Setup and Bright Field Alignment

2- Turn on the main power switchBefore you turn the power on (P in the | position), be sure the light intensity control (O) is in the full counter clockwise position, at its minimum. Powering up the lamp with the light intensity control set on high shortens the life of the bulb and you can't be sure that the previous user was as contentious as you will be when you minimize the intensity control when you turn the microscope off and put it away.