User interface
Status bar color
codes
Sounds
Example
Standard pressure
display
Example
Pressure display
PC 520, PC 620
42
5.4.2 Display elements
Status bar
Color
Meaning
Standard
Gray
Yellow
Warning
Error
Red
Sounds
Sound
Meaning
Touch tone unless muted
` Feedback entry
Warning or error
` Shows that an error or warning is present.
` Active while error status persists.
Pressure display
Symbol (icon)
Meaning
Standard pressure display
` Pressure curve – analog pressure dis‑
play.
` Digital pressure display.
Actual pressure
Blue
Control range
Gray
Pressure setpoint
Blue dividing line – animated during op‑
eration
Actual pressure and pressure unit
Pressure display for 2 vacuum connec-
tions
` Analog and digital pressure display for
2 processes (A + B).
` Switch between the processes by tap‑
ping the symbol.
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