5.12 Switching the metronome on and off
60
50
40
CP R
30
20
10
0
60
50
40
CP R
30
20
10
0
5.13 Calculation of oxygen content/remaining
operating time
Oxygen content of cylinder
Oxygen volume = volume of cylinder x cylinder pressure.
Cylinder volume
Example 1
10 l
Example 2
10 l
1. With the device switched off, press and hold the
2. Release the CPR key.
CPR
3. Press the CPR key:
4. Press the CPR key to change the status of the
5. Press the on/off switch to confirm the status of
CPR key. Briefly press the on/off switch.
–
LED 50 mbar (red) lights up: the metronome
is deactivated
–
LED 45 mbar (green) lights up: the metro-
nome is activated
metronome.
the metronome:
–
1 x audible confirmation: metronome
deactivation is confirmed
–
2 x audible confirmation: metronome
activation is confirmed
x cylinder pressure = oxygen content
x 200 bar
x 100 bar
= 2000 l
= 1000 l
Using the ventilator
EN
39