3-3
3 First Steps
3.3 Control Elements
View from
above
The view from above of the PDV with its control elements is shown in
FIGURE
3.1.
Figure 3.1: View from above of the PDV
1 Beam shutter
Beam shutter to block the laser beam (refer to
SECTION
5.2)
WARNING!
Danger from laser light ! Only open the beam shutter when you are making
measurements!
2 Focusing ring
Ring to focus the laser beam (refer to
SECTION
5.3)
3 Clamping screw
for the focusing ring
Allen screw to fix the focusing ring after focusing the laser beam (refer to
SECTION
5.5)
4 Liquid Crystal Display
(LCD) with background lighting
The display shows the settings of the vibrometer. The organization of the display
and how to use it to operate the vibrometer is described in detail in
SECTION
5.6.
5 Selection key
By using this key the cursor is moved in a circle on the display from one
parameter to the next. The cursor is used to select the parameter which should
be changed (refer to
SECTION
5.6).
6SET
key
By using this key the setting of the selected parameter is changed (refer to
SECTION
5.6).
1 2 4 5 6
3
L a s e r s t r a h l u n g
N i c h t i n d e n S t r a h l b l i c k e n
L a s e r K l a s s e 2
N a c h E N 6 0 8 2 5 - 1 ( 2 0 0 1 )
P £ 1 m W / c w ; l = 6 2 0 - 7 0 0
n m
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