Terumo 801763, Operator'S Manual, Page: 265 / 359

Electronic Gas Blender
8-4
Setting the FiO
2
Alarm
This alarm will notify the user when the FiO
2
falls below the user selected alarm limit.
The FiO
2
alarm reacts to the %O
2
reading from the integrated oxygen analyzer. The
lowest setting is 0.21 for air. The lowest setting is 0.95 for 95/5.
The FiO
2
Alarm is enabled when the alarm value is set and the gas flow rate is set to
any flow rate greater than or equal to 0.2 L/min.
To set or change the FiO
2
alarm limit:
1. Touch the
Setup
tab in the Perfusion Screen and then touch the
Gas
subtab.
2. Touch the button labeled Low FiO2 Alarm . The background of the button will
turn white.
3. Use the up and down arrows that appear on the right side of the CCM to adjust
the limit.
4. Touch the Low FiO2 Alarm button again to store the new value.
To disable the alarm, set the limit below 0.21 when using air as the blending gas, or
below 0.95 when using 95/5 as the blending gas. The button will read “ ” when
the alarm has been disabled by the user.
FiO
2
alarm values are retained only for the duration of the case. The system will revert
back to not set ( — — — ) when the case is exited. The system will also revert back
to not set ( — — — ) if the blending gas selection is changed.
Choosing the Blending Gas
The user has the option to blend the oxygen with either medical grade air or 95/5.
The default O
2
Blend is Air.
To change the O
2
Blend:
1. Touch the
Setup
tab in the Perfusion Screen and then touch the
Gas
subtab.
2. Touch the button labeled O2 Blend to toggle through the choices for blending
gas.
3. Select the desired blending gas. The text displayed on the
O2 Blend
button
indicates the current blending gas selection.
Changes made to the blending gas are retained only for the duration of the case. The
system will revert back to Air when the case is exited.