optrel SWISS AIR Mode D'emploi page 6

c1
2x
1x
>3h
2x
<3h
1x
c4
c7
c10
USB type C
c2
beep
1x beep
= level 1
2x beep
= level 2
3x beep
= level 3
c5
c8
c11
not included
1x / air ow level
1x / Lufstromstufe
III
c3
1x
c6
1
2
c9
c12
beep
3