User Manual

Last Calibration Window • 67
while the bump test data appears in the bottom half of the screen.
NOTE: The calibration interval, the number of days after a calibration that
a new calibration is due, is saved in the instrument but it is only
accessible in the instrument’s Maintenance Mode. If the
calibration time limit is changed in the instrument using
Maintenance Mode, the new calibration time limit value will not be
known by the program until the instrument is downloaded.
The Need Calibration/Need Bump Test view option shows the following
fields for both calibration and bump test data:
• No. — lists, in numerical order, the sequence of instruments whose
data have been downloaded to the computer. The most recently
downloaded instrument will be No. 1.
• SerialNo — shows the serial number of the instrument that was
downloaded.
• UserID — shows the user ID of the of the instrument that was
downloaded.
• StationID — shows the station ID of the instrument that was
downloaded.
• Target Gases (CH4 or HC, O2, H2S, CO) — shows when the unit
Figure 66: Last Calibration Window: Need Calibration View Option