Stellar basics
About the control panel
External power supply
LED
On when external battery is
connected.
Internal battery LED
On when internal battery is in
use. Flashes when device is
turned off and battery is
charging.
Alarm LED
Red or yellow during an
alarm or during alarm
testing.
Alarm mute button LED
On when
is pressed.
Start/stop button
Key
Start/Stop
Alarm mute
Menu keys
Push dial
10
Mains Power LED
On when operating on
mains power.
Function
• Starts or stops treatment.
• Extended hold for at least three seconds starts the
maskfitting feature.
• During therapy: Press once to mute an alarm. Press a
second time to un-mute an alarm. If the problem is still
present, the alarm will sound again after two minutes.
See "Working with alarms" on page 13.
• In stand-by mode: Extended hold for at least three
seconds starts the alarm LED and alarm buzzer test.
Press the appropriate menu button (Monitoring, Setup, Info)
to enter and scroll through the relevant menu.
Turning the dial allows you to scroll through the menu and
change settings. Pushing the dial allows you to enter into a
menu or confirm your choice.
LCD Screen
menu
Monitoring
menu
Setup
menu
Info
Push dial
(rotate/
click)
Therapy LED
On during treatment.
Flashes during mask-
fitting operation.