Oldham iTrans 2, Installation And Operation Manual, Page: 38 / 106

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As gas concentrations increase, the
respective channel’s readings will
respond accordingly. If low or high
alarm levels are exceeded, an alarm
indication will appear in the first
digit of the display. An “L” indicates
a low alarm while an “H” indicates a
high alarm. If a 4-20mA fault occurs,
either a “P” indicating an open loop,
or an “U” indicating 4-20 over-range
will be present. From the Normal
Operating Mode, the
can
enter into the program mode in one
of two ways.
Figure 5-3 Sample Low and High Alarm
Displays
To enter the Program Mode without opening the enclosure, pass over the
embedded reed switch located under CH1 with the magnetic wand (see
Figure 5-4). This will enter you into the non-intrusive program mode.
In this mode you can check sensor type, zero the unit, calibrate the unit,
change the span gas value, and view sensor span. With the enclosure top
removed, Program Mode can be entered using the “MODE” key. The
available functions are listed in Chapter 8 | Troubleshooting.