LS751HD Introduction

    From ViewSonic User Guide Database

    Package Contents

    LS751HD Package Contents.PNG
    Number Description
    1 Projector
    2 Remote Control
    3 Batteries
    4 Quick Start Guide
    5 Power Cord

    Projector Overview

    LS751HD Projector Overview.PNG
    Number Description
    1 Remote IR Sensor
    2 Keypad
    3 Lens Shift
    4 Focus Ring
    5 Vent (inlet)
    6 Zoom Ring
    7 Vent (outlet)
    8 Security Bar
    9 Adjuster Foot
    10 Projection Lens
    NOTE: Do not block projector intake and exhaust vents.

    I/O Ports

    LS710HD LS751HD IO Ports.PNG
    Number Port Description
    1 Audio Out Audio signal output socket.
    2 RS-232 RS-232 control port.
    3 USB (5V/1.5A Out)
    USB Type A port for power and service.
    4 HDMI 1[1] HDMI Port
    5 HDMI 2[2] HDMI Port
    6 RJ-45 LAN Port
    7 AC IN AC In Socket


    • If the system crashes, you can push the reset button located between the DC USB C and Audio Out port.
    • The USB Type C and USB Type A port share 5V/2A total power output.
    1. Supports HDCP 2.2.
    2. Supports HDCP 1.4.


    LS710HD LS751HD Keypad.PNG
    Icon Button Description
    Power Power Toggles the projector between standby mode and Power On.
    Keystone Keystone Manually corrects distorted images resulting from an angled projection.
    Navigation Navigation Selects the desired menu items and makes adjustments when the On-Screen Display (OSD) Menu is activated.
    Menu/Exit Menu/Exit Turns on or off the On-Screen Display (OSD) Menu.
    Source Source Displays the input source selection bar.
    Information Information Displays the INFORMATION menu.
    Enter Enter Enacts the selected On-Screen Display (OSD) Menu item when the OSD Menu is activated.
    Auto Auto Automatically determines the best picture timings for the displayed image.

    Indicator Lights

    Indicator Light Description
    Power Indicator Power indicator light
    Light Source Indicator Light Source indicator light
    Temperature Indicator Temperature indicator light

    Further Reading