4-2
4. AUDIO PAUSED key
Press to initiate AUDIO PAUSED for 120 seconds, so that audible alarm tones of the
active alarms are switched off. If AUDIO PAUSED exceeds 120 seconds, the AUDIO
PAUSED status terminates automatically and audible alarm tones are restored. If a new
alarm is triggered under AUDIO PAUSED status, the AUDIO PAUSED status
terminates automatically and audible alarm tones are restored. Under the AUDIO
PAUSED status, press this key a second time to terminate AUDIO PAUSED status.
5. Battery indicator light
Lit: when the battery is being charged or is already fully charged, and the ventilator is
operating on external power supply(AC power or DC power).
Flash: when the ventilator is operating on battery power.
Not lit: when the ventilator is not connected to an external power supply (AC power or
DC power), or the ventilator is not equipped with a battery, or the ventilator battery is
faulty.
6. External power indicator light
Lit: when the ventilator is connected to an external power supply (AC power or DC
power).
Not lit: when the ventilator is not connected to an external power supply (AC power or
DC power).
7. Power switch (with indicator light)
Press to power on/off the system. Switch is lit when the system powers on the ventilator
and not lit when the system powers off the ventilator.
The ventilator display shows ventilation parameters, pressure/flow/volume waveforms and
spirometry loops, etc.
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