270M
Rapid Scanning Imaging Spectrograph
contact point that indexes in a grooved insert on the backup plate. The third point,
also at the bottom, is a slightly convex surface on the grating capsule that rests
against a flat surface on the backup plate. With
all
three points
in
proper positions,
push the retaining leaf spring back and down
to
hold the grating in place, ready for
use.
6.3 Turret Grating Mounts:
Systems with grating turrets have mounted and aligned gratings on the each turret
assembly. It is best not to remove gratings from the mounts
or
disturb their
adjustments.
If your 270M has a turret option, you may select either grating on the turret
automatically, using the controller or software that is connected to your system. Refer
to the manual that pertains to your system's controller or software.
If you have the 270TK interchangeable turret, it may be removed and replaced with
other prealigned turrets. To remove a turret, refer
to
Figure
9.
First loosen the
setscrew in the collar at the top of the turret shaft. Then remove the collar and shim
washer. Grasp the turret by the sides, being careful not to touch the face of either
COLLAR
SPUR
GEARS
Revised November 24,
1992
Sl!rr
■
CIEW
SINE
BAR
SIN!
IIAR
FOLLOWER
-111111
NOT!!•
ROTATION
■
TOP
MUST
IIE
ON
THIS
SIC!!
OF
TI-E
STOP
IIAR
Figure 9:
270TK
Interchangeable Grating
Turret
MAN0033
25
Leica Microsystems, Inc.'s Ex. 1033
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