natus ErgoJust User manual

Natus ErgoJust and ErgoJust ICU Cart
Installation and Functionality Guide
Natus ErgoJust cart Natus ErgoJust ICU cart
019667 Rev 05

Information
August 22, 2017 a
Technical support
Natus Medical Incorporated
DBA Excel-Tech Ltd. (XLTEK)
2568 Bristol Circle
Oakville, Ontario, L6H 5S1 Canada
Tel: [phone] or Fax: [phone]
Toll Free (US & Canada): 800-303-0306
Technical Support Email: [email protected]
Customer Service Email: Oakvill[email protected]
Website: www.natus.com
Publisher’s notice
Part 019667 Rev 05
Natus ErgoJust and ErgoJust ICU Cart Installation and Functionality Guide
Natus EU Authorized Representative
Natus Manufacturing Limited
IDA Business Park
Gort, Co.Galway, Ireland
Safety and standards conformity
The Natus ErgoJust cart meets the following safety standards set by domestic and international regulatory agencies for Medical
Electrical Equipment.
•UL 60601-1 General Requirements
•CSA 22.2 No. 601.1-M90 General Requirements
•IEC/EN 60601-1 General Requirements
Copyright and trademarks
© 2017 Natus Medical Incorporated or one of its subsidiaries. All rights reserved.
Natus is a registered trademark of Natus Medical Incorporated. All product names appearing on this document are trademarks or
registered trademarks owned, licensed to, promoted or distributed by Natus Medical Incorporated, its subsidiaries or affiliates. All
other trademarks are the property of their respective owners.

ErgoJust and ErgoJust ICU Cart Installation and Functionality Guide
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Table of Contents
August 22, 2017 1
Technical support...............................................................................................................................................................................a
Publisher’s notice ...............................................................................................................................................................................a
Natus EU Authorized Representative ..............................................................................................................................................a
Safety and standards conformity......................................................................................................................................................a
Copyright and trademarks................................................................................................................................................................a
Introduction
Natus ErgoJust and ErgoJust ICU cart dimensions....................................................................................................................1-1
Using this manual............................................................................................................................................................................1-2
Intended use.....................................................................................................................................................................................1-2
Manual conventions ........................................................................................................................................................................1-2
About the illustrations ....................................................................................................................................................................1-2
Symbol/convention description......................................................................................................................................................1-2
Labels and symbols .........................................................................................................................................................................1-3
Safety summary...............................................................................................................................................................................1-4
Warnings ......................................................................................................................................................................................1-4
Voltage requirements......................................................................................................................................................................1-6
Computer requirements................................................................................................................................................................1-6
ISO or UPS requirements.............................................................................................................................................................1-6
Patient isolation requirements .......................................................................................................................................................1-6
Compatible Natus ErgoJust cart accessories................................................................................................................................1-7
Compatible Natus ErgoJust ICU cart accessories .......................................................................................................................1-8
Disposal at end of operating life instructions. ..............................................................................................................................1-9
Natus ErgoJust cart weight capacities ..........................................................................................................................................1-9
Natus ErgoJust ICU cart weight capacities..................................................................................................................................1-9
Cleaning recommendations..........................................................................................................................................................1-10
Natus ErgoJust and Natus ErgoJust ICU cart ............................................................................................................................1-10
System components ...................................................................................................................................................................1-10
Preventive maintenance................................................................................................................................................................1-10
General Use
Basic ErgoJust cart system component identification .................................................................................................................2-2
Basic ErgoJust ICU cart system component identification.........................................................................................................2-3
Adjusting the Natus ErgoJust and Natus ErgoJust ICU cart components ...............................................................................2-4
Locking/unlocking the wheels .....................................................................................................................................................2-4
Transporting the cart ....................................................................................................................................................................2-4
Adjusting the work surface height ...............................................................................................................................................2-5
Extending the keyboard tray (ErgoJust cart only) .......................................................................................................................2-5
Tilting the keyboard tray (ErgoJust cart only).............................................................................................................................2-6
Extending the mouse holder tray (ErgoJust cart only).................................................................................................................2-6
Mounting the mouse holder for left or right handed mouse operation (ErgoJust cart only) .......................................................2-7
Raising/lowering the monitor or All-in-One computer ...............................................................................................................2-7
Rotating and tilting the monitor or All-in-One computer............................................................................................................2-8
Transporting the ErgoJust and ErgoJust ICU cart .......................................................................................................................2-8
ErgoJust Cart Installation
Advice to the installer .....................................................................................................................................................................3-1
Checks ..............................................................................................................................................................................................3-1
Mounting the keyboard ..................................................................................................................................................................3-2
Removing the video pole.................................................................................................................................................................3-3
Remove the optional Natus Photic Stimulator.............................................................................................................................3-3
Mounting the video pole .................................................................................................................................................................3-5

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Positioning the video pole brackets............................................................................................................................................. 3-5
Mount the video pole................................................................................................................................................................... 3-6
Mounting the computer bracket ................................................................................................................................................... 3-8
Mounting the computer ................................................................................................................................................................. 3-8
Mounting the ISO or UPS.............................................................................................................................................................. 3-9
Mounting the Natus Photic Stimulator (option)........................................................................................................................ 3-12
Mounting the Natus Amplifier Base Unit................................................................................................................................... 3-12
Mounting the IR light and microphone...................................................................................................................................... 3-13
Mounting the video camera ......................................................................................................................................................... 3-14
Mounting the display monitor..................................................................................................................................................... 3-14
Adjusting the handle height......................................................................................................................................................... 3-15
Replacing a basket/handle ........................................................................................................................................................... 3-16
Remove the video pole.............................................................................................................................................................. 3-16
Remove the basket .................................................................................................................................................................... 3-16
Replacing a damaged handle..................................................................................................................................................... 3-17
Install the new basket ................................................................................................................................................................ 3-18
Reinstall the video pole mounting brackets .............................................................................................................................. 3-19
Verifying the ISO or UPS voltage ............................................................................................................................................... 3-21
Removing the cable channel cover.............................................................................................................................................. 3-22
Signal and control cables connections ........................................................................................................................................ 3-23
Signal and control cables routings .............................................................................................................................................. 3-24
System power cables connections................................................................................................................................................ 3-25
System power cables routings ..................................................................................................................................................... 3-26
ErgoJust ICU Cart Installation
Advice to the installer..................................................................................................................................................................... 4-1
Checks.............................................................................................................................................................................................. 4-1
Mounting the keyboard.................................................................................................................................................................. 4-2
Removing the video pole ................................................................................................................................................................ 4-3
Removing the video pole mounted with the PTZ or HD PTZ video camera.............................................................................. 4-3
Removing the video pole mounted with the Fixed-zoom video camera..................................................................................... 4-5
Mounting the ErgoJust ICU cart video pole................................................................................................................................ 4-8
Positioning the Video Pole brackets............................................................................................................................................ 4-8
Mount the video pole................................................................................................................................................................... 4-9
Mounting the ISO or UPS............................................................................................................................................................ 4-11
Mounting the amplifier base unit................................................................................................................................................ 4-14
Mounting the All-in-One computer ............................................................................................................................................ 4-14
PTZ and HD PTZ video option................................................................................................................................................... 4-15
Mounting the video camera....................................................................................................................................................... 4-15
Mounting the IR light and microphone ..................................................................................................................................... 4-16
Fixed-zoom video option .............................................................................................................................................................. 4-17
Mounting the microphone (option) ........................................................................................................................................... 4-17
Mounting the Fixed-zoom video camera .................................................................................................................................. 4-18
Mounting the IR light to the video camera ............................................................................................................................... 4-18
Adjusting the handle height......................................................................................................................................................... 4-19
Replacing a basket/handle ........................................................................................................................................................... 4-20
Remove the video pole.............................................................................................................................................................. 4-20
Remove the basket .................................................................................................................................................................... 4-20
Replacing a damaged handle..................................................................................................................................................... 4-21
Install the new basket ................................................................................................................................................................ 4-22
Reinstall the video pole mounting brackets .............................................................................................................................. 4-23
Verifying the ISO or UPS voltage ............................................................................................................................................... 4-25
Removing the cable channel cover.............................................................................................................................................. 4-26

Table of Contents
August 22, 2017 3
PTZ and HD PTZ video option signal and control cables connections ...................................................................................4-27
PTZ and HD PTZ option signal and control cables routings ...................................................................................................4-28
PTZ and HD PTZ video option power cables connections .......................................................................................................4-29
PTZ and HD PTZ video option power cables routings .............................................................................................................4-30
Fixed-zoom video option signal and control cables connections ..............................................................................................4-31
Fixed-zoom video option signal and control cables routings ....................................................................................................4-32
Securing the cables with tie wraps.............................................................................................................................................4-33
Fixed-zoom video option power cables connections...................................................................................................................4-34
Fixed-zoom video option power cables routings ........................................................................................................................4-35

ErgoJust and ErgoJust ICU Cart Installation and Functionality Guide
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August 22, 2017 1-1
Chapter 1
Introduction
The Natus ErgoJust and Natus ErgoJust ICU are ergonomic carts used with Natus NeuroWorks/
SleepWorks devices and accessories to provide a complete portable workstation for EEG
applications.
The ErgoJust cart provides a portable workstation at the point of care in any hospital room
requiring EEG monitoring or testing. It is ideally designed for as a comprehensive solution for
long-term EEG monitoring (LTM). It features mounting brackets for Natus amplifier base units,
acquisition computer with NeuroWorks/SleepWorks software, a monitor, pan-tilt-zoom (PTZ) or
high-definition (HD PTZ) video camera options, IR light and microphone, Natus photic stimulator,
isolation transformer (ISO) or uninterruptible power supply (UPS) and basket(s) for clinical
supplies.
The ErgoJust ICU cart is ideal for EEG monitoring applications in an Intensive Care Unit (ICU). It
offers the same features as the ErgoJust cart but utilizes an All-in-One desktop acquisition
computer, ideal for a smaller footprint, touchscreen operation in the ICU.
ErgoJust and ErgoJust ICU features and options include:
•Height adjustable work surface and
keyboard tray
•Adjustable and tilting monitor
•Sit-to-stand adjustment range
•Quick disconnect attachment for Natus
amplifier base units
•Computer with Natus Neuroworks/
SleepWorks software
•Fixed -zoom, pan-tilt-zoom (PTZ) and
high-definition (HD) PTZ video camera
•Small footprint base
•4-wheel lockable casters
Natus ErgoJust and
ErgoJust ICU cart
dimensions
Cart with Video Pole: 77.4” H x 22” W x 31” D (1.966m H x 0.558m W x 0.787m D)

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Using this manual
This manual describes the theory, features, set up, operation and maintenance of the Natus ErgoJust
and Natus ErgoJust ICU cart. It also provides information on specifications and getting help.
When reviewing the procedures, we recommend you read the entire section first, before beginning
a sequence. Please follow the instructions carefully.
IMPORTANT: All Natus ErgoJust and Natus ErgoJust ICU cart systems must be installed or
upgraded by a qualified and trained Natus technician or representative.
IMPORTANT: Do not attach any cables until all components have been mounted. Chapters 3 and
4 describe where to connect and how to route cables.
Some components may have been factory mounted and cabled on the cart. The cabling diagrams
include steps even for those cables that have been factory connected so you can confirm the
connections are secure.
We strongly recommend that you read the Warnings and Cautions section
of this manual before operating this cart system.
Intended use
The Natus ErgoJust and Natus ErgoJust ICU cart is an accessory for Natus EEG devices based on
the NeuroWorks/SleepWorks platform. It provides a portable workstation that houses all equipment
(offered by Natus) needed to conduct a video EEG study for routine testing, long-term monitoring
(LTM) and EEG monitoring in an intensive care unit (ICU).
Manual conventions
Various symbols and typographical conventions are used throughout the manual. The table on the
next page illustrates them and describes their meanings and functions.
About the illustrations
Models/styles of equipment listed in this publication may vary from those shown in the
illustrations.
Symbol/convention description
In this manual, two labels identify potentially dangerous or destructive conditions and procedures:
This symbol denotes a warning or important information that should not be
missed. Read all warnings and cautions carefully before starting the system for the first time.
This symbol denotes a caution, which identifies conditions or practices that
could result in damage to the equipment.
NOTE: A note contains important supplemental information.
Bold - Names of control keys, function keys, options, and labels are shown in bold. Bold text is
also used to emphasize important names or ideas.
Italic - Italic text is used for captions.

Introduction
August 22, 2017 1-3
Labels and symbols
The following labels and symbols may be affixed to the Natus ErgoJust cart and/or Natus Neurology Incorporated system
components:
When applied on device: Attention: Consult Accompanying Documentation. (ISO 7000-0434A)
When used in documentation: Caution, Warning or Precaution follows.
or
Consult Operating Instructions. Failure to follow operating instructions could place the patient or operator
at risk. Image on blue background. (ISO 7010 M002)
Consult Operating Instructions. (ISO 7000-
1641)
Protective earth
European Authorized Representative Alternating current
Manufacturer. On (only for a part of the equipment)
Disposal at end of operating life instructions Off (only for a part of the equipment)
CE Mark and Notified Body
(Compliant to Neurology Device Directive
93/42/EEC)
Dangerous voltage
Type BF equipment. (Isolated inputs) Equipotentiality
Direct current RX Only CAUTION: USA Federal law restricts this
device to sale or on the order of a licensed
Neurology practitioner
Pinch hazard Tilt hazard
Cart transport Impact hazard
Tipping hazard Minimum/maximum monitor weights
Stored energy hazard

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Safety summary
Warnings The following is an overview of Warnings pertaining to the Natus ErgoJust and Natus ErgoJust
ICU system cart. Additional Warnings and Cautions are located in the various sections of this User
guide. Please read and understand the information in this User guide and any accompanying
documentation thoroughly before using the Natus ErgoJust and Natus ErgoJust ICU cart system.
The function or safety of the equipment could be impaired if it has been subjected to
unfavorable conditions in storage or in transit. If, at any time, function or safety is thought to
be impaired, the instrument should be taken out of operation and secured against unintended
use.
Disconnect all power sources from all system components before servicing.
Conductive parts of electrodes and their connectors are not to contact other conductive parts
and earth.
The Natus Neurology Incorporated system is NOT intended for use with High Frequency
Surgical Equipment.
To avoid possible safety hazards caused by the summation of leakage currents when several
system components are interconnected, other equipment connected to the system should be
powered by a Natus-approved isolation transformer (ISO) or Uninterruptible Power Supply
(UPS).
Connecting other medical equipment, such as a cardiac pacemaker or other electrical
stimulators, simultaneously to the same patient may constitute a safety hazard. The Natus
ErgoJust system is not defibrillator proof. The Amplifier Base Unit (electrode input device)
should be disconnected before using a defibrillator.
The oximeter port is only rated for ESD (Electrostatic Discharge) immunity when the
oximeter is connected or if an oximeter port cover is in place. Either the oximeter or the
oximeter port cover should be connected to the port at all times when in use.
This product must be cleaned and checked periodically. Do not use a defective product. Parts
that are broken, missing, worn, or contaminated should be replaced immediately.
This product must not be altered without the prior written approval of Natus Neurology
Incorporated. The user of this product shall have the sole responsibility for any malfunction
that results from improper use, faulty maintenance, improper repair, unauthorized service,
or alteration by anyone other than Natus Neurology Incorporated or a Natus qualified
service representative.
The safety, reliability, and performance of this device can only be assured under the
following conditions:
•If the device has been used according to the accompanying operating instructions.
•If changes or repairs have been carried out by Natus Neurology Incorporated.
•If it is used in buildings having ground equalization wiring that complies with relevant
UL, CSA, IEC or other local standards and regulations.

Introduction
August 22, 2017 1-5
Impact Hazard! Moving parts can crush and cut.
Minimize lift tension before removing mounted equipment. Failure to heed this warning may
result in serious personal injury or property damage.
1. Lower work surface to lowest position.
2. Turn the adjustment nut at top of the riser counterclockwise until it stops (may require
40-60 turns to minimize lift tension).
3. After removing or adding equipment, adjust lift tension to compensate for weight of new
load.
Do not load cart below minimum or above maximum weight capacities. Do not mount a
display larger than the recommended size. Failure to comply with this warning may result in
cart instability leading to equipment damage or personal injury.
NOTE: If the lift tension is not adjusted to the weight of the monitor, the monitor or work
surface may shift by itself. Adjust the lift tension so that the monitor and work surface
remains stationary.
Tipping Hazard! Failure to comply with the following warnings may result in cart instability
leading to equipment damage or personal injury.
•Do not allow children to climb on cart.
•Do not route electric cords or equipment cables within reach of children.
•Lock all casters when cart is stationary.
•Do not move cart with display in the highest position.
•Do not move cart over cords or uneven, dirty, wet or sloping surfaces.
•Do not move cart by pushing on the display.
Stored energy hazard! Failure to heed the following warnings may result in serious Personal
Injury and damage both to the cart and equipment.
•A primary mechanism within the cart is under tension and can be hazardous to people
exposed to it under certain conditions.
•Do not open the cart tower or base.
•Do not attempt to service the cart.
•Do not remove safety guards or labels designed to protect or inform of possible hazards.
•Only Natus approved installers may service or otherwise modify the cart.

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Voltage requirements
Computer
requirements
The computer used for the cart-based system accepts AC voltage ranges of 100V/115V and 230V
50-60 Hz.
ISO or UPS
requirements
The Natus ErgoJust and Natus ErgoJust ICU cart must be used with a Natus-approved ISO or UPS
to provide electrically isolated power to all system devices. Please contact Natus Technical Support
for more information.
Patient isolation requirements
To ensure that your system is fully electrically isolated and to help guard
your patient against excessive current leakage, connect the main components as described in
this guide.

Introduction
August 22, 2017 1-7
Compatible Natus ErgoJust cart accessories
The following is a list of equipment that may be mounted or installed on the Natus ErgoJust cart.
Other equipment compatible with the Natus NeuroWorks/SleepWorks system which are not
directly mounted or installed are not listed (including software, devices, accessories and cables).
Only Natus-provided All-in-One computers may be fixed on the system..
Natus Part Number Description
10388 Brain Monitor Base Unit
006550 EMU40EX Base Unit
PK1150 Comet-PLUS for EEG (AS40-PLUS Base Unit)
PK1151 Comet-PLUS for PSG (AS40-PLUS Base Unit)
013926 Natus Quantum Base Unit
019672 Supplies Basket
Contact Natus Technical Support
for current part number.
EEG/Sleep Acquisition Desktop 110V (Small-form
factor only)
Contact Natus Technical Support
for current part number.
EEG/Sleep Acquisition Desktop 220V (Small-form
factor only)
105075XL 24" FP Monitor (or equivalent monitor that meets size
and weight requirements)
PK1102 LED Photic Stimulator 110V
EXP1102 LED Photic Stimulator 220V
PK1102-COMET LED Photic Stimulator for Grass Amplifiers 110V
EXP1102-COMET LED Photic Stimulator for Grass Amplifiers 220V
IP-EC-VIDEO-EXT IP PTZ ErgoJust Video Extension
IP-HD-EC-VIDEO-EXT IP PTZ HD ErgoJust Video Extension
005405 EMU40EX / Brain Monitor / Quantum Headbox Side
Quick Disconnect Kit
005406 EMU40EX / Brain Monitor / Quantum Wall/Pole Side
Quick Disconnect Kit
014961 Comet-PLUS Headbox Side Quick Disconnect Kit
ISO-NA-EJ Isolation Transformer 110V (contact Natus Technical
Support for current model)
ISO-INT-EJ Isolation Transformer 220V (contact Natus Technical
Support for current model)
UPS-NA-EJ Medical Grade UPS with Isolation 110V (contact Natus
Technical Support for current model)
UPS-INT-EJ Medical Grade UPS with Isolation 220V (contact Natus
Technical Support for current model)

ErgoJust and ErgoJust ICU Cart Installation and Functionality Guide
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Compatible Natus ErgoJust ICU cart accessories
The following is a list of equipment that may be mounted or installed on the Natus ErgoJust ICU
cart. Other equipment compatible with the Natus NeuroWorks/SleepWorks system which are not
directly mounted or installed are not listed (including software, devices, accessories and cables).
Only Natus-provided small-form factor computers may be fixed on the system. Please consult the
amplifier specific user and service manual for more information, or contact Natus Technical
Support for current part numbers.
Natus Part Number Description
006550 EMU40EX Base Unit
PK1150 Comet-PLUS for EEG (AS40-PLUS Base Unit)
PK1151 Comet-PLUS for PSG (AS40-PLUS Base Unit)
013926 Natus Quantum Base Unit
019672 Supplies Basket
019901 ErgoJust ICU Cart Audio Pack
019902 ErgoJust ICU Cart Video Extension
005405 EMU40EX / Brain Monitor / Quantum Headbox Side
Quick Disconnect Kit
005406 EMU40EX / Brain Monitor / Quantum Wall/Pole Side
Quick Disconnect Kit
014961 Comet-PLUS Headbox Side Quick Disconnect Kit
IP-EC-VIDEO-EXT IP PTZ ErgoJust Video Extension
IP-HD-EC-VIDEO-EXT IP PTZ HD ErgoJust Video Extension
ISO-NA-EJ Isolation Transformer 110V (contact Natus Technical
Support for current model)
ISO-INT-EJ Isolation Transformer 220V (contact Natus Technical
Support for current model)
UPS-NA-EJ Medical Grade UPS with Isolation 110V (contact Natus
Technical Support for current model)
UPS-INT-EJ Medical Grade UPS with Isolation 220V (contact Natus
Technical Support for current model)
Contact Natus Technical Support
for current part number.
EEG/Sleep Acquisition All-in-One Computer - 110V
(contact Natus Technical Support for current model)
Contact Natus Technical Support
for current part number.
EEG/Sleep Acquisition All-in-One Computer - 220V
(contact Natus Technical Support for current model)

Introduction
August 22, 2017 1-9
Disposal at end of operating life instructions.
When the equipment comes to the end of its operating life, it should be disposed of in accordance
with local waste regulation authority, which is typically within the local government office.
Natus ErgoJust cart weight capacities
Figure 1 shows the maximum weight limitations for the monitor holder, work surface, and
keyboard tray.
Figure 1: ErgoJust cart maximum weight capacities.
Natus ErgoJust ICU cart weight capacities
Figure 1 shows the maximum weight limitations for the All-in-One computer holder and work
surface.
Figure 1: ErgoJust ICU cart maximum weight capacities.

ErgoJust and ErgoJust ICU Cart Installation and Functionality Guide
1-10 August 22, 2017
Cleaning recommendations
Natus ErgoJust and
Natus ErgoJust ICU
cart
All paints and plastic components will withstand cleaning by most commonly used, diluted, non-
abrasive solutions such as quaternary ammonia compounds, ammonia enzyme cleaners, bleach or
alcohol solutions. It is recommended that any cleaning solution be tested on a small, inconspicuous
area to ensure the surface is not harmed.
•Pen and permanent and dry erase markers can be removed with 91% isopropyl alcohol and a soft
cloth.
•Iodine stains can be removed with commonly used cleaners and a soft cloth.
•Never use steel wool or other abrasive materials that will damage the surface finish.
System components Cleaning consists of removing all dust from the exterior surface of the system with a soft brush or
cloth. Use a brush to dislodge any dirt on or around the connectors and panel edges. Remove any
dirt with a soft cloth, slightly dampened with a mild detergent solution or cold sterilization agent.
For Natus amplifier devices, refer to the corresponding user and service manual.
Turn OFF system power before cleaning. Prevent detergent solution or cold
disinfecting agents from seeping into the electronics of the instrument. Be especially careful
around controls, connectors and edge panels. Do not use abrasive cleaners.
Preventive maintenance
Electrical safety testing is recommended. It is recommended a schedule be established for these
purposes, with at least an annual cleaning and safety testing. This system does not require
calibration unless otherwise stated.
Preventative maintenance does not require access to the interior of the instrument and may be
performed by the user. For this cart, preventative maintenance consists of periodically cleaning and
inspecting the exterior of the instrument.
It is recommended that all repairs be performed by a qualified Natus Neurology Incorporated
service representative only. You have the sole responsibility for any malfunctions resulting from
improper maintenance or repair by anyone other than an authorized Natus Neurology Incorporated
representative.
If the system is not functioning properly, do not operate it until all necessary repairs are made and
unit is tested for proper functioning in accordance with Natus Neurology Incorporated published
specifications. It is recommended that all repairs be performed by a qualified service representative
only.
Switch off all power to the system before attempting any service, maintenance, or preventive
maintenance.
If the system or any component is repaired, it is recommended that all system functionality be
checked and an electrical safety test be performed prior to resuming use.

August 22, 2017 2-1
Chapter 2
General Use
This chapter shows how to adjust the various components on the Natus ErgoJust and Natus
ErgoJust ICU carts.

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Basic ErgoJust cart system component identification
Keyboard Mouse Natus Photic
Stimulator (option)
Video Camera IR Light and Microphone
Amplifier Base Unit ISO or UPS Computer Natus Photic Stimulator
Power Supply (option)
Video Extension Power Supply
(Camera, IR Light and
Microphone)