power
On/Off, Volume adjustment, Input select, Brightness, and more.
HDMI 2
HDMI 1
RS232
USB 5V/1.5A
(SERVICE)
AUDIO OUT
DC IN