Safety Precautions
xiii
WARNING
12. Cautions on replacing the filter cube
The following caution label is affixed to the cover of the fluorescence filter cube replacement port
of the FL turret. This label reminds you of the following precautions:
Close the shutter
before opening the cover
of the filter cube slot.
Caution label (fluorescence filter cube replacement port cover of the FL turret)
• Be sure to close the shutter of the FL turret when opening the filter cube replacement
port.
If the cover is open, illumination including ultraviolet light will leak from the aperture when the
cover of the replacement port is opened, possibly disturbing epi-fl microscopy. Leaked light
might also be harmful to the eyes.