Part 3 Operation
3.1
Understanding the Controls and their Operation
The OMD-480 Portable Percent Oxygen Analyzer is a feature packed unit with an easy to use menu
interface. The key attributes within the menu are the ability to select a measurement range, both
manually or set it to the auto-range mode. To calibrate the unit with a known gas, also refered to as a
SPAN Calibration or SPAN CAL. Adjust the Date / Time stamp on the display and to set the “minutes”
interval when data logging via USB flash drive.
All features are programmable / selectable through the MENU bottom. The UP / DOWN arrows will
allow you to select your setpoints and the enter buttom saves the data. If you want to cancel your selec-
tion, or return to the previous screen the escape key ESC will allow you to do this. Once the unit starts
up, the following HOME Screen will appear:
Operating Range
Current Sensor Reading
Identifier, Manual
or Auto Range
Battery Level
(Charging)
USB Icon
OMD-480
Time & Date
