This could cause a contact to close and activate some warning device such as a buzzer, or cause the switcher to select the camera that detected the motion. The sampling process may take somewhere between one fiftieth of a second and one second to detect a change, depending on the method of sampling.
The U.S. Bureau of Labor Statistics (BLS) reported that jewelers and precious stone and metal workers in general made an average annual salary of $38,840 in May 2012 (www.bls.gov). The bottom 10% made $19,600 a year or less, and the top 10% made $61,940 a year or more.
Wages and Qualifications. The average hourly wage for a computer repair technician was $18.53 as of May 2012, according to the U.S. Bureau of Labor Statistics, or $38,550 annually.The top 10 percent made over $28.87 per hour, or $57,960 per year.While many employers prefer hiring computer repair technicians with electronics training in the military or at vocational schools, the minimum requirement for this job is a high school education and some basic certification in computer repair.he top 10 percent made over $28.87 per hour, or $57,960 per year. While many employers prefer hiring computer repair technicians with electronics training in the military or at vocational schools, the minimum requirement for this job is a high school education and some basic certification in computer repair.