Eppendorf R Series 48R CO2 Incubator - Manual (Page 24)

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CO48R-0050 Š Galaxy R Series 48 R Personal Size CO
2
Incubator User’s Guide
3.6.1 DATE/TIME ADJUST
The date and time are factory-set and will only require adjustment if you are in
a different time zone, or when you change your clocks to Daylight Saving
Time and back again to Standard time. You may also select the style of
display for the date.
A battery back-up system ensures that the correct time/date setting is never lost.
3.6.2
AUDIO VOLUME ADJUST
The audible volume can be adjusted to your own preferences.
3.6.3
PROGRAMMABLE CO
2
AUTOZERO
When you select this feature, the PROGRAM CO
2
AUTOZERO screen (see Figure
7 below) allows you to program the AutoZero frequency and time, or run the
AutoZero function manually.
The AutoZero System automatically re-references the CO
2
Sensor to
atmospheric CO
2
in the following way:
1. A pump activates for two minutes, pumping HEPA-filtered atmosphere at
0.3 liters/minute into the sensor’s measuring chamber. This displaces the
chamber atmosphere completely from the sensor.
Figure 7: PROGRAM CO
2
AUTOZERO Screen
NOTE:
This procedure does not affect the internal chamber environment. It will
not affect your cell culture as the procedure is being performed.