Respironics BiPAP Focus Operator's Manual page 60

Symbols
Symbol Meaning
ON/OFF switch
(press "O" to turn OFF; press "|" to turn ON).
Manufacturer approved power supply for use with the
ventilator.
Electrical Input
Gas inlet port
Gas output port
LOT code
Serial number
Catalogue number
Battery (battery compartment door)
Alarm indicator. Shows if an alarm is active (flashing) or
autoreset (steadily lit indicator).
Alarm reset. Clears active and autoreset alarms or
cancels an Alarm Silence.
Alarm Silence. Mutes the audible alarm for 2 minutes.
Each key press restarts the 2-minute interval. The
indicator lights (yellow) when Alarm Silence is active.
Standby turns the system ON or puts it into Standby
mode.
Power indicator LED lights up to show that the ventilator is
operating from an AC power source.
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54 BiPAP Focus™ Noninvasive Ventilator System
1027404 Rev K