DNA Engine Operations Manual
Entering a Ramp Step
To enter a ramp step, select Ramp from the Enter Menu. The first Ramp screen will
be displayed:
The second line of this screen shows the number of the step being programmed (3
is used in the example above). The last line of the screen allows a ramp rate (in
degrees Celsius per second) to be entered for the step.
Use the keyboard to enter any rate up to 2.5°C/sec (1°C/sec is used in the example below):
Note:
If a ramp rate faster than the Alpha unit's maximum rate of heating and
cooling is entered, the maximum rate will be used.
Press «Proceed». The ramp rate will move to the second line of the screen, and a line
allowing entry of a finish temperature for the ramp step will be displayed:
Enter the finish temperature for the ramp step (69°C is used in the example below):
Press «Proceed». The finish temperature will be moved to the second line of the
screen, and a confirmation menu will be displayed on the last line:
6-12
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Enter: CUSTO M 1
3=
Rate C / s : _
Enter: CUSTO M 1
3=
Rate C / s : 1
Enter: CUSTO M 1
3= 2.0 / s
Finish temp: _
Enter: CUSTO M 1
3= 2.0 / s
Finish temp: 69
Enter: CUSTO M 1
3= 2.0 / s t o 6 0 . 0
OK? _YES No Option
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