how to use Shimadzu UVmini-1240 spectrophotometer

Recently i have entered a labratuary and i have to work with a single beam Shimadzu UVmini-1240 spectrophotometer in it and do measurments with it. But i dont know anything about working with it and the application of the buttons,nothing about how to turn on and prepare the conditions for measurments. please help and guide me. Thank you very much.