LS740W Connecting Power and Devices

    From ViewSonic User Guide Database

    Connecting to Power

    1. Connect the power cord to the power adapter.
    2. Connect the power adapter to the DC IN jack at the rear of the projector.
    3. Plug the power cord into a power outlet.
    LS740HD Connect Power.png
    NOTE: When installing the projector, incorporate a readily accessible disconnect device in the fixed wiring, or connect the power plug to an easily accessible outlet near the unit. If a fault should occur during operation of the projector, use the disconnect device to switch off the power supply, or disconnect the power plug.

    Connecting to External Devices

    HDMI Connection

    Connect one end of an HDMI cable to the HDMI port of your video device. Then connect the other end of the cable to the HDMI 1/2 port of your projector.

    LS740HD HDMI Connect.png

    Audio Connection

    To play audio from the projector through an external speaker, connect one end of an audio cable to the external speaker, and the other end to the projector’s AUDIO OUT port.

    LS740HD Audio Connect.png

    USB Connection

    USB Type A Connection

    The USB port is for supplying power (e.g., dongles) and service needs.

    NOTE: The USB port does not supply power when the projector is in standby mode.
    LS740HD USB Connect.png

    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.

    LS740HD RS-232 Connect.png