Operating elements and displays on gas control panel
1
Pressure gauge for oxygen (O
2
)*
2
Pressure gauge for air (AIR)
3
Pressure gauge for nitrous oxide (N
2
O)*
4
Green area indicating adequate gas pressure
5
Control knob for negative pressure for bronchial aspiration
6
Switch for generating negative pressure
7
Hose connection for measuring airway pressure (P
aw
)
8
Connector for flow sensor (
*
)
9
Hose connector for sample gas return line
10
Master switch for power and gases
11
Pressure gauge for negative pressure
12
Fresh gas connection
* The positions of these gauges are swapped in some countries
What's what
143
Gas / Power
OFF /
O
ON /
I
Press
I
O
Vac.
N
2
O
Air
O
2
.
P
aw
*
Gas
Frischgas
1
4
5
6
7
8
9
10
11
12
2
3
19229278
Fresh gas
