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Low Battery Indicator -
BAT
The low battery indicator is located at the
middle of the display and is only activated when the voltage on the batteries
is below a normal operating level.
High Alarm Indicator - The high alarm setting is displayed at all times just
below the "HIGH" icon on the LCD readout. The indicated value represents the
oxygen percentage at which the high alarm will be activated.
Calibration Reminder - The calibration reminder symbol is located at the
bottom of the display. This symbol will be lighted after one week has elapsed
from the previous calibration.
Low Alarm Indicator - The low alarm setting is displayed at all times just
below the "LOW" icon on the LCD readout. The indicated value represents
the oxygen percentage at which the low alarm will be activated.
Up (Alarm High) Key - The up key is used in setting the high FiO
2
alarm
limit. The device must be in the unlocked state for the key to operate. See
section 2.3.2 for instructions on setting the high FiO
2
alarm limit.
Silent Key - In an alarm condition, pressing the SILENT key will deactivate
the audio alarm for 2 minutes.
ON/OFF Key - This key is used to turn the device on or off. To turn the
device OFF, the button must be held while a rapid 3-2-1 countdown takes
place to prevent accidental power-off.
Calibration Key - This key is used to calibrate the device. The device
must be in the un-locked state for the key to operate. See section 2.8 for
instructions on calibrating.
Down (Alarm Low) Key - The down key is used in setting the low FiO
2
alarm limit. The device must be in the unlocked state for the key to operate.
See section 2.3.1 for instructions on setting the low FiO
2
alarm limit.
Un-lock Key - The un-lock key is used to unlock and lock the instrument.
Sleep Mode Indicator - The sleep mode indicator is used to help with
battery consumption.
Flow Control Knob - The flow control knob controls the flow of gas exiting
the flowmeter.
Oxygen Flowmeter - Measures the flow of mixed gas exiting the flowmeter outlet.
Backlight Key - The backlight key will manually activate the backlight for 30
seconds. See section 2.6 for more information on backlighting operation.
Smart Alarm Key - The Smart Alarm key is used to help set the High-Low Alarm
window quickly. See section 2.3.3 for instructions on using the Smart Alarm setting.
Bleed Toggle Switch - Turns on the auxiliary bleed. The bleed must be
turned on whenever the total flow delivered to the patient is less than 15
LPM for high flow model, or less than 3 LPM for low flow model.
CAL
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