Display and control panel:
11 O2 connector: connects with nasal cannula or oxygen safety hoses; supply of concentrated
O2
12 Mains power failure LED: activated in case of mains power loss.
13 Mains LED: permanently activated during operation of the device; flashes during the initial
starting phase when the oxygen concentration has yet not reached the guaranteed
specifications for oxygen purity
14 Mains power switch: switches the concentrator on and off
15 Alarm tone mute key: mutes the alarm sound for 20 seconds.
16 Symbol „consult instruction for use“
17 Technical error LED: activated in case of technical fault; always in combination with LCD
error code.
18 O2 error LED: activated in case of low oxygen concentration
19 LC display: displays operating hours and error codes.
20 O2 flowmeter: sets the volume flow