65-2661RK-03-04 M2A Transmitter Operator’s Manual
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Chapter 4: Operation
Overview
This chapter describes the M2A in normal operation. This chapter also describes the M2A
in alarm 1, alarm 2, and fail conditions and suggests responses to these conditions.
Normal Operation
Normal operation is defined as follows:
•
The start-up procedure is complete.
•
The M2A is not indicating an alarm 1, alarm 2, or fail condition.
•
The M2A is not in Calibration, Configuration, or Gas Type modes.
During normal operation, the M2A simultaneously displays the current gas reading, unit
of measure, and target gas.
Information Screen
The Information Screen displays the M2A’s operating voltage and firmware and hardware
information. To display the Information Screen, do the following:
1.
Press and hold the DOWN/NO button for 3 seconds. The Information Screen will
appear.
2.
Continue holding the DOWN/NO button to keep the Information Screen on the
display. The top line indicates the operating voltage that is connected to the M2A. The
second line indicates the firmware that is running, version 5.0 in this example, and the
M2A’s hardware version, version 2A in this example. This information may be useful
if you need to contact the factory with questions about the M2A.
3.
Release the DOWN/NO button when you are done viewing the Information Screen.
The display will return to the normal operation screen within a couple of seconds.
CO2
0.00 %VOL
24.2V
v5.0L 2A
