Fisher ALPHA 1-2 LDplus Operating Manual page 51

44 • LDplus Control System
5.7.4.2 Language
The LDplus control system can be used in the German, English or
French language.
5.7.4.3 Settings
The Settings menu is used to customise the operation and process
management of the control system.
Warm-up vacuum pump
Warm-up time required by the vacuum pump. In case of doubt, please
refer to the operating manual of the vacuum pump. You can set a
warm-up time between 5 and 60 minutes.
Automatic phase change
The system automatically continues with the next phase when the
preselected time is over (timer active).
This applies only to a phase change from:
Click upon key depression
A brief signal can be heard whenever a key is pressed.
High temperature resolution
Temperature are displayed in the values window with a resolution of
1
/ °C, normally with a resolution of 1°C.
10
Defrost ice condenser
Time required for defrosting the ice condenser
5.7.4.4 Service
The service menu is reserved for the service engineer.
This area is password-protected and not available to the user.
•
Freezing Warm-up vacuum pump
•
Main drying Final drying
Operating Manual Freeze Dryer ALPHA 1-2 LDplus