To support the clan structure and to receive the support of the clan, the Hmong are concentrated in geographic locations throughout the country, with the largest being in the St. Paul/Minneapolis area of Minnesota.o support the clan structure and to receive the support of the clan, the Hmong are concentrated in geographic locations throughout the country, with the largest being in the St. Paul/Minneapolis area of Minnesota.
Report Abuse. You should place the projector at less 10 to 12 feet away. Keep in mind that projectors needs to be in a dark room to be effective. The lamps on a projector only last about 2,000 hours and the cost of replacing them starts at $50 to around $300.For a 120 screen you should also seat back around 10 feet away, you what to see the whole screen without moving your eyes.Pick up a copy of Home Theater Magazine May issue, it list just about every projector in the market today.or a 120 screen you should also seat back around 10 feet away, you what to see the whole screen without moving your eyes. Pick up a copy of Home Theater Magazine May issue, it list just about every projector in the market today.
If the screen width is 7 feet and the projector's throw ratio is 2.0 - 2.4:1 (because projectors have zoom lenses, they also have a range of throw ratios) then you can place your projector anywhere from 14 to 16.8 feet away from the screen.(7 * 2 and 7 * 2.4 = 14-16.8).Example 2.he ratio, like any ratio, is dimensionless. For example, if D equals 10 feet and W equals 5 feet, then 10 feet divided by 5 feet equals 2. The dimension of feet is thereby cancelled out. So, in knowing this formula, a projector's throw ratio will provide you with all of the information you'll need to set up a room.