7
Description of the device
Figure 6: Rear view of device.

Side view

Some device models are fitted with a metal connector for attaching an
oxygen supply (see next Figure).
For instructions on connecting the oxygen source to the device, see
“Connecting supplemental oxygen (optional)” on page18.
Figure 7: Metal connector for optional O2 pressure.
1
3
2
Anti-dust filter
(Air inlet)
Fastening clip
Power supply socket
Socket for external battery
O
2
O
2
Connector for
oxygen circuit
(Symbol )