User Manual

Control Buttons • 11
• Calibration History Files
A calibration history file is saved for each instrument that has been
downloaded. It records the calibration information for every calibration
that was downloaded. The instrument can save information for up to
124 bump tests and calibrations in its memory.
• Alarm Event Files
Alarm event files record gas alarm events that have been downloaded
from instruments. The instrument can save up to 124 alarm events in its
memory.
• Trouble Event Files
Trouble event files record sensor failure and system failure events that
have been downloaded from instruments. The instrument can save up
to 124 trouble events in its memory.
• Interval Trend Data Files
Interval trend data is logged at the interval time defined in the
instrument. Each logged point is an average reading over the previous
time interval.
• Bar Hole Mode Data Files
Bar hole mode data is logged when the instrument is taking bar hole
samples. The average and maximum gas readings for combustible gas
and oxygen are recorded.
• Normal Operation Snap Log Files
Normal operation snap log files contain gas reading information that
was taken in Snap Log Mode in Normal Operation. A station ID is
associated with each snap log.
• Leak Check Operation Snap Log Files
Leak check operation snap log files contain gas reading information that
was taken in Snap Log Mode in Leak Check Operation. A station ID is
associated with each snap log.
NOTE: Only Gas Tracer instruments will have Leak Check Operation
Snap Log Files since the GX-2012 cannot be used in Leak Check
Mode.
• Alarm Trend Data Files
Alarm trend data is logged around an alarm event. The instrument can
save up to 9 alarm trend data files in its memory.