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4-28 Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual Radical-7 Color Display Signal Extraction Pulse Oximeter Operator’s Manual 4-29

operation

BacklightOperation

The backlit LCD screen of the Radical-7 Pulse CO-Oximeter Handheld can be set to four

levels of illumination, in addition to no illumination, when the Radical-7 Pulse CO-Oximeter

operates as a standalone Pulse CO-Oximeter. The Radical-7 Pulse CO-Oximeter temporar-

ily indicates the illumination level on the display following a change in illumination level. To

select the level of illumination, simply press the Backlight button located on the front panel

of the Handheld.

When the Radical-7 Pulse CO-Oximeter Handheld unit is released from the Docking

Station, the illumination of the LCD screen automatically reverts to the lowest level to

conserve battery power. To select a different level of illumination, press the Backlight button

again. In the Handheld mode, three levels of illumination are available.

When the Handheld unit is re-attached to the Docking Station, as well as when the Radical-

7 Pulse CO-Oximeter is powered on in the Standalone configuration, the backlight is auto-

matically set to the maximum illumination when the unit is AC line powered.

Satshare Operation

When the SatShare cable is connected to the Radical-7 Pulse CO-Oximeter and to a

multiparameter patient monitor, the Radical-7 Pulse CO-Oximeter automatically starts to

operate in the SatShare mode.

In the SatShare mode, Radical-7 Pulse CO-Oximeter operates as follows:

■ All visual alarms remain active.

■ All audible alarms may be disabled by software configuration of the Radical-7 Pulse

CO-Oximeter. Refer to Section 4 Alarms.

■ The SpO

and pulse rate numbers may or may not be displayed on the Radical-7

Pulse CO-Oximeter display depending on the SatShare Numbers setting of the

General menu. Refer to Section 3 SatShare Setup.

■ All other items are displayed, including the alarm limits, the plethysmogram and Signal

IQ waveform.

■ The user can access the menu system.

■ If the SatShare cable is connected to the Radical-7 Pulse CO-Oximeter only, and not

to a patient monitor, the SatShare cable type is flashing on the LCD screen.

■ Once the Radical-7 Pulse CO-Oximeter detects the presence of a patient monitor, the

SatShare cable type remains constantly displayed on the LCD screen.

■ Patient Alarms of the multiparameter patient monitor will be triggered by the alarm set-

ting of the patient monitor and not the Radical-7 Pulse CO-Oximeter. To synchronize

the alarm events set the alarm limits of the Radical-7 Pulse CO-Oximeter to those of

the patient monitor, or vice versa.

■ Once the Radical-7 Pulse CO-Oximeter detects that the SatShare cable is discon-

nected from the patient monitor, or if the patient monitor is turned off, the Radical-7

automatically returns to normal, standalone operation.

■ In the SatShare mode, the pulse beep tone of the Radical-7 Pulse CO-Oximeter is

initially set to the lowest volume (mute). The pulse beep volume can be manually

increased. Refer to Section 4 Traditional User Interface.

■ The Radical-7 Pulse CO-Oximeter may automatically set the averaging time during

SatShare operation. For averaging times of 10 seconds and higher, the Radical-7

Pulse CO-Oximeter will automatically set the averaging time to 8 seconds during

SatShare operation. Averaging times of 2, 4 or 8 seconds remain unchanged during

SatShare operation. When the Radical-7 Pulse CO-Oximeter returns to non-SatShare

operation, the Radical-7 Pulse CO-Oximeter will maintain the averaging time setting

used in the SatShare mode.

■ When the Radical-7 Pulse CO-Oximeter starts to operate in the SatShare mode the

sensitivity mode is set to Normal sensitivity. The sensitivity mode can manually be set

to Maximum or APOD sensitivity. Refer to Section 2 Handheld Front Panel.

■ While operating in the SatShare mode, the Radical-7 Pulse CO-Oximeter may auto-

matically disable the SatShare interface if the perfusion index drops below 0.1% while

the sensitivity is set to Max sensitivity. To enable the SatShare interface again, set the

Radical-7 Pulse CO-Oximeter to the Normal or APOD sensitivity mode, increase the

perfusion at the measurement site (by warming the patient or sensor site), or move

the sensor to a site with better perfusion.

CAUTIONS:

■ SATSHARE SIGNALS ARE IDEAL SIMULATED WAVEFORMS CORRESPOND-

ING TO THE CALCULATED SATURATION AND PULSE RATE VALUES AND DO

NOT CONTAIN ALL OF THE INFORMATION CONTAINED IN PHYSIOLOGICAL

WAVEFORMS. THE MULTIPARAMETER PATIENT MONITOR DECODES THESE

SIGNALS INTO SATURATION AND PULSE RATE VALUES.

■ DURING SATSHARE OPERATION, THE AUDIBLE ALARMS MAY BE MUTED ON

THE RADICAL-7 PULSE CO-OXIMETER. WHEN THE AUDIBLE ALARM IS MUTED

(INDICATED BY A BELL WITH A SLASH THROUGH IT) ON THE RADICAL-7

PULSE CO-OXIMETER, USE THE MULTIPARAMETER MONITOR FOR AUDIBLE

ALARM INDICATION.

■ DURING SATSHARE OPERATION DO NOT USE THE PLETH WAVEFORM DIS-

PLAY ON THE MULTIPARAMETER MONITOR FOR DIAGNOSTIC PURPOSES.

INSTEAD, USE THE PLETH WAVEFORM DISPLAYED ON THE RADICAL-7

SCREEN.

■ TO AVOID EXCESSIVE BATTERY DISCHARGING, DO NOT CONNECT ANY

EQUIPMENT TO THE SATSHARE CONNECTOR UNLESS THE RADICAL-7 IS

CONNECTED TO THE AC MAINS POWER SUPPLY.

■ TO ENSURE THAT THE SAFETY LEVEL DURING DEFIBRILLATION IS MAIN-

TAINED, MAKE SURE THAT THE SATSHARE CABLE CONNECTOR IS PROPERLY

SECURED AT THE DOCKING STATION.

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