4 Operation
4.1 LOP – Controls
LOP – Controls
Item Color Inscription Meaning / Function
1 White F1 Function keys for operating the screen.
Functions vary and are displayed on the LCD screen.
2 White F2
3 White F3
4 White F4
5 White F5
6 White ALARM AC‐
KNOWLEDGE
Pressing the key the first time stops alarm signalization.
Pressing the key a second time acknowledges an active
alarm.
LED (spot) lights up when an alarm is active.
7 White DIMMER ↑ Holding down the key increases LCD background illumina‐
tion.
110 | Operation | MS150031/05E 2013-01
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