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Operator's Manual
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3-14
I:E LED is illuminated green when I:E Ratio is displayed.
I:E Ratio is determined by the / and t
I
settings. If expiratory time is longer
than inspiratory time, the display format is 1:X.X. If expiratory time is
shorter than t
I
, the display format is X.X:1. When the I:E Ratio is inverse, the
I:E Ratio indicator illuminates once every breath. I:E Ratio does not function
during SPONT mode.
3.2.17 Internal Battery Test Button and Indicator
Figure 18 – Internal battery Test Button
When the FLIGHT 50 Ventilator is powered by the dual internal battery, the
LED on this button illuminates as follows:
A yellow LED indicates the internal battery system is in use.
A blinking yellow LED indicates low power.
A blinking red LED light indicates when the battery system is completely
discharged. Pressing this button allows the Int. Battery Charge Level to be
read in the lower half of the Paw meter window. The battery charge level
should only be tested when the FLIGHT 50 Ventilator is operating on the
dual internal battery. Testing while plugged into any external power source
will give inaccurate readings.
Test the FLIGHT 50 Ventilator dual internal battery periodically to verify that
the charge level is in the blue area. The numbers on the Paw meter do not
reflect the percent of charge.
3.2.18 Internal Battery Charge Level Meter
Figure 19 – Internal Battery Charge Level Meter
The Int. Battery Charge Level meter is located beneath the Paw meter. If
the needle is in the red when the test button is pressed the battery charge is
low. You should use an external power source. The blue area indicates
medium to full battery charge. Each battery use time is different based on
your conditions. The numbers on the Paw meter do not reflect the percent of
charge.
The battery charge level is best maintained by keeping the
FLIGHT 50 Ventilator continuously plugged into an external
power source.