CO2 Analyzers 3100 & 3150
Instruction 19-9339
39
7.5.5 Reset Factory Settings
This option will reset the instrument to its factory programmed
calibration characteristics and will clear the user calibration points for
both gas channels.
1) To reset to factory settings, press “KEY 1 - FACTORY RESET” from
the “CALIBRATION” menu.
2) To prevent the user calibration data being accidently erased the
user must con
fi
rm the action by pressing the soft-key “ACCEPT” or
soft-key “REJECT” to exit without change.
7.6 Last Field Calibration
This data can be found in the “INFORMATION” screen accessed via
the “UTILITIES” menu. This option displays the date that the last
fi
eld
calibration was performed on the instrument.
7.7 Calibration Record
The CO
2
instruments have the facility to log user calibrations via
the “EVENT LOG.” This can be used as an aid in ensuring that gas
measurements are valid and accurate.
During calibration the instrument will record the following in the event
log. For each entry the time and date will be stored.