Overview Before Using Our Product Thank you for purchasing NIRSIT-Lite Kids. NIRSIT-Lite Kids is functional Near-Infrared spectroscopy device made by OBELAB Inc. It is a device designed to measure variations in cerebral blood oxygen saturation by radiating a near-infrared light beam, at two wavelengths of 780 nm and 850 nm, into the cerebral cortex. The device radiates a LED light with a output of 1 mW or less which is harmless to the human body.
Overview Warranty and Liability Warranty OBELAB Inc. warrants the quality of this product as specified below Warranty Service Free repair service is provided within warranty period (1 year from the date of purchase) to the damaged device due to component failure during proper operation. Charged Service Service is charged when the following cases apply: 1 Out of warranty period 2 Within warranty period a. repairs resulting from natural disasters (lightning, fire, earthquake, storm, flood, etc.) b.
Overview Copyrights This manual is the property of OBELAB Inc. and protected by copyright law. Unauthorized use or reproduction, in whole or part, is strictly forbidden. Contents of this user manual are subject to change without notice, regarding changes to the performance or specifications of the device. For information on the device and user manual, please contact the OBELAB Customer Support Center. Copyright ⓒ 2019 All Rights Reserved.
Overview History of Revision 4 Version Revised date Details 1.
Overview Table of Contents Before Using Our Product ............................................................................................. 1 Warranty and Liability .................................................................................................. 2 Copyrights .................................................................................................................... 3 History of Revision ......................................................................................
Overview 4. 3.3 Putting on the device ................................................................................................. 21 3.4 Installing the Software ............................................................................................... 22 3.5 Running the Software ................................................................................................ 22 3.6 Connecting to the device....................................................................................
Overview 1. 1.1 Overview Safety Instructions Safety instructions are provided to ensure user safety and prevent property damage. Please read the following safety instructions and warnings before using the device. WARNING Symbol WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Failure to comply with a warning could result in severe damage to the device.
Overview CAUTION 1.1.3 Make sure to turn off the device when it is not in use. General Safety Instructions WARNING Do not use the device in a place where there is a risk of explosion. Keep the device away from inflammables. Do not stare directly into the sensor unit or laser. Do not operate the device with wet hands. Do not arbitrarily disassemble, repair, or modify the device. Inspection and repair must only be performed by certified professionals.
Overview 1.2 Symbols Used A list of symbols found in this manual and on the label on the device is shown below. It is important to understand these indications, and to follow the safety instructions. Table 1-1 Symbols Used Symbol WARNING CAUTION Name Description WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Failure to comply with a warning could result in severe damage to the device.
Overview 1.3 Guideline for equipment disposal Figure 1-1 WEEE label (Directive 2002/96/EC) Please dispose of the device according to your local regulations. The product contains components that can be recycled. Please recycle products to protect the environment. All of the product components, except for the battery, can be recycled. Plastic parts may be recycled, or burned in a controlled environment, depending on local laws.
Overview 1.4 Notation Notation is a series of special symbols or conventions used in this manual to denote different items. This manual uses the following notation for users’ better understanding of the device: Table 1-2 Notation Used in the Manual Notation “ ” Bold > Decryption Used to denote a reference. Example: See "Chapter 1. Overview." Used to denote GUI elements such as menus and buttons. Example: Click the STOP button. Used to list several menus or buttons in sequence.
Overview FCC (Federal Communications Commission) This equipment has been tested and found to comply with limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are residential installation. This equipment generates uses and can radiate radio frequency energy and, if not install and use in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
Overview Canadian Compliance This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
Using NIRSIT-Lite Kids System 2. 2.1 Using NIRSIT-Lite Kids System Names and Locations of Components Figure 2-1 Components of the System Table 2-1 Components and Their Functions 설명 No.
Using NIRSIT-Lite Kids System 2.2 Basic Components When opening the package, please make sure to check the components and inform the OBELAB Customer Support Center if there are any issues with the package. NIRSIT LITE Main Unit Replacement Strap USB 2.0 Cable Charger USB OTG Connecter Storage and carry-on box for NIRSIT LITE USB Memory stick with PC software and Manual NOTE 2.3 To purchase accessories, please contact OBELA or an authorized dealer.
Using NIRSIT-Lite Kids System 2.3.1 Charging the Battery Charge the battery by connecting the NIRSIT-Lite to a battery charging pack or tablet via a USB cable. NOTE 16 Charging adapter requirements Rated input: AC 100-240V 50-60Hz 0.50 A Rated output: DC 9.0 V 1.67 A or DC 5.0 V 2.
Using NIRSIT-Lite Kids System 2.3.2 Checking Battery Level Charging in Progress Red LED On Fully Charged Red LED Off Charging Mode Make sure that the device is off before you charge.
Using NIRSIT-Lite Kids System 2.4 Sensor Module Position The below picture shows the difference between laser modules and detector modules in terms of external appearance. Optical Safety The device uses LED Light Sources which is harmless to human body.
Before Using NIRSIT-Lite Kids Software 3. Before Using NIRSIT-Lite Kids Software 3.1 Preparing to wear NIRSIT-Lite 3.1.1 Installing the Strap Holder Adjust the strap holder to fit the subject’s head.
Before Using NIRSIT-Lite Kids Software 3.1.2 Checking Operation Status 1 Press and hold the Power button for 3 seconds to turn on the device. Once powered on, the status indicator will illuminate in green, and a beep will be heard. 2 Press and hold the Power button for 3 seconds again to turn off the device. Once powered off, the status indicator will be off as well 3.2 Turning on the device 1 Turn on the NIRSIT device by pressing and holding the Power button for 3 seconds.
Before Using NIRSIT-Lite Kids Software 3.3 Putting on the device 1 For the comfortable fitting, make enough space between subject’s forehead and the device by loosening the strap before putting on the device. 2 As shown below, remove all hair from the forehead region and put the device on. Subject might need to hold a front side of the device with one hand for accurate fitting.
Before Using NIRSIT-Lite Kids Software 4 Attach the strap to the Velcro to ensure the device adequately comes into contact with the forehead of the subject. The closer the device is to the forehead, the better, but you can adjust the strength of the adhesion with a strap if necessary(e.g. the subject feels too much pressure around forehead) 3.4 Installing the Software Please install the PC software which is included inside the USB memory stick. Follow the instructions inside.
Before Using NIRSIT-Lite Kids Software 3.6 Connecting to the device When you turn on the device, the device is connected to NIRSIT-Lite Kids PC software. Power LED (Green Color) will be on after you turn on the NIRSIT LITE device initially, BLE LED (Blue Color) will be on after pairing. You can connect the device to the computer as shown below.
Using NIRSIT-Lite Kids Software 4. Using NIRSIT-Lite Kids Software NIRSIT-Lite Kids PC software is designed to view real-time variations in cerebral oxygen saturation according to the subject's cognitive status, measured via the NIRSIT-Lite Kids device. This PC Software contains all functions for subjects and observers. Subject Wears the NIRSIT LITE device and performs tasks provided in the NIRSIT-Lite software.
Using NIRSIT-Lite Kids Software 4.2 Setting Serial Port 4.2.1 Connecting to Serial Port 1 Select port in COM Port options and Click Open to connect.
Using NIRSIT-Lite Kids Software 4.3 Gain Calibration 1 Select Gain Cal Start. Sensor Gain calibration of NIRSIT-Lite Kids lasers and detectors allows the device to measure optimal signals from the subject. The subject will need to stay calm with minimal physical movement during the CALIBRATION process to avoid possible artifacts. 2 Once calibration is complete and the time bar at the bottom turns blue, active channels will be shown with yellow circles.
Using NIRSIT-Lite Kids Software 4.4 MONITORING In MONITORING mode, two different modes are available for real time monitoring, both of which display the change in the cerebral oxygen saturation level of the subject. MONITORING comes with two sub-modes. MONITORING Mode 3D Mode Time Series Mode 설명 3D mode visualizes the changes in the hemoglobin level in realtime on a 3D brain model. Depending on the intended use, the user can choose to monitor among HbO2, HbR, or HbT changes.
Using NIRSIT-Lite Kids Software 4.4.1 MONITORING Mode Screen Overview 3D Mode TIME SERIES Mode No. Description Display on-screen filtering menu items as follows: 1 LPF: Use a low-pass filter to remove high frequency noise. CHANNEL REJECTION: that do not meet the default/set SNR value. MBLL: View changes in HbO2 and HbR levels calculated with the Modified BeerLambert Law. HEART BEAT: Remove heartbeat effect. 28 2 Subject Name: Display subject’s name.
Using NIRSIT-Lite Kids Software No. Description Measure Start: Start measurement of HbO2 Or HbR Or HbT Measure Finish: Finish the measurement and save data Y Axis Set: Set Y axis of Time Series graph Baseline: Set the baseline of initial MBLL value to the current value. Save the task start point by selecting the TASK A START button. Save the task end point by selecting the TASK A END button. The same applies to the Task B START and END button.
Using NIRSIT-Lite Kids Software 4.5 REPLAY REPLAY MODE plays measured data using saved database. 4.5.1 REPLAY Screen Overview REPLAY Mode 설명 No. 1 Select DB : Select database to play 2 Shows the path of database Display on-screen function menu items as follows: 3 30 PLAY: Play saved data. PAUSE: Pause playing. STOP: Stop Playing. BACKWARD: Move 5 seconds backward. FORWARD: Move 5 seconds forward. 4 Display total time and progress time. 5 Reset the position of the 3D brain image.
Maintenance 5. Maintenance 5.1 Replacing Accessories and Components 5.1.1 Replacing Straps Replace with a new strap if the current strap is dirty, damaged or feels loose. A strap can be removed by following the installation instructions in reverse order. 5.2 Cleaning Make sure to turn off the NIRSIT device before cleaning. The device must be cleaned and stored after use. If not properly cleaned, or if exposed to direct sunlight, the device may become discolored. 5.2.
Troubleshooting 6. Symptoms The device will not turn on. The battery will not charge. Cannot connect with the tablet. NOTE 32 Troubleshooting Possible cause Solution The battery is discharged. Charge the battery The battery has expired. Contact OBELAB or an authorized dealer. The cable is damaged or severed. If you have a spare, replace the cable. If you do not have a spare, purchase a new cable. This environment is not suitable to store or operate the product.
Product Specifications 7. 7.1 Product Specifications Mechanical Characteristics Item 7.
Product Specifications 7.3 Electrical Characteristics Item Input Voltage (via USB port) 5V Maximum Voltage (via USB port) 2.1 A Battery Type Lithium ion polymer battery Usage Time Up to 5 hours(when fully charged) Voltage 3.7 V Capacity 1000 mAh Data Storage Built-in memory in PC storage Communication Wireless BLE 5.0 (2.4 GHz) Wired 7.4 Description Serial Communication PC Requirements Item 7.
Product Specifications 35
Product Specifications 36