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STaTUS IcONS
When necessary, the following three status icons will be displayed
on the right hand side of the display.
Display units
This will be either ‘PPM’ or ‘%’ for oxygen concentration values.
Press and hold ‘display’ button to change the display units.
Alarm status
Whilst the alarm is active, a speaker icon will flash on the
display. If the mute function is activated then the speaker icon
will show a cross
beside it.
