
2-4 Radical-7 Signal Extraction Pulse CO-Oximeter Operator’s Manual
2
System Description
HANDHELD FRONT PANEL (CONTINUED)
11
50
5
SpCO ALARM
LIMITS DISPLAY
The SpCO Alarm Limits Display shows the upper and lower alarm
limits. When the measured value is outside of the alarm limits, the
SpCO measurement display flashes and an alarm will sound.
12
10.0
SpHb*
MEASUREMENT
DISPLAY
The measurement of total hemoglobin concentration levels is displayed
in units of grams per deciliter (g/dL) or milimoles per liter (mmol/L). The
upper and lower SpHb alarm limits are also displayed next to the SpHb
measurement. When a sensor capable of reading SpHb is not connected
to a patient and during pulse search, the display will show dashed lines
and the message “Sensor Off” will appear at the top of the display screen.
The display will show dashed lines during pulse search. The total
hemoglobin is calculated and the display is updated at a frequency of
once per second.
13
BATTERY
STATUS
INDICATORS
The Battery Status Indicators show the capacity of the Radical-7
Handheld and optional Docking Station batteries. The indicator
flashes when less than 15 minutes of battery life is left and the
battery needs to be recharged. The Docking Station Battery
Status indicator is not shown when the optional Docking Station
battery is not present.
14
17
7
SpHb ALARM
LIMITS DISPLAY
The SpHb Alarm Limits Display shows the upper and lower alarm
limits. When the measured value is outside of the alarm limits, the
SpHb measurement display flashes and an alarm will sound.
15
TOUCH KEY
CONTROL
BUTTONS
Press a Touch Key Control Button to select the corresponding touch
key icon. See Section 4, Touch Key Control Buttons and Icons for
more details.
16
BACKLIGHT
BUTTON
Press the Backlight Button to change the illumination level of
the backlight. With the AC line power connected, five levels of
illumination are available. In the Handheld mode, four levels of
illumination are available. Use the lowest illumination for most
efficient battery usage.
17
ALARM SILENCE
BUTTON
Press the Alarm Silence Button to temporarily silence patient and
low battery alarms. Press the Alarm Silence Button when the
“Sensor Off” message is flashing (i.e. the sensor is removed from the
patient) to acknowledge the end of monitoring. In this state, all further
alarms are suspended until the Pulse CO-Oximeter starts measuring
SpO
2
, SpCO, SpMet, SpHb and pulse rate again.
NOTE: System failure alarms can be silenced by pressing the Power/
Standby or Alarm Silence Button. If the Power/Standby Button does not
silence the system fault alarm, press the Alarm Silence Button.
18
SPEAKER
The speaker indicates audio alarms. Care should be taken not to
cover the speaker and muffle the audible alarm volume.
19
PATIENT CABLE
CONNECTOR
Connect a patient cable or a direct cable sensor into the Handheld
Radical-7 by plugging the cable into the Patient Cable Connector.
Use only Masimo compatible sensors and cables with this Pulse
CO-Oximeter. See Section 8, Sensors and Patient Cables, for more
details.
20
POWER/ON/OFF
BUTTON
Press the Power/On/Off Button to turn the instrument on. Press,
hold the button for more than 2 seconds and then release the
button to turn the instrument off.
21
APOD
REND
GRAPH
MAX
TOUCH KEY ICONS
The Touch Key Icons indicate the software menu items that can be
selected through the Touch Key Control Buttons. Pressing a Touch
Key Control Button next to an icon selects the option.
*
For instruments that include SpMet, SpCO and SpHb parameters: the SpMet, SpCO, SpHb and SpOC parameters/
measurements will be dimly lit in the display screen if a patient cable is not attached or a non-Rainbow sensor is being used.
NOTE: The Pulse CO-Oximeter display view will be different without the optional SpCO, SpMet and
SpHb parameters/measurements.
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