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OXYGEN DEFICIENCY MONITOR PAGE 4
4. Alarms
4.1 LOW OXYGEN CODITION: When the % oxygen falls below 19.5
(factory set) the digital display will be augmented by an audible
alarm when using either internal or external sensor. The red LED
will also truno on to provide visual indication. If an earphone is in
use the alarm will only sound through the earphone.
4.2 LOW BATTERY VOLTAGE: When the battery voltage falls below
3.6 volts, the warning “BAT” will display in the upper left corner.
4.3 LOW SENSOR OUTPUT: Sensor failure will be indicated by
abnormally low, unadjustable, reading on the LCD display.