Shimadzu SPD-20A - Page 35

228-90095F
3
5
(Model SPD-20AV)
The Hg lamp will project multiple images onto the slit from multiple
reflections in the VIS filter, as shown below. Adjust the Hg lamp by moving
it in the direction of the arrow shown below, until the brightest Hg lamp
image hits the center of the monochromator.
Brightest Image