The laser filter slider must be ajusted for rodamine or fluorescein. The inner position is for rodamine, and the outter position is for fluorescein. The laser to be used must also be selected. To ajust brightness and contrast, use the thumb wheels. The top thumb wheel is for ajusting contrast and the bottom is for brightness.
Total magnification is objective mag.
A filter can be used to ajust the laser intensity. This barrier is used to affect the intensity of laser hitting the sample, so it can be used to slow photo bleaching. Brightness and contrast should be the same as on the monitor. If they are not, they can be ajusted on the thermal printer. Image sharpness can also be ajusted with the sharpness switch.