BUCHI SpeedDigester K-439 - Manual (Page 35)

6 Operation
35 K-439 Operation Manual, Version A
All entered steps are now run through automatically. The set and actual temperature as well as the
remaining time, which includes the entered cooling-down time, are indicated on the display
As soon as the heating process is finished, the display starts blinking, the buzzer beeps and the
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info message "Heating finished" appears. Confirm the message by pressing OK. The racks now
have to cool down.
When the cooling time is over the display starts blinking, the buzzer beeps and the info message
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"Digestion done" appears. Confirm the end of the process by pressing the OK button.
6 .6 .4 Digestion in Automatic Mode
A digestion in Automatic mode can be started in two different ways:
Loading a method from the methods menu (see description above). –
Selecting the Automatic menu to start the method that was last used to carry out a digestion. –
For this purpose:
Select Main Menu > Automatic. The Automatic screen appears with the same settings as used for •
the last digestion process.
You can now select the row(s) to be active, by pressing Row and then the ± buttons. Then press
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OK to confirm.
To define an optional delay time for the start of the digestion, press Timer and enter the
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corresponding time using the ± buttons. Then press OK to confirm. The preheat function is auto-
matically set to "Preheat ..continue" when the timer is activated.
To change the Preheat function, press Preheat and select "..wait" or "..continue" using the ±
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buttons. Then press OK to confirm.
Press the START button to start the preheating. As soon as the temperature entered for preheating
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is reached, the system is ready to start the digestion. The display starts blinking and the buzzer
beeps three times to indicate the ready status.
When the preheat function "Preheat ..wait" is selected, press the START button to start the diges-
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tion process.
When the preheat function "Preheat ..continue" is selected, the digestion process starts directly.
All entered steps are now run through automatically. The set and actual temperature as well as the
remaining time, which includes the entered cooling-down time, are indicated on the display.
The icons show, whether the heating elements are hot, the Scrubber is running, which step is
currently in progress and which rows are active. The current process status is indicated on a
progressive diagram.
As soon as the heating process is finished, the display starts blinking, the buzzer beeps and the •
info message "Heating finished" appears. Confirm the message by pressing OK. The racks now
have to cool down.
When the cooling time is over the display starts blinking, the buzzer beeps and the info message
•
"Digestion done" appears. Confirm the end of the process by pressing the OK button.