LS740HD 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

    16:9 Image on a 16:9 Screen

    LS740HD 169 169 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 29.55 750 38.44 976 14.71 374 2.35 60
    40 1016 39.40 1001 51.25 1302 19.61 498 3.14 80
    50 1270 49.24 1251 64.06 1627 24.51 623 3.92 100
    60 1524 59.09 1501 76.87 1953 29.42 747 4.71 120
    70 1778 68.94 1751 89.69 2278 34.32 872 5.49 139
    80 2032 78.79 2001 102.50 2603 39.22 996 6.28 159
    90 2286 88.64 2251 115.31 2929 44.12 1121 7.06 179
    100 2540 98.49 2502 128.12 3254 49.03 1245 7.84 199
    110 2794 108.34 2752 140.93 3580 53.93 1370 8.63 219
    120 3048 118.19 3002 153.75 3905 58.83 1494 9.41 239
    130 3302 128.03 3252 166.56 4231 63.73 1619 10.20 259
    140 3556 137.88 3502 179.37 4556 68.64 1743 10.98 279
    150 3810 147.73 3752 192.18 4881 73.54 1868 11.77 299
    200 5080 196.98 5003 256.24 6509 98.05 2491 15.69 398
    250 6350 246.22 6254 320.30 8136 122.57 3113 19.61 498
    300 7620 295.46 7505 384.36 9763 147.08 3736 23.53 598
    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.

    16:9 Image on a 4:3 Screen

    LS740HD 169 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 27.12 689 35.28 896 13.50 343 2.16 55
    40 1016 36.16 918 47.04 1195 18.00 457 2.88 73
    50 1270 45.20 1148 58.80 1494 22.50 572 3.60 91
    60 1524 54.24 1378 70.56 1792 27.00 686 4.32 110
    70 1778 63.28 1607 82.32 2091 31.50 800 5.04 128
    80 2032 72.32 1837 94.08 2390 36.00 914 5.76 146
    90 2286 81.36 2067 105.84 2688 40.50 1029 6.48 165
    100 2540 90.40 2296 117.60 2987 45.00 1143 7.20 183
    110 2794 99.44 2526 129.36 3286 49.50 1257 7.92 201
    120 3048 108.48 2755 141.12 3584 54.00 1372 8.64 219
    130 3302 117.52 2985 152.88 3883 58.50 1486 9.36 238
    140 3556 126.56 3215 164.64 4182 63.00 1600 10.08 256
    150 3810 135.60 3444 176.40 4481 67.50 1715 10.80 274
    200 5080 180.80 4592 235.20 5974 90.00 2286 14.40 366
    250 6350 226.00 5740 294.00 7468 112.50 2858 18.00 457
    300 7620 271.20 6888 352.80 8961 135.00 3429 21.60 549
    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.