Design and functional description
Rear view
1 Docking station interface
2 O
2
Sensor cover
Use only original Stephan O
2
sensors
3 Internal battery 1
4 External battery 2 (optional)
5 External battery charge level indicator
Lets you check the battery even when the
device is switched o (LEDs).
6 Power supply input
7 Reset button
(no reset to factory settings)
8 Docking station bracket
9 Adjustable bracket