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2.8 Warning signals and alarms
Device Event Alarm frequency
Laser system Running procedure
n
Two beeps per second with a
frequency of 2 kHz and a
volume of 55 dB
Laser chiller Critical readings for flow,
temperature, or water
level
n One beep per second
n
Color-coded visual signals are displayed on the shear force display and in the
software GUI on the monitors of the assistant workstation and the surgeon
control screen. Every time the color of the symbols, signs, or LEDs changes to
yellow or red, a fault has occured in the corresponding system.
The meaning of colors on the shear force display and in the software GUI fol‐
lows the principle of traffic lights.
n
A flashing visual signal may be displayed on the LED bar display of the
vacuum pump unit if a serious error in the vacuum pump unit has occurred.
2.9 Safety devices
Danger to life from non-functional safety devices!
If safety devices are not functioning or are disabled, there is a danger of
severe injury or death.
– Ensure that all safety devices are fully functional and correctly installed
before starting work.
– Never disable or bypass safety devices.
– Ensure that all safety devices are always accessible.
Acoustic alarms
Visual signals
L
WARNING
SAFETY
2
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