Dräger 8000 IC Operating Instructions Manual page 56

Operation
After about 45 to 135 seconds calibration is complete.
1 Display shows alternately CAL and 21 Vol.% O
Swing sensor module back to its operating position
inside the hood, otherwise sensor alarm.
2 The set value »21« flashes in display.
3 Press short P or p to confirm the calibration and
the set value for oxygen concentration.
Or
3 Press P or p button, untill the desired set value is
reached (21 to 40 Vol.% O
1 The oxygen concentration inside the incubator hood is
now measured and the actual value displayed.
Setting oxygen concentration higher
than 40 % O
2
4 Press button 4,
5 yellow indicator-LED >40 % will light.
6 Press P or p button, untill the desired value is
displayed.
If the setting is reduced to values under 40 Vol.% O
– the extension of the range of settings is automatically
canceled.
Alarms
If a deviation of more that ±5 % between the setting and
the measurement occures:
7 Red LED alarm and
8 red LED ±5 Vol.% are flashing,
9 Display flashes and intermittend audible alarm starts.
The intermittend audible alarm can be muted for
10 minutes:
10 Press G button,
g g g g
11 yellow LED and
7 red LED alarm will light.
When the deviation is again less than ±5 % :
LED ±5 Vol.% and LED alarm go out.
The audible alarm is silenced.
g g g g
yellow LED goes out.
56
.
2
)
2
:
2
Setting oxygen concentration
higher that 40 % O
VOL.%O
2
1
Vol.%
O
2
Vol.%O
2
>40%
3
3
2
Cal.
Control
21%
VOL.%O
2
Vol.%
O
5
2
Vol.%O
2
>40%
6 6
Cal.
Control
21%
9
Vol.%
O
2
Vol.%O
2
>40%
8
Cal.
Control
21%
2
Alarms
4
7
11
10
Check