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e. After the pumping countdown reaches zero
and the Red LED goes out, SUPPORT the
purple goniometer surface with one hand
and GRIP the holder securely with the
other.
Slowly
counterclockwise from 5 o'clock to 12
o'clock position.
f. Gently SLIDE the holder to into column of
the microscope until it stops. TAP the end
of the holder to make sure it is securely
seated.
g. After INSERTING the Sample Holder, WAIT
until the IGP value is lower than 20 Log.
h. VERIFY the apertures inserted are correctly
inserted. Condenser (Upper) and Objective
(Middle) apertures are inserted (lever to the left) and the dial at number 3. The
Selected Area Electron Diffraction (SAED) aperture (lower) should be retracted (lever
to the right).
3. High Tension (Accelerating Voltage) and Filament Saturation
a. To select the accelerating
voltage (High Tension), PRESS
the Parameters key to open the
Parameters pages. On the first
of these pages, the kV may be
modified by pressing the left
(lower the HT) or right (increase
the HT) key adjacent to the
High Tension kV notation on
the screen. VERIFY the High
Tension is 200 kV.
ROTATE
the
holder
2017.07.07
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