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Color concept
Colors are used to highlight operating sequences.
They indicate the status of the soft keys.
Light green
– can be operated, leads to an-
other menu or operating func-
tion
– not yet active, presettings
Yellow
– selected, can be changed or set,
not yet confirmed
Dark green
– active parameter, can be oper-
ated
– current selection (configuration
menu)
Gray type
– cannot be operated
Color examples for horizontal soft keys
The horizontal soft keys appear dark green (A)
when operable.
B
Proceed as follows to set a ventilation parameter:
1 Push the relevant soft key (B). The color-
changes from dark green to yellow, the setting
function has been selected.
2 Change, confirm the value = turn, push the ro-
tary knob. The color changes from yellow to
dark green, the set value has been confirmed
and is now effective.
D
If other set values (C) change automatically when
setting a parameter, these changed settings only
appear in yellow in the area around the parameter
value (D).
Instructions for use Primus SW 4.5n
Keys with presettings which are not yet active ap-
pear in light green (E).
The selected parameter is yellow (F) and can be
changed.
Values shown in gray (G)
G
– indicate discrepancies between the set and the
actual values (e.g., following a failure of the O
supply)
– indicate that the specified accuracy is not being
maintained.
A
C
Operating concept
F
E
2
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