GE Cardiocap 5 Service Manual

							
Installation and Functional Check 
Analog outputs 
Each analog output signal is scaled linearly between –5 and +5 volts. The resolution is 4096 steps 
over 10 volts, or approximately 0.00244 volts per step. All signal levels are updated every 10 ms. 
OFF Default state. No signal is present at the analog output pin. 
HR according to selected source (display value)  
The original scale of 0 to 300 beats is scaled between 0 and 3 volts. 
ECG1, ECG2, ECG3  
The original scale of –5000 microvolts to +5000 microvolts is scaled between –5 and +5 volts. 
P1 lre, P2 lre (Invasive pressure real-time values, low resolution)  
The original scale of –20 mmHg to +320 mmHg (-2.7 to +42.7 kPa) is scaled between –0.2 
and +3.2 volts. 
P1 hre, P2 hre (Invasive pressure real-time values, high resolution)  
The original scale of –20 mmHg to +50 mmHg (-2.7 to +6.7 kPa) is scaled between –2 and 
+5 volts. 
Pleth The original scale of –100% to 100% is scaled between –5 and +5 volts. 
SpO2>40, SpO2>60, SpO2>80 (beat-to-beat, display value, 10 s average)  
The original scale of 40 to 100% (SpO2>40), 60 to 100% (SpO2>60) or 80 to 100% 
(SpO2>80) is scaled between –5 and +5 volts. 
CO2 The original scale of 0% to 10% is scaled between 0 and +5 volts. Values greater than 10% 
are set to 10%. (Airway gas special indications are applied. See Special indications for 
analog outputs below.) 
AA (anesthetic agent)  
The original scale of 0% to 10% is scaled between 0 and +5 volts. Values greater than 10% 
are set to 10%. (Airway gas special indications are applied. See Special indications for 
analog outputs below.) 
O2 The original scale of 0% to 100% is scaled between 0 and +5 volts. (Airway gas special 
indications are applied. See Special indications for analog outputs below.) 
N2O  The original scale of 0% to 100% is scaled between 0 and +5 volts. (Airway gas special 
indications are applied. See Special indications for analog outputs below.) 
Paw (airway pressure)  
The original scale of –20 cmH2O to +80 cmH2O is scaled between –5 and +5 volts. (Airway 
gas sensor failure is applied. See Special indications for analog outputs below.) 
Flow The original scale of –100 l/minute to +100 l/minute is scaled between –5 and +5 volts. 
(Airway gas sensor failure is applied. See Special indications for analog outputs below.) 
Volume The original scale of –2.5 liters to +2.5 liters is scaled between –5 and +5 volts. (Airway gas 
sensor failure is applied. See Special indications for analog outputs below.) 
Resp The original scale of –5000 mohms is scaled between –5 and +5 volts. 
RR The respiration rate display of 0 to 150 breaths per minute is scaled between 0 and +1.5 volts. 
T1, T2 The original temperature scale of 0 °C to 50 °C is scaled between 0 and +5 volts. 
TEST SIGNALS –5 V, 0 V, +5 V 
Steady signals with one of the listed values. 
TEST 1 Test signal of a triangle shape with a base width of 1 second (0 V minimum; +5 V maximum). 
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Cardiocap/5 Technical Reference Manual 
TEST 2 Test signal of a triangle shape with a base width of 4 seconds (–5 V minimum; +5 V maximum). 
Special indications for analog outputs 
Start-up indication occurs when the monitor is started by a power on or by an internal restart (caused 
by a fatal failure). The indication consists of three triangle-shaped signals with a base width of 1 
second, base of 0 volts, and a height of 5 volts. 
Airway gas calibration:  During calibration of any gases, a square wave is generated. The minimum 
value is 0 volts, the maximum value is +2 volts, the minimum phase length equals the maximum 
phase length, and the frequency is 0.25 Hz. 
Airway gas zeroing:  During zeroing of any gases, a square wave is generated. The minumum value is  
0 volts, the maximum value is +5 volts, the minimum phase length equals the maximum phase length, 
and the frequency is 0.25 Hz. 
Airway gas occlusion:  During occlusion of any gases, a triangle-shaped signal is generated with a 
base width of 4 seconds, a minimum value of 0 volts, and a maximum value of +5 volts. 
Airway gas air leak:  During an air leak of any gases, a triangle-shaped signal is generated with a base 
width of 3 seconds, a minimum value of 0 volts, and a maximum value of +5 volts. 
Airway gas sensor failure:  During a sensor failure, a triangle-shaped signal is generated with a base 
width of 2 seconds, a minimum value of 0 volts, and a maximum value of +5 volts. 
2.4.4 Setting the analog output signals 
To set the analog output signals: 
1. Press the ComWheel and select Monitor Setup from the Main Menu. 
2. Select Install/Service and enter the password (16-4-34). 
3. Select Installation. 
4. Select Analog Outputs and set the channels. 
5. Press the Normal Screen key. 
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Installation and Functional Check 
2.5 Connector pin assignments 
2.5.1 Analog/digital output connector (X1) 
CON./ I/O BOARD SIGNAL DIRECTION LEVEL FUNCTION 
X1/1 GND – 0V GND 
X1/2 N/C    
X1/3 DSYNCOUT O CMOS Defibrillation sync. 
X1/4 N/C    
X1/5 NCALLOUT O CMOS Nurse Call 
X1/6 N/C    
X1/7 GND – 0V GND 
X1/8 to X1/10 N/C    
X1/11 NCALLB1 – – Nurse call relay 
X1/12 NCALLB2 – – Nurse call relay 
X1/13 N/C    
X1/14 A1OUT O  Analog output 
X1/15 +5VOUT – +5V +5 V output voltage 
X1/16 N/C    
X1/17 A3OUT O  Analog output 
X1/18 N/C    
X1/19 A2OUT O  Analog output 
X1/20 A0OUT O  Analog output 
X1/21 to X1/37 N/C    
X1/38 ECGOUT O  Analog ECG-signal output 
X1/39 to X1/43 N/C    
X1/44 GND – 0V GND 
 
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2.5.2 RS-232 serial communication interface/local printer connector (X2) 
Connector X2 provides an RS-232 serial communication link with handshaking. 
 
 
D9 male connector pinout (front view) 
  
CON./ I/O BOARD SIGNAL DIRECTION LEVEL FUNCTION 
X2/1 GND – 0V Ground 
X2/2 RXD I RS232 Serial bus, Receive 
X2/3 TXD O RS232 Serial bus, Transmit 
X2/4 +5VS – +5V +5 V output voltage, maximum 200 mA 
X2/5 GND – 0V Ground 
X2/6 N/C    
X2/7 RTS O RS232 Serial bus, Request To Send 
X2/8 CTS I RS232 Serial bus, Clear To Send  
X2/9 N/C    
     
2.5.3 Network identification plug connector (X3) 
The coding element interface is used for bedside address-coding for the Ethernet. The element is 
connected to the 9-pin female connector. 
 
 
D9 female connector pinout (front view) 
  
CON./ I/O BOARD SIGNAL DIRECTION LEVEL FUNCTION 
X3/1 IDCS O CMOS ID chip select 
X3/2 IDCLK O CMOS ID clock 
X3/3 IDDI I CMOS ID data in 
X3/4 IDDO O CMOS ID data out 
X3/5 GND - 0V Ground 
X3/6 +5VB - +5V +5V output voltage 
X3/7 N/C    
X3/8 N/C    
X3/9 GND - 0V Ground 
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Installation and Functional Check 
2.5.4 Ethernet connector (X4) 
The Ethernet interface meets IEEE 802.3 specifications (10BASE-T) with hospital-grade approved 
power and data transformers. 
 
Ethernet connector (front view) 
  
PIN SIGNAL DIRECTION FUNCTION 
1 Tx + O Transmit data 
2 Tx – O Transmit data 
3 Rx + I Receive data 
4 N/C   
5 N/C   
6 Rx – I Receive data 
7 N/C   
8 N/C   
    
2.5.5 Remote Control connector (X5) 
CON./ I/O BOARD SIGNAL DIRECTION LEVEL FUNCTION 
X5/1 CLK I/O TTL Keyboard clock 
X5/2 DATA I/O TTL Keyboard data 
X5/3 –    
X5/4 GND – 0V Ground 
X5/5 +5 VB – +5V +5V supply voltage 
 
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Cardiocap/5 Technical Reference Manual 
2.6 Functional check 
The functional check consists of instructions to verify the correct operation of the Cardiocap/5. The 
functional check is recommended after installing the monitor and after long storage.  
The first part of the instructions contains procedures that are performed through the service menu. 
These checks are especially recommended if the monitor has been stored and not used for a long 
time. 
When installing a new monitor, performance checks with a simulator and accessories are typically 
enough to ensure the correct function of the monitor. We recommend that you always perform the 
complete functional check to confirm that no hardware failures occurred during transport. 
The instructions are for the maximum functional configuration of the Cardiocap/5. Perform the 
procedures in ascending order and skip items that do not correspond to your monitor configuration.  
Using the Functional Check Form  
A Functional Check Form is included at the end of this chapter. Copy this form and complete the 
“checklist” as you perform the functional check procedures. 
NOTE:  means to sign the form after performing the procedure. 
Recommended tools 
Tool Order Number 
SpO2 finger sensor for the pulse oximetry option. 
NOTE:  With the N-XNSAT option, use only Nellcor sensors (DS-100A, for 
example). 
With the N-XOSAT option, use only Datex-Ohmeda sensors (OXY-F1-H, for example). 
For standard pulse oximetry, use only Datex-Ohmeda sensors (OXY-F4-N, for example). 
 
Simulator capable of simulating ECG, RESP, and invBP Obtain locally 
Adult NIBP cuff 572435 
Adult NIBP hose 877235 
Temperature test plug set 884515 
MemCard – Menu, English (only for monitors with Data card option) 893860 
MemCard – Data, English (only for monitors with Data card option) 887045 
Sampling line 3.0 m (only for monitors with gas option) 73319 
  
If the NMT option (N-XNMT) is installed, you will need these additional items: 
  
Tool Order Number 
NMT simulator 871251 
NMT ElectroSensor 888416 
NMT MechanoSensor 888418 
NMT Sensor Cable 888414 or 888415 
3 kΩ 0.25W 1% resistor Obtain locally 
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Installation and Functional Check 
2.6.1 Functional inspection 
1. Connect the power cord. 
Check that the green external power indicator/battery charge status LED turns on or starts 
flashing. 
 
2. Switch the monitor on. Check that the monitor starts up as follows: 
• The start-up sound is heard from the loudspeaker 
• The normal monitoring screen appears 
• The alarm LEDs turn on and off after about 20 sec 
• No error messages appear onto the screen 
• If the monitor contains a recorder, start-up information is printed. Verify that the time and 
date on the printout are correct. 
 
3. Check the loudspeaker by adjusting the alarm volume in the Alarms Setup menu: 
Press the ComWheel to enter the Main Menu and select: 
Alarms Setup 
Alarm Volume 
Test the whole volume scale from 1 to 10 by turning the ComWheel and check that the alarm 
volume changes correspondingly. The alarm sound should be clear and audible at all settings. 
Select Main Menu. 
 
4. Check that the time and date are correct and adjust, if necessary: 
Press the ComWheel to enter the Main Menu and select: 
Monitor Setup 
Time and Date 
NOTE: To prevent the loss of trend data, you cannot change the time and date after starting a new 
case or admitting a new patient. 
NOTE: If the clock shows a time of 0:00 continuously after start-up, the SRAM/Timekeeper battery 
on the CPU board needs to be replaced.  
To return to the Main Menu, select Previous Menu. 
 
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5. Check that the supply voltages are within the given limit values: 
Press the ComWheel to enter the Main Menu and select: 
Monitor Setup 
Install/Service (Password 16-4-34) 
Service View (Password 26-23-8) 
Monitor  
Voltages 
Voltages Mains power ON Mains power OFF 
VDD/BAT 14.3 to 16.2 10 to 13 
VIN 15VB 10 to 14.5 10 to 13.5 
VDD 15.0 to 16.5  
+12V 11.4 to 12.6  
+15VD 14.25 to 15.85  
+15V 14.4 to 15.6  
-15V 15.6 to 14.4  
+2.5VREF 2.40 to 2.54  
TEMP 10 to 60  
BATVOLT 10 to 14.5 10 to 13.5 
   
VDD/TEMP OK 0 1 
CHG ON 1 0 
   
D Sync test count 0  
 
6. Check the back-up battery: 
Disconnect the power cord (without switching the monitor to standby). 
Check that the monitor continues to run normally on battery power. The battery indicator should 
appear in the upper right corner of the screen: 
 
Reconnect the power cord and check that during charging, the charging symbol is displayed and 
the battery charge status LED starts flashing: 
 
 
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Installation and Functional Check 
Recorder test (if N-XREC option is included) 
7. Open the paper compartment cover and check that the “Recorder: Cover open” message is 
displayed. Close the cover. 
 
8. To record waveforms, press the ComWheel to enter the Main Menu and select: 
Record/Print 
Record Waveforms 
Record Wave 
Check that the recording quality is acceptable.  
To stop recording, select Stop Wave. 
Press the Record Waveform/Stop key and verify that the selected waveforms print.  
Press the key again to stop recording. 
Press the Record Trend/Stop key and verify that the selected trends print.  
Press the key again to stop recording. 
 
Memory card (PCMCIA) test (if N-XDNET option is included) 
9. Press the ComWheel to enter the Main Menu and select:  
Monitor Setup 
Install/Service (Password 16-4-34) 
Service View (Password 26-23-8) 
Modules 
Memory Module 
Check that the module is recognized (YES) and that the memory on the memory board and the 
PCMCIA controller passed the tests (OK): 
Module present YES  ROM  OK  PCMCIA  OK 
Module active YES  RAM OK  EEPROM OK 
 
10. Select Communication and check that Interface status states Active continuously and the error 
counter values on the bottom part of the menu are stable. 
 
11. Select Module Status and insert a memory card labeled ”Menu” in the memory card slot.  
Check that within one minute: 
• The “Menu card inserted” message appears in the message field. 
• The white Menu card symbol appears on the upper right corner of the screen if the battery is 
not charging (the battery charging symbol is not present).  
Wait until the information regarding the memory card slot is fully updated in the service menu, 
then check that the screen shows the Card type is MENU and the File system is ATA. Check that 
the rest of the information for the memory card slot is reliable and no errors have been detected. 
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Repeat the test using a Data card in the other memory card slot. Verify that the green Data card 
symbol is displayed if the battery charging symbol is not present, the “Data card inserted” 
message appears, and the Card type is DATA.). 
 
Network test (if N-XNET or N-XDNET option is included) 
12. Connect the Monitor-Network cable and the Identification plug to the monitor. To check the 
connection to the network, check the Network connection LEDs between the connectors: 
• Yellow LED should flash intermittently. 
• Green LED should be lit continuously. 
 
13. Check that the Datex-Ohmeda Network symbol  is displayed on the upper right 
corner of the screen.  
NOTE: If the battery is being charged, the battery charging symbol is displayed instead of the 
network symbol. 
A message regarding the connection to the Datex-Ohmeda Information Center should appear in 
the message field on the screen. 
 
14. To enter the Communication service menu and check Network information, press the ComWheel 
to enter the Main Menu and select: 
Monitor Setup 
Install/Service (Password 16-4-34) 
Service View (Password 26-23-8) 
Monitor 
Communication 
Network 
Check that: 
• The Location ID number matches the ID plug connected to X3. 
• The packets and bytes IN is increasing slowly. 
• The packets and bytes OUT is increasing quickly. 
• Connections shows the names of the connected networks. 
• The data error counters (CRC, Frame, and Transm.) are stable. 
NOTE: The counters may show values greater than 0. However, any values increasing continuously 
indicate a problem. 
 
15. Check that the hardware error counters (Intern., Missed, FIFO, and Overrun) all show 0 (zero). A 
value greater than zero for any counter indicates a problem on the CPU board. 
 
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