OPERATION
Axio Observer Operating and function controls - description ZEISS
12/2016 431004-7244-001 89
Slot A for aperture diaphragm slider MAT or slot F for iris diaphragm slider as luminous-field
diaphragm (Fig. 60/8 or 6)
− For Axio Observer 3 materials, 5 materials and 7 materials stands
− Insert the aperture diaphragm slider MAT into slot A
− Insert the iris diaphragm slider (Fig. 68/1) as luminous-field diaphragm into slot F
− Insert the slider into the slot until it clicks into place
− The aperture opening symbol (wedge) should be facing towards the user
Manual iris diaphragm slider as luminous-field
diaphragm, manual FL attenuator or manual
aperture diaphragm slider MAT
− The lever (Fig. 68/4) on the slider is used to
open and close (lower position) the iris
diaphragm
− The two centering screws (Fig. 68/2 and 3;
socket head SW 3) permit the stop to be
centered in the beam path
− The FL attenuator is used to attenuate the light
in the fluorescence path when using the
HBO 100 (slot A)
− The FL attenuator has six labeled positions
which are selected by turning the control wheel
Motorized iris diaphragm slider as luminous-
field diaphragm, motorized FL attenuator or
motorized aperture diaphragm slider MAT
− The motorized slider and motorized FL
attenuator can be inserted only with a
motorized reflected light path (only
Axio Observer 5, 5 materials and 7, 7 materials
stands)
− The diaphragm is opened or closed by pressing
the appropriate button on the slider
− The motorized (or manual) FL attenuator is used
to attenuate the light in the fluorescence path
when using the HBO 100 (slot A)
− The FL attenuator has six positions which can be
selected in forward or reverse order by pressing
buttons (Fig. 69/1) and (Fig. 69/2)
Drive knobs for controlling XY positioning of the mechanical stage (Fig. 57/18) or object guide
(if the 250x230 specimen stage with object guide is fitted)
− Upper drive knob: movement in the Y-direction
− Lower drive knob: movement in the X-direction
Fig. 68 Iris diaphragm slider, manual
Fig. 69 FL attenuator, motorized
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