Operating concept
42 Instructions for use Perseus A500 SW 2.0n
Color concept
Colors of the control elements
The availability of functions and settings is
indicated by certain colors of the therapy controls,
of the therapy bar, and in dialog windows.
Therapy controls and buttons
Rotary knob
The rotary knob lights with different colors.
Waveforms and parameters
Waveforms for mechanical breaths are displayed
in the colors specified in the start settings, see
page 151.
In the flow waveform, spontaneous breathing and
pressure support are displayed in a light brown
color.
Measured values whose specified accuracy
cannot be maintained are displayed in dark gray.
Color Example Meaning
Dark green Available ele-
ment:
function acti-
vated
Yellow Selected ele-
ment:
not yet con-
firmed with
rotary knob
Light green Available ele-
ment:
function not
activated
Dark gray Operating ele-
ment:
currently not
available, func-
tion activated
Gray Unavailable
element
10342
Color Meaning
Blue Therapy in progress
Orange A selected function or setting
must be confirmed.
Flashing
orange
Functions or settings, which are
still not confirmed, will be reset
within the next 5 seconds.