Their capital costs and also the running costs are significantly less than the CRT alternative. Return to questions 7. Cost Budget low powered projectors are in the range 1,000 to 2,000. These units are often used within a company's in-house training facility where low levels of light can be guaranteed. Most portable SVGA units are in the range 1,500 to 2,000.
Some companies acquire their own projectors whilst others prefer to hire units when required.
Where a projector is only going to be used 3 or 4 times a year, them hiring makes good sense. Similarly where a unit is going to be used once or more every month, then purchasing can be justified. The break point between hire and purchase is somewhere in the region of 7 hires per year. Return to questions 8. Electrical signals turn on individual pixels in a matrix of cells.