EDAN CADENCE II User manual

I
Statement
This manual will help you understand the operation and maintenance of the product better. It
is reminded that the product shall be used strictly complying with this manual. User’s
operation failing to comply with this manual may result in malfunction or accident for which
the manufacturer can not be held liable.
The manufacturer owns the copyrights of this manual. Without prior written consent of the
manufacturer, any materials contained in this manual shall not be photocopied, reproduced or
translated into other languages.
Materials protected by the copyright law, including but not limited to confidential information
such as technical information and patent information are contained in this manual, the user
shall not disclose such information to any irrelevant third party.
The user shall understand that nothing in this manual grants him, expressly or implicitly, any
right or license to use any of the intellectual properties of the manufacturer.
The manufacturer holds the rights to modify, update, and ultimately explain this manual.
Responsibility of the Manufacturer
The manufacturer only considers itself responsible for any effect on safety, reliability and
performance of the equipment if:
Assembly operations, extensions, re-adjustments, modifications or repairs are carried out by
persons authorized by the manufacturer, and
The electrical installation of the relevant room complies with national standards, and
The instrument is used in accordance with the instructions for use.
Upon request, the manufacturer may provide, with compensation, necessary circuit diagrams,
and other information to help qualified technician to maintain and repair some parts, which
the manufacturer may define as user serviceable.
Using This Label Guide
This guide is designed to give key concepts on safety precautions.
WARNING
A WARNING label advises against certain actions or situations that could result in personal
injury or death.
CAUTION
A CAUTION label advises against actions or situations that could damage equipment,
produce inaccurate data, or invalidate a procedure.
NOTE:
A NOTE provides useful information regarding a function or a procedure.
P/N: MS1R-111066-1.1

II
Revision History
Date ECO# Version Description
2008/10/31 --- 1.0 1st edition
2009/09/10 ECR-QR-9036 1.1
Added key volume adjustment, warning notes
and abbreviation list.
Revised SOV position, DECG volume and the
format of the specification tables.

III
Table of Contents
Chapter 1 Safety Guidance...................................................................................................... 1
1.1 Intended Use.................................................................................................................. 1
1.2 Instruction for Safe Operation....................................................................................... 1
1.3 Ultrasound Safety Guide ............................................................................................... 2
1.4 Safety Precautions ......................................................................................................... 2
1.5 Definitions and Symbols ............................................................................................... 5
Chapter 2 Installation Guidance............................................................................................. 7
2.1 Opening the Package and Checking.............................................................................. 7
2.2 Installing Battery........................................................................................................... 7
2.3 Connecting the Power Cable ......................................................................................... 8
2.4 Feeding Paper................................................................................................................ 8
Chapter 3 Introduction ..........................................................................................................10
3.1 Functions ..................................................................................................................... 10
3.2 Monitor........................................................................................................................ 11
3.2.1 Display .............................................................................................................. 11
3.2.2 Key Functions and Operations .......................................................................... 14
3.2.3 Indicators........................................................................................................... 15
3.2.4 Sockets on the Right Side of the Monitor ......................................................... 16
3.2.5 Base Panel ......................................................................................................... 16
3.3 Transducers and Cables............................................................................................... 16
3.3.1 Transducers ....................................................................................................... 17
3.3.2 Remote Event Marker ....................................................................................... 17
3.3.3 Fetal Spiral Electrode........................................................................................ 18
3.4 Ordering Information .................................................................................................. 18
Chapter 4 Alarm..................................................................................................................... 20
4.1 Alarms Classification .................................................................................................. 20
4.2 Audible Alarm............................................................................................................. 20
4.3 Visual Alarm ............................................................................................................... 20
4.4 Treatment Measures .................................................................................................... 21
4.5 Testing Alarms ............................................................................................................ 21
4.6 Alarm Messages .......................................................................................................... 21
4.7 Alarm Defaults ............................................................................................................ 23
Chapter 5 Printing.................................................................................................................. 24
5.1 Function Description ................................................................................................... 24
5.2 Printing Configuration................................................................................................. 25
5.2.1 Switching Auto-Print On and Off ..................................................................... 25
5.2.2 Choosing the Paper Speed................................................................................. 25
5.2.3 Choosing the Time Length................................................................................ 25
5.2.4 Switching Print Test On and Off....................................................................... 25
5.3 Examples of Printing Pattern....................................................................................... 26
Chapter 6 Pre-Monitoring Preparation ............................................................................... 28
6.1 Confirming Fetal Life.................................................................................................. 28
6.2 Switching On the Monitor........................................................................................... 28
6.3 Setting Date and Time................................................................................................. 29
6.4 Connecting Transducers.............................................................................................. 29
6.5 Adjusting the Volume ................................................................................................. 30

IV
Chapter 7 Monitoring ............................................................................................................31
7.1 Confirming Fetal Life.................................................................................................. 31
7.2 Monitoring FHR with Ultrasound ............................................................................... 31
7.2.1 Parts Required ................................................................................................... 31
7.2.2 Operation Procedure.......................................................................................... 31
7.2.3 Switching the FHR Alarm On or Off ................................................................ 33
7.2.4 Changing the FHR Alarm Limits ...................................................................... 33
7.2.5 Changing the FHR Alarm Keep Time............................................................... 33
7.2.6 Switching the Probe Detecting Alarm On or Off.............................................. 34
7.2.7 Switching the FHR Signal Quality Alarm On or Off........................................ 34
7.3 Monitoring FHR with DECG (optional) ..................................................................... 34
7.3.1 Contraindications .............................................................................................. 34
7.3.2 Parts Required ................................................................................................... 35
7.3.3 Preparing the Patient's Skin Prior to Placing Electrodes................................... 35
7.3.4 Directions for Use of Fetal Spiral Electrode ..................................................... 35
7.3.5 DECG Monitoring Procedure............................................................................ 36
7.3.6 Detaching the Fetal Spiral Electrode................................................................. 36
7.3.7 Switching DECG Arrhythmia Logic On or Off................................................ 36
7.3.8 Changing DECG Volume.................................................................................. 37
7.4 Dual Heart Rate Monitoring........................................................................................ 37
7.4.1 Monitoring Twins Externally ............................................................................ 37
7.4.2 Monitoring Internally (Optional) ...................................................................... 37
7.4.3 Signals Overlap Verification (SOV) ................................................................. 38
7.4.4 Changing FHR2/DECG Offset.......................................................................... 38
7.5 Monitoring Uterine Activity (UA) Externally ............................................................ 39
7.5.1 Parts Required ................................................................................................... 39
7.5.2 Operation Procedure.......................................................................................... 39
7.5.3 Changing the UA Baseline................................................................................ 39
7.5.4 Switching the UA Probe Detecting Alarm On or Off ....................................... 40
7.6 Monitoring Uterine Activity Internally (optional) ...................................................... 40
7.6.1 Parts Required ................................................................................................... 40
7.6.2 Directions for Use of IUPC............................................................................... 40
7.6.3 Operation Procedure.......................................................................................... 42
7.6.4 Checking Intrauterine Pressure Cable Function................................................ 43
7.7 Fetal Movement Monitoring ....................................................................................... 43
7.7.1 Choosing the FM Source................................................................................... 43
7.7.2 Auto Fetal Movement Monitoring (AFM) ........................................................ 43
7.7.3 Enabling/Disabling AFM Trend........................................................................ 44
7.7.4 Changing AFM Threshold ................................................................................ 44
7.7.5 Changing AFM Gain......................................................................................... 44
7.7.6 Manual Fetal Movement Monitoring (MFM) ................................................... 44
7.7.7 Clearing FM Count............................................................................................ 45
7.8 Login ........................................................................................................................... 45
7.8.1Inputting Patient’s Bed ID.................................................................................. 45
7.8.2 Inputting Patient’s Information ......................................................................... 45
7.8.3 Enabling / Disabling Manual Login .................................................................. 46
7.9 Start Monitoring .......................................................................................................... 46
7.10 Screen Display........................................................................................................... 46
7.10.1 Fetal Monitoring Trends.................................................................................. 47
7.10.2 Trends Playback .............................................................................................. 47
7.10.3 Trends Loading ............................................................................................... 48

V
7.10.4 Fetal Monitoring Values.................................................................................. 49
7.11 Completing Monitoring............................................................................................. 49
7.12 Switching Off the Monitor ........................................................................................ 49
Chapter 8 Maintenance, Care and Cleaning ....................................................................... 50
8.1 Preventive Maintenance .............................................................................................. 50
8.1.1 Maintaining Inspection...................................................................................... 50
8.1.2 Maintenance of the Monitor.............................................................................. 50
8.1.3 Maintenance of the Transducers ....................................................................... 51
8.1.4 Storage of Recorder Papers ............................................................................... 51
8.1.5 Cleaning of the Recorder................................................................................... 51
8.2 Cleaning ...................................................................................................................... 52
8.2.1 Cleaning of the Monitor .................................................................................... 52
8.2.2 Cleaning of the Accessories .............................................................................. 52
8.3 Disinfecting ................................................................................................................. 53
8.4 Sterilizing .................................................................................................................... 54
Chapter 9 After-Sales Service................................................................................................ 55
Appendix 1 Product Specifications....................................................................................... 56
A1.1 Environmental Specifications................................................................................... 56
A1.2 Physical Specifications............................................................................................. 56
A1.3 Performance Specifications...................................................................................... 57
A1.4 Recorder Specifications............................................................................................ 59
A1.5 Lithium-ion Battery Specifications .......................................................................... 59
A1.6 Low Output Summary Table.................................................................................... 60
Appendix 2 Signal Input/Output Connector ....................................................................... 61
Appendix 3 Troubleshooting ................................................................................................. 62
A3.1 No Display................................................................................................................ 62
A3.2 Noise......................................................................................................................... 62
A3.3 Recorder Error.......................................................................................................... 62
A3.4 Ultrasound Monitoring of FHR................................................................................ 63
A3.5 DECG Monitoring of FHR....................................................................................... 63
A3.6 Monitoring Contractions (External) ......................................................................... 64
A3.7 Monitoring Contractions (Internal) .......................................................................... 64
A3.8 Blown Fuses ............................................................................................................. 64
Appendix 4 Abbreviation....................................................................................................... 66
Appendix 5 EMC Information – Guidance and Manufacture’s Declaration................ 67
A5.1 Electromagnetic Emissions – for all EQUIPMENT and SYSTEMS....................... 67
A5.2 Electromagnetic Immunity – for all EQUIPMENT and SYSTEMS .................... 68
A5.3 Electromagnetic Immunity – for EQUIPMENT and SYSTEM that are not
LIFE-SUPPORTING ........................................................................................................ 69
A5.4 Recommended Separation Distance......................................................................... 71

CADENCE II Fetal Monitor User Manual
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Chapter 1 Safety Guidance
NOTES:
1) In order to ensure the operator and patient’s safety, read through this chapter before
using this monitor.
2) This user manual is written to cover the maximum configuration. Therefore, your
model may not have some of the parameters and functions described, depending on
what you have ordered.
1.1 Intended Use
The CADENCE II fetal monitor is intended for monitoring physiological parameters of pregnant
women during antepartum examination, labor and delivery. It is intended to be used only by
trained and qualified personnel in antepartum examination rooms, labor and delivery rooms. It is
not intended for use in intensive care units, operating rooms or for home use.
1.2 Instruction for Safe Operation
AThe CADENCE II Fetal Monitor (hereinafter called “CADENCE II”) is designed to comply
with the international safety requirements IEC/EN 60601-1 for medical electrical equipment.
It is class I equipment.
ACADENCE II operates within specifications at ambient temperatures between 5 ºC (41 ºF)
and 40 ºC (104 ºF) after it is powered on for one minute. Ambient temperatures that exceed
these limits could affect the accuracy of the instrument and cause damage to the modules and
circuits. Allow at least two inches (5 cm) clearance around the instrument for proper air
circulation.
AYou must check that the equipment, cables and transducers do not have visible evidence of
damage that may affect patient safety or monitoring capability before each use. If damage is
evident, replacement is recommended before use.
AThe monitor must be serviced only by authorized and qualified personnel. The manufacturer
does not accept responsibility for safety compliance, reliability and performance if
modifications or repairs are carried out by unauthorized personnel. Identical replacement
parts must be used.
APerform periodic safety testing to ensure proper patient safety. This should include leakage
current measurement and insulation testing. The recommended testing interval is once per
year.
AThe protective categories against electric shock of the patient connections are:
1) Ultrasound (FHR1, FHR2) 2) External TOCO
3) Fetal Movement (FM) 4) Fetal Stimulator (FS)
This symbol indicates that this is an IEC/EN 60601-1 Type B applied part.

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IUP
This symbol indicates that this is an IEC/EN 60601-1 Type BF applied part.
DECG
This symbol indicates that this is an IEC/EN 60601-1 Type CF applied part.
AThe monitor described in this user manual is not protected against:
a) The effects of defibrillator shocks
b) The effects of defibrillator discharge
c) The effects of high frequency currents
d) The interference of electrosurgery equipment
1.3 Ultrasound Safety Guide
AFetal Use
The CADENCE II Fetal Monitor is designed for continuous fetal heart rate monitoring during
pregnancy and labor. Clinical interpretation of fetal heart rate trends can diagnose fetal and/or
maternal problems and complications.
AInstructions for Use in Minimizing Patient Exposure
The acoustic output of CADENCE II is internally controlled and can not be varied by the
operator in the course of the examination. The duration of exposure is, however, fully under the
control of the operator. Mastery of the examination techniques described in the User Manual will
facilitate obtaining the maximum amount of diagnostic information with the minimum amount of
exposure. The exercising of clinical judgment in the monitoring of low risk patients will avoid
unnecessary insonation.
1.4 Safety Precautions
To avoid the possibility of injury, observe the following WARNING and CAUTION messages
during the operation of the instrument.
WARNING :
For using safety:
ACADENCE II is provided for the use of qualified physicians or personnel
professionally trained. They should be familiar with the contents of this user manual
before operation.
AOnly qualified service engineers can install this equipment. Only service engineers
authorized by the manufacturer can open the case.
AThis device is not intended for home use.
AEXPLOSION HAZARD - Do not use the monitor in the presence of flammable
anesthetics or other materials.

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ASHOCK HAZARD - The power receptacle must be a three-wire grounded outlet. A
hospital grade outlet is required. Never adapt the three-prong plug from the monitor
to fit a two-slot outlet. If the outlet has only two slots, make sure that it is replaced
with a three-slot grounded outlet before attempting to operate the monitor.
ADo not apply this monitor and other ultrasonic equipment simultaneously on a same
patient, in case of possible hazard caused by leakage current superposition.
ADo not apply this monitor simultaneously with other PATIENT-connected equipment,
such as, a cardiac pacemaker or other electrical stimulators, on the same patient.
ADo not switch on device until all cables have been properly connected and verified.
ADo not touch the signal input or output connector and the patient simultaneously.
AEquipment and devices that connect to the monitor should form an equipotential
body to ensure effective grounding.
ADisconnect the power cord before changing fuses. Replace them with those of the
same specifications only.
ASHOCK HAZARD - Do not attempt to connect or disconnect a power cord with wet
hands. Make certain that your hands are clean and dry before touching a power
cord.
ASHOCK HAZARD - Do not remove the top panel cover during operation or while
power is connected.
AThe monitor is not protected against defibrillation. Do not apply it during
electro-surgery or MRI; otherwise it might result in harming the patient or the
operator.
ATo ensure the proper working of the monitor, only connect accessories supplied or
recommended by the manufacturer to the device.
AAccessory equipment connected to the analog and digital interfaces must be
validated according to the respective IEC/EN standards (e.g. IEC/EN 60950 for
data processing equipment and IEC/EN 60601-1 for medical equipment).
Furthermore all configurations shall comply with the valid version of the system
standard IEC/EN 60601-1-1. Everybody who connects additional equipment to the
signal input connector or signal output connector configures a medical system, and
is therefore responsible that the system complies with the requirements of the valid
version of the system standard IEC/EN 60601-1-1. If in doubt, consult our technical
service department or your local distributor.
For proper monitoring:
AThis device is not intended for treatment.
AThe fetal spiral electrode and intrauterine pressure catheter are disposable. Discard

CADENCE II Fetal Monitor User Manual
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them after use.
AThe IUPC is neither intended nor approved for measuring intrauterine pressure
extraovularly; attempting to do so may lead to maternal discomfort or injury.
ATo avoid delay of treatment, alarms must be set according to different conditions of
patients. Make sure that audio sounds can be heard when an alarm occurs.
For using the battery:
ARead this manual thoroughly before using the battery. Improper operation may
cause the battery to get hot, catch fire, explode, be damaged or attenuated in
energy.
ADo not heat or throw the battery into fire.
ADo not immerse, throw or wet battery in water/ seawater.
ADo not use, leave the battery close to fire or other places where temperatures may
be above 60°C (140 ºF).
ADo not destroy the battery, pierce it with a sharp object, hit it with a hammer or drop
it on a hard ground. This may cause battery explosion.
ADo not connect the battery directly to an electric outlet or cigarette lighter charger.
ADo not solder the leading wire and the battery terminal directly.
AStop using the battery if abnormal heat, odor, discoloration, deformation or
abnormal condition is detected during use, charge, or storage. Keep it away from
the monitor.
AIf liquid leaking from the battery splashes into your eyes, do not rub them. Wash
them well with clean water and see a doctor immediately.
AIf liquid leaks of the battery onto your skin or clothes, wash well with fresh water
immediately.
AUse the battery only in CADENCE II.
CAUTION :
AFederal (U.S.) law restricts this device to sale by or on the order of a physician.
AThe device is designed for continuous operation and is “ordinary” (i.e. not drip or
splash-proof). Keep it far from corrosive medicine, dust area, high-temperature and
humid environment.
ADo not operate the unit if it is damp or wet because of condensation or spills. Avoid
using the equipment immediately after moving it from a cold environment to a warm,
humid location.
ASterility can not be guaranteed if the package of the fetal spiral electrode is broken
or opened.
ADo not sterilize the monitor or any accessory.
AElectromagnetic Interference - Ensure that the environment in which the fetal
monitor is installed is not subject to any source of strong electromagnetic
interference, such as radio transmitters, mobile telephones, etc.

CADENCE II Fetal Monitor User Manual
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AWhile the battery is charged, used or stored, keep it away from objects or materials
with static electric charges.
ADo not short-circuit the battery socket or the battery plug.
AIf the battery connector becomes dirty, wipe it with a dry cloth.
AThe recommended charge temperature range is from 0 ºC (32 ºF) to 40 ºC (104 ºF).
Do not exceed these ranges.
ABatteries have life cycles. If the time that the monitor uses the battery becomes
much shorter than usual, the battery life is at an end. Replace the battery with a
new one the same as the one provided or recommended by the manufacturer.
AWhen not using battery for an extended period, or any peculiar smell, distortion or
discoloration is detected, remove it from the monitor and dispose of it properly.
AThe device and accessories are to be disposed of according to local regulations
after their useful lives. Alternatively, they can be returned to the dealer or the
manufacturer for recycling or proper disposal. Batteries are hazardous waste. Do
NOT dispose them together with house-hold garbage. At the end of their life hand
the batteries over to the applicable collection points for the recycling of waste
batteries. For more detailed information about recycling of this product or battery,
please contact your local Civic Office, or the shop where you purchased the
product.
1.5 Definitions and Symbols
Socket for ultrasound transducer 1 ( Type B applied part)
Socket for TOCO transducer ( Type B applied part) or IUP cable (Type BF
applied part)
Socket for ultrasound transducer 2 ( Type B applied part)
Socket for DECG cable ( Type CF applied part)
Socket for Remote Event Marker ( Type B applied part)
Socket for Fetal Stimulator ( Type B applied part)
Power Socket

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Fuse Socket
DB9 interface (for connection to wireless network module)
RJ45 Interface
Equipotential Grounding System
Attention, Consult Accompanying Documents
Type B Applied Part
Type BF Applied Part
Type CF Applied Part
The symbol indicates that the device should be sent to the special agencies
according to local regulations for separate collection after its useful life.
The symbol indicates that the device should be sent to the special agencies
according to local regulations for separate collection after its useful life and that
this unit was put on the market after 13 August 2005.
Part Number
Serial Number
Date Of Manufacture
Manufacturer
Authorized Representative in the European Community
Recycle
Rx only (U.S.) Federal (U.S.) Law restricts this device to sale by or on the order of a physician

CADENCE II Fetal Monitor User Manual
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Chapter 2 Installation Guidance
NOTE:
Installation must be carried out by qualified personnel authorized by the manufacturer.
2.1 Opening the Package and Checking
Open the package and take out the monitor and accessories carefully. Keep the package for
possible future transportation or storage. Check the components according to the packing list.
ACheck for any mechanical damage.
ACheck all the cables and accessories.
If there is any problem, contact us or your local distributor immediately.
2.2 Installing Battery
WARNING ：
Switch off the monitor and unplug it before installing or removing the battery.
(1) Battery Installation
ACarefully place the monitor upside down on a flat surface covered with cloth or other types
of protecting pad.
ARemove the screw of the battery compartment.
ARemove the battery compartment cover.
ATake the battery out from package. Place the battery into the compartment with the wired
direction on the outside.
AInsert the cable connector into the socket.
AClose the battery compartment cover and fix it with the screw.
(2) Battery Removal
The steps of battery removal are opposite to those of battery installation.
NOTES:
1) When a battery is configured, after the device is transported or stored, the battery
must be charged. Connecting the monitor to AC power supply will charge the battery
no matter if the monitor is powered on.
2) If a rechargeable battery is configured, charge it fully each time after use to ensure
the electric power is enough.

CADENCE II Fetal Monitor User Manual
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2.3 Connecting the Power Cable
AUse the power cord provided with the monitor. Put the connector of the power cord into the
power socket on the monitor. Put the plug of the power cord into a grounded 3-slot power
output special for hospital usage.
AMake sure the AC power supply complies with the following specification: 100V-240V~,
50Hz/60 Hz.
WARNING :
If the protective grounding (protective earth) system is doubtful, the monitor must be
powered only by the inner power.
2.4 Feeding Paper
Feeding Paper
If the paper is used up or a paper jam happens, you have to feed paper. The operation procedure is
as follows:
1) Press the position simultaneously on both sides of the recorder cover to open the paper
compartment.
2) Take out the Z-fold thermosensitive paper from the wrapper. Place the pack in the
compartment with the pane facing down and the green safety area on the left.
3) Feed the recorder paper into the paper advance slot (Figure 2-1). The paper will come out
from the notch automatically. Adjust the paper length by rotating the gear on the left of the
handle if required.
Figure 2-1 Diagram of feeding paper
4) If the paper is slantwise, pull the handle up and rotate the gear to force the paper out. Push the
handle down and then feed paper again.
5) After closing the cover, make sure that the paper can come out from the paper notch.
NOTES:
1) When feeding paper, the black handle must be down. If a paper jam happens, pull up
the handle first, and then push the gear to force the paper out.
2) Feed the paper gently and avoid touching the print head.
Paper advance slot
The side without print
scale faces up.
Handle

CADENCE II Fetal Monitor User Manual
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3) Make sure the paper coming out from the notch aligns with the notch edges.
Otherwise, the trend printed on the recorder paper will be inaccurate or paper jam
may happen.
4) Only use the manufacturer approved paper to avoid poor printing quality, deflection
and paper jam.
5) The printing function cannot be executed when ultrasound transducer or DECG
cable connector falls off.
Figure 2-2 Diagram of feeding paper correctly
NOTE:
Be careful when feeding paper. Avoid damaging the thermosensitive print head. Unless
feeding paper or shooting troubles, do not leave the recorder compartment open.
Removing Paper Jam
When the recorder does not function or sound properly, open the paper compartment to check for
a paper jam. Remove the paper jam in this way:
ACut the recorder paper from the paper notch edge.
AOpen the paper compartment, and then rotate the gear of the recorder.
ARemove the rest of the paper.
AFeed the paper again.

CADENCE II Fetal Monitor User Manual
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Chapter 3 Introduction
3.1 Functions
The CADENCE II Fetal Monitor can provide different configurations according to different user
requirements: FHR1 (Fetal Heart Rate 1), FHR2 (Fetal Heart Rate 2), TOCO, AFM (automatic
fetal movement monitoring), MFM (manual fetal movement monitoring), FS (fetal stimulator,
optional), DECG (direct fetal ECG, optional) and IUP (Intra-uterine Pressure, optional).
A 5.7” LCD display is applied by the monitor to display the FHR1, FHR2/DECG (dual
configuration) and TOCO/IUP trend and numerics. Also a built-in thermal recorder is used to
print the trends and other information. A rechargeable lithium-ion battery is provided for your
option.
A DB9 interface is built in the monitor. With it, the monitor can be connected to a computer or
the MFM-CNS central monitoring system via 485 network. Optionally, you can order a built-in
wireless network module to connect the monitor via wireless network. The data collected and
stored by CADENCE II can be analyzed by the Insight software running on PC or MFM-CNS
(Refer to MFM-CNS Central Monitoring System User Manual and the relevant information of
wireless network module).

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3.2 Monitor
NOTE: The pictures and interfaces in this manual are for reference only.
Figure 3-1 CADENCE II appearance (dual configuration)
3.2.1 Display
The display of the monitor is used to show the information of the monitor, menus, and collected
fetal parameters and trends etc.
To fit different mounting situations, the display can be tilted to one of the four preset positions.
To tilt the display, you need to lift the display forward to the desired angle.
To fold the display, you need to push the display backward to the desired angle.
Fold the display completely flat when the monitor is mounted on wall.
Display Screen
Charging Indicator
Keys
Recorder
Remote
Event Marker
Alarm Indicator
Power Indicator
Ultrasound Transducer
TOCO Transducer

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Figure 3-2 To tilt the display
The screen display includes three frames: (1) information frame, (2) trend/menu frame, (3)
parameter frame (see Figure 3-3).
Figure 3-3 Display screen
(1) Information Frame
The information frame is located at the bottom of the screen, which indicates current status of the
monitor.
a) : AC power supplied;
: no AC power supplied.
b) : The battery is loaded, and the white pane indicates the charge of the battery;
means no battery is loaded.
c) : The recorder is printing;
: The recorder stops printing.
d) : The audible alarm sound is activated;
: The audible alarm sound is inactivated;
e) : The monitor is online.
: The monitor is offline.
Parameter frame
Trend/menu frame
Information frame

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f) : Time length, the duration of the current monitoring.
(2) Trend/Menu Frame
The trend/menu frame occupies most space of the screen. During monitoring and playing back, it
displays trends; during setting, it displays setup menus.
i) Main Interface
The background supports two standards: 30 ~ 240 (American standard) and 50 ~ 210
(International standard).
There are two top horizontal graticules within the FHR trend frame. They make it easier for you
to estimate if the heart rates have exceeded the preset limits. The FHR1 lower and upper limits
determine its range.
The bottom graticule shows the UA baseline.
ii) Setup Menu
The setup menus include: Function menu, Alarm Configuration menu, Fetal Monitor
Configuration menu, Print Configuration menu, Interpartum Configuration menu, Auto
Monitor menu, Date and Time menu and System menu.
In the setup menus, the pane that encircles an item is called the cursor. Press the UP key or
DOWN key to move the cursor to the previous or next item. When it comes to the needed item,
press the CHANNEL key to stop it. This item will be highlighted. This item might have several
options, press the UP key or DOWN key to switch to the previous or next option. When the
required option appears, press the CHANNEL key to confirm the selection. By then the cursor
will turn into the pane and will be able to move among the items again.
If no action is taken in 30 seconds, the system will return to the upper directory.
Press the SETUP key again to enter the next setup menu.
Press the AUTO key to return to the main interface quickly.
(3) Parameter Frame
Parameter frame lies on the right of the trend frame. The monitoring values are displayed here.

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3.2.2 Key Functions and Operations
Figure 3-4 Keys
CADENCE II Fetal Monitor is a user-friendly device with operation conducted by a few keys on
the monitor. Their functions are as follows:
(1) SETUP key
Function: Enter setup menus.
There are eight setup menus in the monitor. Keep pressing this key, the monitor will switch
among the eight setup menus and the main interface in turn.
(2) ALARM key
Function: Disable/Enable the audible alarm.
Press this key, the audible alarm toggles between on and off.
(3) PRINT key
Function: Enable/Disable printing
Press this key to start printing. Press this key again to stop printing.
(4) AUTO ZERO key
Function: TOCO zero
Adjust the external TOCO contractions trend/value to preset unit (external monitoring
contractions) or adjust the IUP trend/value to the reference point 0 (internal monitoring
contractions).
(5) FREEZE key
Function: Freeze
Freeze the advancing real-time trends and control playback trends.
(6) MARK key
Function: Record an event.
Press this key to make a patient event.