Manual

Operating Manual Freeze Dryer ALPHA 1-4 LDplus / ALPHA 2-4 LDplus LDplus Control System  41
5. LDplus Control System
5.1. Introduction
LDplus (Lyo Display Plus) stands for a convenient user interface for
controlling freeze-drying processes.
5.2. LDplus control panel
1. Illuminated LC display (240x64 pixels)
2. Left softkey
3. Right softkey
4. “Up” key
5. “Down” key
5.3. Brief Guide - Handling
The LDplus control system is operated via four keys that are
located centrally on the touch-sensitive control panel.
The following functions are assigned to the four keys :
 Left softkey
& right softkey
Softkeys are keys with dynamic functions assigned to them.
The current key function is displayed next to the key. Softkeys
allow the control system to be operated in a particularly easy
and transparent way.
 “Up” key & “down” key
The “up” key
and the “down” key are used to select set
values and actual values to be displayed in the values window.
The “up” key
is assigned to the left-hand values window and
the “down” key to the right-hand values window. If one of the
keys is pressed, the system scrolls through the available set
values or actual values. Inside the menu, the “up” key and the
“down” key
are used to shift the focus. When parameters are
entered, they are used to change the value.
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