13
15140-101 Rev. C
Operation
(continued)
11. The angle between the illumination system and
the microscope can be varied between 0° and
90° to either the left or right. Refer to Figure IN-5.
12. The illumination angle is indicated on the
Illumination Angle Scale on the slit lamp arm.
Refer to Figure IN-6.
13. Magnification is altered by rotating the
Magnification Dial on the Microscope Assembly.
Refer to Figure IN-5.
Note:
The magnification of each click-stop position
is engraved on the Magnification Dial.
14. The slit width can be adjusted by rotating the Slit
Width Knobs. Refer to Figure IN-7.
Adjusting Slit Length
The slit length is adjusted by rotating the Slit Length/
Rotation Dial. The dial has five stops for adjustments.
They are 12, 9, 5, 3, 1 and 0.3 mm diameter and
continuous length. Refer to Figure IN-8.
Filters
There are five filters that can be used by indexing
the Filter Lever to the coordinating Filter Dot. The
Filter Dots are color coded. Refer to Figure IN-8.
The color coded filters are as follows:
Blue dot = Cobalt Blue
Red dot = Heat Absorbing
White dot = Open
Gray dot = Neutral Density
Green dot = Red-free
Figure IN-7 Slit Width Adjustment
Slit
Width
Knobs
Figure IN-5 Illumination Angle
Magnification
Dial
Illumination
Angle
Figure IN-6 Illumination Angle Scale
Figure IN-8 Slit Width and Filters
Slit
Length/Rotation
Dial
Slit
Length Scale
Filter
Lever
Filter Dots
(Only 3 Visible
in Figure
Instructions for Use
(continued)
Summary of Contents for XCEL 455
Page 1: ...XCEL 455 Slit Lamp User s Guide...
Page 26: ...26 15140 101 Rev C Notes...
Page 27: ...27 15140 101 Rev C Notes...
