Operation
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4-5
Removing an Alpha Unit
Caution:
Do not insert or remove an Alpha unit with the DNA Engine Tetrad 2
cycler turned on; electrical arcing can result. Read the safety warning at
the beginning of this manual on page iv regarding electrical safety when
inserting or removing an Alpha unit.
1.
Turn off the DNA Engine Tetrad 2 cycler (see the Caution above).
2. Pull upward on the handle. When the lock releases, you will hear a click, and the
Alpha unit will slide a little outward from the center of the cycler. The electrical
connectors of the Alpha unit and the DNA Engine Tetrad 2 cycler are now disen-
gaged, and there is little danger of electrical shock.
3. Slide the Alpha unit from the center of the DNA Engine Tetrad 2 base, about 3 cm.
4. Grasp the front and back edges of the Alpha unit, and lift it out of the machine.
Figure 4-1
Installing an Alpha unit (as shown on a DNA Engine Dyad
®
thermal cycler).
A
B
