LS740W Initial Setup

    From ViewSonic User Guide Database


    Choosing a Location - Projector Orientation

    Personal preference and room layout will decide the installation location. Consider the following:

    • Size and position of your screen.
    • Location of a suitable power outlet.
    • Location and distance between the projector and other equipment.

    The projector is designed to be installed in one of the following locations:

    Location Description
    Desk Front The projector is placed near the floor in front of the screen.
    Ceiling Front The projector is suspended upside-down from the ceiling in front of the screen.
    Desk Rear[1] The projector is placed near the floor behind the screen.
    Ceiling Rear[1] The projector is suspended upside-down from the ceiling behind the screen.
    1. 1.0 1.1 A rear projection screen is required.

    Projection Dimensions

    16:10 Image on a 16:10 Screen

    LS740W 1610 1610 Projection Dimensions.png
    NOTE: (e) = Screen | (f) = Center of Lens
    (a) Screen Size (b) Projection Distance (c) Image Height (d) Vertical Offset
    min. max.
    in. mm in. mm in. mm in. mm in. mm
    30 762 30.20 767 39.28 998 15.90 404 1.97 50
    40 1016 40.26 1023 52.37 1330 21.20 538 2.63 67
    50 1270 50.33 1278 65.47 1663 26.50 673 3.29 83
    60 1524 60.39 1534 78.56 1995 31.80 808 3.94 100
    70 1778 70.46 1790 91.65 2328 37.10 942 4.60 117
    80 2032 80.53 2045 104.74 2661 42.40 1077 5.26 134
    90 2286 90.59 2301 117.84 2993 47.70 1212 5.91 150
    100 2540 100.66 2557 130.93 3326 53.00 1346 6.57 167
    110 2794 110.72 2812 144.02 3658 58.30 1481 7.23 184
    120 3048 120.79 3068 157.12 3991 63.60 1615 7.89 200
    130 3302 130.85 3324 170.21 4323 68.90 1750 8.54 217
    140 3556 140.92 3579 183.30 4656 74.20 1885 9.20 234
    150 3810 150.99 3835 196.40 4988 79.50 2019 9.86 250
    200 5080 201.31 5113 261.86 6651 106.00 2692 13.14 334
    250 6350 251.64 6392 327.33 8314 132.50 3365 16.43 417
    300 7620 301.97 7670 392.79 9977 159.00 4039 19.72 501
    NOTE:
    • These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
    • It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

    16:10 Image on a 4:3 Screen

    LS740W 1610 43 Projection Dimensions.png
    NOTE: (e) = Screen | (f) = Center of Lens
    (a) Screen Size (b) Projection Distance (c) Image Height (d) Vertical Offset
    min. max.
    in. mm in. mm in. mm in. mm in. mm
    30 762 28.49 724 37.06 941 15.00 381 1.86 47
    40 1016 37.98 965 49.41 1255 20.00 508 2.48 63
    50 1270 47.48 1206 61.76 1569 25.00 635 3.10 79
    60 1524 56.98 1447 74.11 1882 30.00 762 3.72 94
    70 1778 66.47 1688 86.46 2196 35.00 889 4.34 110
    80 2032 75.97 1930 98.82 2510 40.00 1016 4.96 126
    90 2286 85.46 2171 111.17 2824 45.00 1143 5.58 142
    100 2540 94.96 2412 123.52 3137 50.00 1270 6.20 157
    110 2794 104.46 2653 135.87 3451 55.00 1397 6.82 173
    120 3048 113.95 2894 148.22 3765 60.00 1524 7.44 189
    130 3302 123.45 3136 160.58 4079 65.00 1651 8.06 205
    140 3556 132.94 3377 172.93 4392 70.00 1778 8.68 220
    150 3810 142.44 3618 185.28 4706 75.00 1905 9.30 236
    200 5080 189.92 4824 247.04 6275 100.00 2540 12.40 315
    250 6350 237.40 6030 308.80 7844 125.00 3175 15.50 394
    300 7620 284.88 7236 370.56 9412 150.00 3810 18.60 472
    NOTE:
    • These figures are for reference purposes only. Please refer to the actual projector for the precise dimensions.
    • It is recommended that if you intend to permanently install the projector to physically test the projection size and distance using the actual projector before you permanently install it.

    Mounting the Projector

    NOTE: If you buy a third party mount, please use the correct screw size. Screw size can vary depending on the thickness of the mounting plate.
    1. To ensure the most secure installation, please use a ViewSonic® wall or ceiling mount.
    2. Ensure the screws used to attach the mount to the projector meet the following specifications:
      • Screw type: M4 x 8
      • Maximum Screw Length: 8 mm
      LS740HD Mount.png
    CAUTION
    • Avoid installing the projector near a heat source or air conditioner.
    • Keep at least a 10 cm (3.9 in.) gap between the ceiling and the bottom of the projector.

    Using the Security Bar

    To help prevent the projector from being stolen, use a security slot locking device to secure the projector to a fixed object.