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Mains voltage Voltage selector setting
of the filter
Select the mains cable corresponding to your mains outlet.
Discard unwanted mains cable immediately. Connect the
instrument to a grounded mains outlet.
Do NOT switch on.
Special care must be taken when handling interference
filters. DO NOT touch the filter surface. The filters should
not allowed to come in contact with any liquid or exposed
to temperatures above 60 °C. For directions on cleaning
interference filters, see Section 5.4
Select the appropriate filter for the wavelength to be used.
Insert the filter and converter or aperture in the optical unit
(Fig. 4:7, Fig. 4:8). Each filter is marked with its wavelength and
the letter F. The 280 nm converter is marked 280 C. The
aperture for use with the 254 nm or 405 nm filters is marked 0.
The filter and converter or aperture must be pushed fully home.
Converter or Aperture
280 nm 280 F 280 C