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9 Click adapter
For connecting the breathing tube to the device
outlet port.
10 Pressure measurement tube
For measuring the pressure prevailing in the
breathing mask.
11 Breathing tube
The air flows to the mask through the breathing
tube. The breathing tube consists of creased tube,
pressure measurement tube and click adapter.
12 Exhalation system
This is where the exhaled air containing carbon di-
oxide escapes during therapy.
13 Breathing mask
Respiratory air at the required therapy pressure is
supplied to the patient via the breathing mask.
14 Head strap
(accessory)
For correct, secure positioning of the breathing
mask.
15 Softstart
This symbol appears when Softstart time is set or
when Softstart is activated.
16 Filter change
This symbol appears after every 250 operating
hours or when the filter is blocked. The fine filter
then needs to be changed.
17 Inspiration/exhalation/adjustable
value
The up arrow is on during inspiration and the
down arrow is on during exhalation.
Both arrows come on if a value can be changed
using + (Softstart key) or - (Humidifier key).
18 Unit of measurement for therapy
pressure
Therapy pressure is displayed in hPa (hectoPascals)
1 hPa = 1 mbar
1 cm H
19 Respiratory air humidifier
This symbol appears when the humidifier is in op-
eration. The set humidifier stage is displayed.
20 Servicing
This symbol appears after every 5,000 operating
hours. The therapy device then needs servicing.
6
Overview
(accessory)
(accessory)
O.
2
21 On/Off key
For switching the therapy device on and off and
for exiting a menu.
22 Menu key
For opening the Patient menu and for scrolling to
the next value in the Patient menu.
23 Softstart key
For activating/deactivating Softstart, for calling up
Softstart settings and for reducing an adjustable
value.
24 Humidifier key with LED
For activating/deactivating the respiratory air hu-
midifier, for setting humidifier stage during thera-
py and for increasing an adjustable value. The LED
comes on when the humidifier is connected and
switched on.
25 Device ID plate
Provides information about the therapy device,
such as serial number and year of manufacture.
26 Filter compartment lid, air inlet
For covering and securely positioning the coarse
dust and fine filters.
27 Power supply connection
This is where the power cord and optional inverter
are connected to the device.
28 Inverter
(accessory)
For operating the therapy device via a DC socket
(12/24 V).
29 Carrying bag
For transporting the therapy device.
30 O
supply valve
2
For supplying oxygen to the breathing mask.
31 SOMNOclick 300 respiratory air
humidifier
For heating and humidifying the air flow generat-
ed by the therapy device.
(accessory)
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