Passport 5-Lead, 5L, LT, XG Service Manual Rev T April 2013

Service Manual

Datascope

Passport®

5-Lead, 5L, LT, XG

0070-02-0420.indd 1

4/11/11 4:45 PM

Table of Contents

Foreword ...v Warnings, Precautions and Notes ...v Operation (5-Lead, 5L, LT and XG) ... 1 - 1 Introduction (5-Lead, 5L, LT) ... 1 - 1 Controls, Indicators and Connectors (5-Lead, 5L, LT) ... 1 - 3 Front Panel... 1 - 4 Left Side Panel... 1 - 9 Right Side Panel ... 1 - 11 Remote Color Display... 1 - 12 Operation (5-Lead, 5L, LT) ... 1 - 13 Setting-up / Turning Power On ... 1 - 14 Factory - Default Control Settings ... 1 - 15 Display... 1 - 16 Use of Menus ... 1 - 23 Initiation of NIBP Measurements ... 1 - 25 ECG Acquisition ... 1 - 29 Invasive Pressure Acquisition ... 1 - 34 Sequence for Establishing SpO2 ... 1 - 34 Sequence for Establishing SpO2 with Nellcor® Pulse Oximetry ... 1 - 39 Respiration Monitoring ... 1 - 42 Gas Monitoring ... 1 - 43 Alarms ... 1 - 49 How to Set the Clock... 1 - 53 User Configuration Mode ... 1 - 53 Recorder (optional) ... 1 - 54 Status Messages ... 1 - 57 Monitor Problem Solving... 1 - 62 Connection to External Devices... 1 - 64 Menus ... 1 - 64 Introduction (XG) ... 1 - 77 Controls, Indicators and Connectors (XG) ... 1 - 77 Front Panel... 1 - 79 Left Side Panel... 1 - 87 Right Side Panel ... 1 - 90 Rear Panel ... 1 - 91 Remote Color Display (optional) ... 1 - 92 Gas Module (Optional)- Front Panel ... 1 - 93 Gas Module (Optional)- Rear Panel... 1 - 95 Operation (XG) ... 1 - 97 Setting-up / Turning Power On ... 1 - 99 Factory - Default Control Settings ... 1 - 99 Display... 1 - 102 Use of Menus ... 1 - 109 Initiation of NIBP Measurements ... 1 - 110 ECG Acquisition ... 1 - 115 Invasive Pressure Acquisition ... 1 - 118 Sequence for Establishing SpO2 ... 1 - 119 Sequence for Establishing SpO2 with Masimo® Pulse Oximetry ... 1 - 124 Sequence for Establishing SpO2 with Nellcor® Pulse Oximetry ... 1 - 127 Respiration Monitoring ... 1 - 132 Mainstream CO2 Gas Monitoring... 1 - 134 Sidestream CO2 Gas Monitoring... 1 - 139 Gas Module Option ... 1 - 146 Alarms ... 1 - 149 How to Set the Clock... 1 - 153 User Configuration Mode ... 1 - 153

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Table of Contents

Recorder (optional) ... 1 - 155 Status Messages ... 1 - 158 Monitor Problem Solving... 1 - 168 Connection to External Devices (optional) ... 1 - 172 Using the Passport XG with the Visa Central Station (optional)... 1 - 172 Menus ... 1 - 175 Theory of Operation ... 2 - 1 Block Diagrams... 2 - 1 Detailed Circuit Descriptions ... 2 - 7 Interconnect Board ... 2 - 8 Frontend Board/Daughter Board ... 2 - 10 SpO2 Board... 2 - 26 CPU Board... 2 - 40 Line Battery Board... 2 - 49 +12 / -23.5 Volt Converter Board ... 2 - 54 Planar EL Panel Board ... 2 - 55 CO2 Interface Module ... 2 - 57 NIBP Module: NIBP Pneumatic Board ... 2 - 59 Panel Board / Display Interface... 2 - 63 Termination Board ... 2 - 66 Specifications... 3 - 1 Performance Specifications ... 3 - 1 Power Pack Electrical Ratings... 3 - 8 Environmental Conditions ... 3 - 8 Physical Characteristics ... 3 - 8 Agency Compliance ... 3 - 8 Repair Information ... 4 - 1 Introduction ... 4 - 1 Safety Precautions ... 4 - 1 Troubleshooting Guidelines ... 4 - 2 Equipment and Special Tools Required... 4 - 3 Disassembly Instructions ... 4 - 3 Mounting Instructions ... 4 - 11 Rolling Stand Assembly Instructions ... 4 - 11 Bedrail Hook Mount ... 4 - 11 Bed Mount ... 4 - 11 Passport Mounting - Rolling Stand/Wall Mount ... 4 - 11 Power Supply Mounting... 4 - 11 How to Use the Remote Color Display Mounting Kit... 4 - 15 Cable Assembly Details... 4 - 16 Assembly and Schematic Diagrams... 5 - 1 Replacement Parts ... 6 - 1 Introduction ... 6 - 1 Available Replacement Parts and Sub-Assemblies ... 6 - 1 Product Variations and Options... 6 - 1 Exchange Program ... 6 - 2 Replacement Parts Pricing Information ... 6 - 2 Ordering Information ... 6 - 2 Abbreviations ... 6 - 4 Calibration ... 7 - 1 Introduction ... 7 - 4 Warnings and Guidelines ... 7 - 4 Test Equipment and Special Tools Required ... 7 - 4 Inputs... 7 - 4 Diagnostics and Calibration Procedure ... 7 - 5 NIBP Diagnostics ... 7 - 5

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Table of Contents

Error Journal ... 7 - 11 Exception Stack Frame ... 7 - 11 Communication Test ... 7 - 11 Recorder... 7 - 14 Voltage Test ... 7 - 14 Display Test ... 7 - 14 Keyboard Test ... 7 - 17 SpO2 Diagnostics (Datascope SpO2 Installed)... 7 - 18 SpO2 Diagnostics (Nellcor SpO2 Installed) ... 7 - 20 SpO2 Diagnostics (Masimo SpO2 Installed) ... 7 - 20 Power-Up Verification ... 7 - 20 Initial Set-Up ... 7 - 21 ECG Tests ... 7 - 21 IBP1 and IBP2 Verification... 7 - 23 Temperature Verification ... 7 - 23 SpO2 Verification... 7 - 24 NIBP Verification... 7 - 24 Mainstream CO2 Adapter Calibration ... 7 - 24 Mainstream CO2 Sensor Calibration Verification... 7 - 25 Mainstream CO2 Sensor Calibration... 7 - 25 Sidestream Pump Calibration... 7 - 26 Sidestream CO2 Pump Verification / Calibration Procedure... 7 - 27 Sidestream Adapter Calibration... 7 - 28 Sidestream CO2 Sensor Calibration Verification ... 7 - 29 Sidestream CO2 Sensor Calibration ... 7 - 29 Battery Operation Verification... 7 - 30 Leakage Current Test ... 7 - 30 Cosmetic Checks ... 7 - 32 Special Options Menu ... 7 - 32 Preventive Maintenance... 8 - 1 Preventive Maintenance Schedule... 8 - 1 Mechanical / Physical / Visual Inspection... 8 - 1 Preventive Maintenance Kit - Install Kit Annually ... 8 - 1 Perform Verification and NIBP Calibration - Annually ... 8 - 2 Annually ... 8 - 2 Perform Verification and CO2 Pump Calibration User Preventive Maintenance Introduction... 8 - 2 Care and Cleaning of Monitor ... 8 - 2 Care and Cleaning of Datascope Flexisensors and Datasensors ... 8 - 2 Cleaning CO2 Sensors and Adapters... 8 - 3 Cleaning External CO2 Sampling Components... 8 - 3 Cleaning Internal CO2 Sampling Components... 8 - 3 Sterilization and Cleaning of Reusable Cuffs ... 8 - 4 Battery Replacement and Maintenance ... 8 - 5 Recorder Paper Replacement... 8 - 5 Care and Storage of Thermal Chart Paper ... 8 - 5

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Foreword

Introduction

Foreword This Service Manual is intended as a guide for technically qualified personnel during repair and calibration procedures for the Passport 5-Lead, 5L, LT and XG monitors. The information has been divided into the eight main sections as listed in the table of contents. A detailed table of contents of each section is also provided on the first page of each section. This publication may have been updated to reflect product design changes and/or manual improvements. Any such changes to this manual would be accomplished by supply replacement pages and instructions for inserting them into the manual. For Passport external communication protocols (Datasette revision T or greater) see Service Manual Supplements: P/N 0070-00-0302, Bedside-to-VISA Communication Protocol; P/N 0070-00-0304, Accutorr Communication Protocol; P/N 0070-00-0306, Passport Communication Protocol (EzEm) and P/N 00700-00-0307, Datascope Improved ASCII Protocol (DIAP). NOTE:

In order to ensure the proper performance of your monitoring equipment and to prevent the voiding of the warranty, it is recommended that only parts and accessories provided by Datascope be used with you monitor.

Warnings, Precautions and Notes A WARNING is provided to alert the user to potential serious outcomes (death, injury, or serious adverse events) to the patient or the user. A CAUTION is provided to alert the user to use special care necessary for the safe and effective use of the device. They may include actions to be taken to avoid effects on patients or users that may not be potentially life threatening or result in serious injury, but about which the user should be aware. Cautions are also provided to alert the user to adverse effects on this device of use or misuse and the care necessary to avoid such effects. A NOTE is provided when additional general information is applicable. NOTE:

Unauthorized servicing may void the remainder of the warranty. Check with the factory or with a local authorized Datascope representative to determine the warranty status of a particular instrument.

Warnings WARNING:

The use of remote displays will enlarge all waveforms and may alter aspect ratios depending on the remote device and its set-up.

WARNING:

Ensure that the conductive parts of ECG electrodes do not contact other conductive parts including earth ground.

WARNING:

Thoracic respiration measurement may interfere with some pacemakers. Refer to the pacemaker’s manual.

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Introduction

vi

Warnings, Precautions and Notes

WARNING:

Do not use the following 3-Lead ECG cables with Passport 5L (P/N, 0998-00-0126-xx) and 5L-CE (P/N, 0998-00-0131xx): 0012-00-0620-05, -06, -07, -08; 0012-00-0722-05, 06, -07, -08; 0012-00-0723-05, -06, -07, -08; 0012-000724-05, -06, -07, -08. The above 3-Lead cables contain a jumper wire which connects RL (right leg) to LL (left leg). As a result, when you view aVR, aVL and aVF you will see the appropriate ECG waveforms (even though you are using a 3-lead cable). However, there may be excessive noise on these waveforms which can corrupt the heart rate calculation. See Section 5 in the Operating Instructions for a list of the proper ECG cables.

WARNING:

When equipped with Nellcor® SpO2, use only Nellcor® oxygen transducers including Nellcor® OXISENSOR™ patient dedicated adhesive sensors. Use of other oxygen transducers may cause improper oximeter performance.

WARNING:

Tissue damage or inaccurate measurements may be caused by incorrect sensor application or use, such as wrapping it too tightly, applying supplemental tape, failing to inspect the sensor site periodically, or failing to position it appropriately. Carefully read the sensor directions for use, the Passport operating instructions, and all precautionary information before use.

WARNING:

Excessive ambient light may cause inaccurate measurements. Cover the sensor site with opaque material.

WARNING:

Inaccurate measurements may be caused by incorrect sensor application or use; significant levels of dysfunctional hemoglobins, (e.g., carboxyhemoglobin or methemoglobin); or intra-vascular dyes such as indocyanine green methylene blue; exposure to excessive illumination, such as surgical lamps (especially ones with a xenon light source), bilirubin lamps, fluorescent lights, infrared heating lamps, or direct sunlight; excessive patient movement; venous pulsations; electro-surgical interference; and placement of a sensor on an extremity that has a blood pressure cuff, arterial catheter, or intra-vascular line.

WARNING:

In certain situations in which perfusion and signal strength are low, such as in patients with thick or pigmented skin, inaccurately low SpO2 readings will result. Verification of oxygenation should be made, especially in preterm infants and patients with chronic lung disease, before instituting any therapy or intervention.

WARNING:

Insure that the conductive parts of ECG electrodes do not contact other conductive parts including earth ground.

WARNING:

Many patients suffer from poor peripheral perfusion due to hypothermia, hypovolemia, severe vasoconstriction, reduced cardiac output, etc. These symptoms may cause a loss in vital sign readings.

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Warnings, Precautions and Notes

WARNING:

The site should be checked at least every eight (8) hours (every four (4) hours with the Adult re-usable finger sensor). Ensure proper adhesion, skin integrity, and proper alignment. Nail polish and fungus may effect readings. Exercise extreme caution with poorly perfused patients. Skin erosion and pressure necrosis can be caused when sensors are not frequently monitored. Assess the site every two (2) hours with poorly perfused patients.

WARNING:

Do not use the following 3-Lead ECG cables with Passport XG (P/N’s 0998-00-0133-xx, 0998-00-0134-xx and 099800-0137-xx): 0012-00-0620-05, -06, -07, -08; 0012-000722-05, -06, -07, 08; 0012-00-0723-05, -06, -07, -08; 0012-00-0724-05, -06, -07, -08. The above 3-Lead cables contain a jumper wire which connects RL (right leg) to LL (left leg). As a result, when you view aVR, aVL and aVF you will see the appropriate ECG waveforms (even though you are using a 3-lead cable). However, there may be excessive noise on these waveforms which can corrupt the heart rate calculation. See Section 5 in the Datascope P/N’s 0070-00397, 0070-00-0440, 0070-00-0503 of the Passport Operating Instructions for a list of the proper ECG cables.

WARNING:

If the sensor or patient cable is damaged in any way, discontinue use immediately. To prevent damage do not soak or immerse the sensor in any liquid solution. Do not attempt to sterilize.

WARNING:

The maximum sampling rate at the nasal cannula is 200 ml/ min. This device should not be used on patients whose breathing could be impaired by this vacuum flow rate.

WARNING:

Connection of the Passport’s exhaust port to the hospital’s waste gas scavenge system is recommended to prevent exposure of hospital personnel to the patient’s respiratory sample.

WARNING:

In an intubated configuration, ensure all tubing connections are tight. If tubing disconnects on the monitor side of the airway adapter, ventilator pressures cause inaccurate CO2 waveforms and readouts to be displayed.

WARNING:

The maximum sampling rate at the nasal cannula is 200 ml/ min. This device should not be used on patients whose breathing could be impaired by this vacuum flow rate.

WARNING:

Connection of the Gas Module exhaust port (50) to the hospital’s waste gas scavenge system is strongly recommended to prevent exposure of hospital personnel to the patient’s respiratory sample. Vacuum (negative pressure) should not exceed 1 mmHg at the Gas Module Pump Exhaust fitting (50). Excessive scavenge vacuum may result in damage to the Gas Module’s internal pump.

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Warnings, Precautions and Notes

Introduction

Cautions CAUTION:

Connection of non-isolated devices to the optional RS232 Connector on this unit may cause chassis leakage to exceed the specification standards.

CAUTION:

Only use the Abbreviated Operating Check List if you are already familiar with this product. If not, please continue with the remainder of this chapter, Detailed Operating Instructions.

CAUTION:

Always attach all desired peripheral equipment prior to powering on the Passport. If required to attach more or change what is connected, turn the Passport off, attach what is needed, and then turn the Passport on again.

CAUTION:

Observe extreme caution on all patients (neonates, pediatrics, and adults) when NIBP is set to the Continuous Mode. A 5 minute limit is placed on continuous measurements. After 5 minutes the unit will take a measurement once every 5 minutes. Reports have been made of nerve injury occurring during use of automatically cycled blood pressure cuffs. See the Appendix, “Precautions when Using Automatically Cycled Blood Pressure Cuffs”.Observe extreme caution on all patients (neonates, pediatrics, and adults) when NIBP is set to the Continuous Mode. A 5 minute limit is placed on continuous measurements. After 5 minutes the unit will take a measurement once every 5 minutes. Reports have been made of nerve injury occurring during use of automatically cycled blood pressure cuffs. See the Appendix, “Precautions when Using Automatically Cycled Blood Pressure Cuffs”.

CAUTION:

It is the users responsibility to confirm correct operation of the Passport with external devices. It is essential that a biomedical engineer verify correct operation of the Passport with an external device. Testing should include verification that the maximum delay for cardioversion synchronization does not exceed 60 ms (monitor and defibrillator). Cable should be labeled with the devices they have been tested for use with.

CAUTION:

Do not use this special “Y” shaped power cable for any devices other than the Passport and Gas Module II.

CAUTION:

Vacuum (negative pressure) should not exceed 1 mmHg at the Passport Pump Exhaust fitting (39). Excessive scavenge vacuum may result in an “OCCLUSION” message or damage to the Passport’s internal pump. The scavenge system if used must be on during calibration.

CAUTION:

It is the users responsibility to confirm correct operation of the Passport XG with external devices. Before using this cable it is essential that a biomedical engineer verify correct operation of the Passport XG with an external device using this cable. Testing should include verification that the maximum delay for cardioversion synchronization does not exceed 60 ms (monitor and defibrillator). Cable should be labeled with the devices they have been tested for use with.

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Introduction

ix

Warnings, Precautions and Notes

CAUTION:

When cleaning sensors do not use excessive amounts of liquid. Wipe the sensor surface with a soft cloth, dampened with the cleaning solution.

CAUTION:

Using dark colored soaks may stain the cuffs. Test a single cuff to ensure that no damage will occur. ETO sterilization may also be used.

CAUTION:

When ironing or pressing the cuffs, be aware that the Velcro® fasteners can melt at temperatures above 325°F, 162°C.

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1.0

Operation (5-Lead, 5L, LT and XG)

Contents of this Chapter ...Page 1.1 Introduction (5-Lead, 5L, LT) ... 1-1 1.2 Controls, Indicators and Connectors (5-Lead, 5L, LT) . 1-3 1.3 Operation (5-Lead, 5L, LT) ... 1-13 1.4 Introduction (XG) ... 1-77 1.5 Controls, Indicators and Connectors (XG) ... 1-77 1.6 Operation (XG) ... 1-97

1.1

Introduction (5-Lead, 5L, LT) This section of the Service Manual provides general information about the Datascope Passport Monitors 5-Lead, 5L and LT. All functions, standard and optional, are described in this section. The pictures of the unit and the displays should be used as samples and may not be exactly as your unit appears. Table 1-1 on page 1-2 lists the functions available on the Passport 5-Lead/5L and the Passport LT.

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Introduction (5-Lead, 5L, LT)

Operation (5-Lead, 5L, LT and XG)

TABLE 1-1 PASSPORT 5L FUNCTIONS* NIBP

STANDARD

OPTIONAL

OPTIONAL

• •

•

ECG

•

SpO2 - Datascope

Respiration

•

CO2

• •

• •

Recorder Temperature

• • •

SpO2 - Nellcor

•

• •

For detailed instructions of each function see the Table of Contents for sections and page numbers.

NOTE:

1-2

STANDARD

•

IBP

*

PASSPORT LT

Sections 1.2 and 1.3 are included as a review of instrument functions and operation, although the reader is encouraged to refer to the Operating Instructions, P/N 0070-00-0324, for more complete details.

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1.2

Controls, Indicators and Connectors (5-Lead, 5L, LT)

Controls, Indicators and Connectors (5-Lead, 5L, LT) The keys on the front panel of the Passport Monitor are classified as single action, repeat action, or delayed action keys. A single action key provides one action each time it is pressed, regardless of how long it is held. A repeat action key provides the an action when pressed, then waits half a second before repeating the action until the key is released. A delayed action key provides an action, but only after the key has been held pressed for a (key specific) period of time. 1.

8.

p and q (Set-up)

ZERO 1 (IBP) (Optional 15.

MUTE (Alarms)

2.

SELECT (Set-up)

9.

ZERO 2 (IBP) (Optional)16.

TREND/RETURN (Trends)

3.

END (Set-up)

10.

START (NIBP)

17.

TIME UP p and DOWN q (Trends)

4.

CENTRAL SILENCE

11.

INTERVAL (NIBP)

18.

BEEP VOLUME

12.

DEFLATE (NIBP)

19.

RECORD (Optional)

(Optional) 5.

LEAD (ECG)

6.

SIZE (ECG)

13.

VOLUME (Alarms)

20.

DC INPUT

7.

FREEZE (ECG)

14.

CHECK/RETURN

21.

DISPLAY

(Alarms) PARAGRAPH NUMBER

DESCRIPTION

CONTROL/DISPLAY NUMBER

PAGE NUMBER

1.2.1

Front Panel

1 - 21

1-4

1.2.2

Left Side Panel

22 - 30

1-9

1.2.3

Right Side Panel

31 - 34

1-11

1.2.4

Remote Color Display

1-12

12 - 14

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Controls, Indicators and Connectors (5-Lead, 5L, LT)

1.2.1

Operation (5-Lead, 5L, LT and XG)

Front Panel 5

Datascope Passport TM

R

2121

SET- UP SELECT

1

ECG

IBP

NIBP

ALARM S

TRENDS

LEAD

ZER O 1

START

VOLUM E

TR EN D RETU RN

BEEP VO LUME

IN TERVAL

CH ECK RETURN

TIM E

RECO RD

DEFLATE

M UTE

TIM E

END

SIZE

CENTRAL SILENCE

FR EEZE

ZERO 2

D.C. INP UT

9 22

3

3

4

4

MODE L

EL

5

5

66

7 7

11

88 9 101011

12 12

13

15 16

17 13 1414 15 16 17

!

20 18 18 19 20 19

FIGURE 1-1 Front Panel Controls

Introduction The keys on the front panel of the Passport Monitor are classified as single action, repeat action, or delayed action keys. A single action key provides one action each time it is pressed, regardless of how long it is held. A repeat action key provides the an action when pressed, then waits half a second before repeating the action until the key is released. A delayed action key provides an action, but only after the key has been held pressed for a (key specific) period of time. NOTE:

Only one key function will be recognized at any time. The Passport will ignore multiple key selections.

All key actions are acknowledged by a key click, except for BEEP VOL and ALARM VOL. If a key is not available a double key click will sound. 1. p and q (UP and DOWN) (Set-Up) Two repeat action keys used to move the highlighted screen cursor or change the setting/ value of a menu item. As the cursor is moved, the highlighted menu window is displayed. 2. SELECT (Set-Up) A repeat action key used to select the function or value indicated by the highlighted cursor.

1-4

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Operation (5-Lead, 5L, LT and XG)

Controls, Indicators and Connectors (5-Lead, 5L, LT)

3. END (Set-Up) A single action key which causes the display to return to the main screen display (as specified in the DISPLAY section). This key is always available. 4. CENTRAL SILENCE (Optional) A single-action key which mutes the alarms of the corresponding channel on the VISA Central Station. The amount of time the alarms are silenced, is determined by the VISA. 5. LEAD (ECG) A single action key which selects the ECG lead to be displayed. Each depression of the key selects and displays the next ECG lead from the list. The list wraps around after the last entry is selected. Choices are: I, II, III, aVR, aVL, aVF or V. 6. SIZE (ECG) A single action key which selects the ECG size to be displayed. Each depression of the key selects and displays the next ECG size from the list. The list wraps around after the last entry is selected. 7. FREEZE (Screen) A single action key which enables or releases the screen freeze function. The freeze key stops or starts the ECG waveform (waveform 1), except when waveform 2 is used for cascaded ECG. When this is the case, pressing the freeze key the first time causes the currently displayed ECG waveform data to be transferred to waveform 2 and frozen. Waveforms 1 and 3 continue to move. Pressing FREEZE again causes waveform 2 to return to cascaded ECG. 8. ZERO 1 (IBP) (Optional) A delayed action key which zeros the current pressure in the BP1 channel. If the transducer zero process is unsuccessful, “UNABLE TO ZERO” is displayed in the window containing BP value. This key is only available when a pressure transducer is present. 9. ZERO 2 (IBP) (Optional) A delayed action key which zeros the current pressure in the BP2 channel. If the transducer zero process is unsuccessful, “UNABLE TO ZERO” is displayed in a temporary window within the parameter window. This key is only available when a pressure transducer is present. 10. START (NIBP) A single action key which initiates an NIBP measurement. This function is not available if a measurement is in progress. 11. INTERVAL (NIBP) A repeat action key which selects the interval setting for NIBP measurements. Values wrap around at the lowest/highest choices. Choices are: Off, Continuous, 1, 2.5, 5, 10, 15, 20, 30, 60, and 120 minutes. Five seconds after the selection is made and the key is released, the new interval takes effect.

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Controls, Indicators and Connectors (5-Lead, 5L, LT)

Operation (5-Lead, 5L, LT and XG)

12. DEFLATE (NIBP) A single action key which stops any NIBP measurement in progress, including any timed measurement sequence, and deflates the cuff. When a timed measurement is stopped an “NIBP: DEFLATE” message followed by an “NIBP: IDLE” message displays in the NIBP message window until the timer mode is restarted by either pressing START or changing the interval. 13. VOLUME (Alarms and Alarm LED) A repeat action key which adjusts the alarm volume in 5 steps. There is no off position for this tone. The tone wraps to the minimum volume once the maximum is reached. The red alarm bell LED illuminates when an alarm condition exists. Refer to “Alarms” on page 1-49. 14. CHECK/RETURN (Alarms) A single action key which provides access to the alarm menu to view and select alarm values. Press SELECT to change the alarm values. Pressing CHECK/RETURN a second time or the END key, returns the display to the main screen and exits the alarm menu. 15. MUTE (Alarms) A single action and delayed action key which silences all currently alarming parameters or suspends all alarms. A single key press will silence the current alarm tone for 2 minutes. Any new alarms that occur while the alarm tone is muted will disable the mute and sound the Alarm Mute Symbol

alarm tone. An alarm mute symbol is displayed next to each muted parameter. The word Mute is displayed above the menu selections. When the key is pressed and held for 3 seconds, all set alarms will be suspended for 2 minutes. This is indicated by the Alarm Mute Symbol and the words All Mute displayed above the menu selections. When “Aud alm standby” is set to ON (in the User Configuration Menu), and the MUTE key is pressed and held for 4 seconds, all alarms are indefinitely suspended. This is indicated by the Alarm Mute Symbol in all parameter windows and the words Aud Alm Sby flashing above the menu selections. The All Mute and Aud Alm Sby modes can be exited by pressing the mute key. NOTE:

When “Aud alm standby” is set to ON and the unit is power off and then on again, the unit will power up in the Aud alm standby mode.

16. TRENDS/RETURN (Trends) A single action and delayed action key which displays and clears trended data. The most recent page of data is displayed when the key is first pressed. Press this key a second time to view additional trended data. Pressing and holding the key for 3 seconds clears all trended data. 17. TIME UP p and q TIME DOWN (Trends) Two repeat action keys which are used to scroll through the trend data.

1-6

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Controls, Indicators and Connectors (5-Lead, 5L, LT)

18. BEEP VOLUME A repeat action key which adjusts the beep volume in 5 steps plus OFF. When the maximum volume is reached, the volume will wrap around to OFF, then to the minimum volume 19. RECORD (Optional) A combination single action and delayed action key which initiates or stops a recording. Pressing the key once initiates a printout. Holding the key pressed for three seconds, when waveforms are displayed, initiates a continuous printing of waveforms. Pressing the key while the printing is in progress, stops the recorder. The recorder prints either waveforms or trend data, depending on what is displayed (i.e. trend data is printed when trend list is displayed.). The Recorder Set-up will determine which waveform or waveforms are printed. The Recorder Set-up will also determine the Record Destination - Local (recording from the Passport), Remote (recording from the VISA, no recording from the Passport), or Both (recording from the Passport and VISA). NOTE:

When a remote (VISA) recording is printed, the information that is printed is determined by the set-up in the VISA.

20. DC INPUT A green LED used to indicate that the POWER Switch (33) is in the ON position.

ECG AREA

MENU AREA

PARAMETER AREA MULTI-FUNCTION AREA

MESSAGE AREA FIGURE 1-2 Display

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Controls, Indicators and Connectors (5-Lead, 5L, LT)

Operation (5-Lead, 5L, LT and XG)

21. DISPLAY The Display is used to present information which is divided into 5 graphic display areas. They are: A. MENU Display Area B. ECG Display Area C.

PARAMETER Display Area

D. MULTI-FUNCTION Display Area E.

MESSAGE Display Area

NOTE:

1-8

Only one key function will be recognized at any time. The Passport will ignore multiple key selections.

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