ViewSonic PJL7211 PJL7211 User Guide (English) - Page 12

Setting up Setting up Install the projector according to the environment and manner the projector will be used in. Arrangement Refer to the illustrations and tables below to determine screen size and projection distance. The values shown in the table are calculated for a full size screen: 1024 x 768 a Screen size (diagonal) b Projection distance (±10%) c1 , c2 Screen height (±10%) On a horizontal surface Suspended from the ceiling • Keep a space of 30 cm or more between the sides of the projector and other objects such as walls. • For the case of installation in a special state such as ceiling mount, the specified mounting accessories and service may be required. Before installing the projector, consult your dealer about your installation. a Screen size (diagonal) type (inch) m 30 0.8 40 1.0 50 1.3 60 1.5 70 1.8 80 2.0 90 2.3 100 2.5 120 3.0 150 3.8 200 5.1 250 6.4 300 7.6 4 : 3 screen b Projection distance min. max. c1 Screen height m inch m inch cm inch 0.8 33 1.0 40 38 15 1.1 45 1.4 54 51 20 1.4 56 1.7 68 64 25 1.7 68 2.1 82 76 30 2.0 80 2.4 96 89 35 2.3 91 2.8 110 102 40 2.6 103 3.1 123 114 45 2.9 114 3.5 137 127 50 3.5 137 4.2 165 152 60 4.4 172 5.2 207 191 75 5.8 230 7.0 276 254 100 7.3 287 8.8 345 318 125 8.8 345 10.5 414 381 150 c2 Screen height cm inch 83 10 4 13 5 15 6 18 7 20 8 23 9 25 10 30 12 38 15 51 20 64 25 76 30 16 : 9 screen b Projection distance min. max. c1 Screen height m inch m inch cm inch 0.9 36 1.1 44 35 14 1.2 49 1.5 59 47 19 1.6 62 1.9 74 59 23 1.9 74 2.3 89 71 28 2.2 87 2.7 104 82 32 2.5 99 3.0 119 94 37 2.8 112 3.4 135 106 42 3.2 124 3.8 150 118 46 3.8 150 4.6 180 141 56 4.8 187 5.7 225 176 69 6.4 250 7.6 301 235 93 8.0 313 9.6 376 294 116 9.5 376 11.5 452 353 139 c2 Screen height cm inch 21 31 31 42 52 62 62 73 83 10 4 14 5 17 7 21 8 ViewSonic  PJL7211