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Kelsec TgForce3D User Manual Download Page 15

Version 2.2 

TgForce3D Sensor User Guide 

P a g e

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15

 

 

 

 

Page 15 

 
Understanding Peak Positive Acceleration  (PPA) Value 

 

The sensor and the internal algorithm have been designed for measuring the Peak Positive Acceleration 
(PPA) of the tibia. This value is obtained during the initial foot contact. The Z Axis is used for triggering 
the detection but all axes are used in the calculation. 

 

 

 

 

Treadmill & Pavement Running 

 

Depending on  the type of treadmill used, there may be an important variation in impact level  between 
treadmill and pavement running. In many cases, the treadmill running surface will absorb a significant 
portion of the impact. The TgForce 3D sensor is initially set for normal pavement running. If the 
recorded cadence is sometimes incorrect, you should adjust the sensor threshold (g) level (see 
calibration section).   

Summary of Contents for TgForce3D

Page 1: ...TgForce3D Sensor User Guide TgForce3D Sensor User Guide Release 2 2 Copyright 2019 Kelsec Systems Inc ...

Page 2: ...Version 2 2 TgForce3D Sensor User Guide P a g e 2 ...

Page 3: ...ating the sensor 6 Pairing the TgForce3D Sensor 6 Attaching the TgForce3D Sensor 7 Start Running 8 Getting to know the TgForce3D App 9 The main Session view 9 Peak PPA 9 Average 9 Cadence 9 gMax Red threshold line 9 Start Stop 9 The History view 10 The Review chart 11 The Settings view 12 Find Connect New Sensor 12 Impact Monitoring Section 12 gMax Warning Adjustment 12 Audio Feedback 12 Display 1...

Page 4: ...tanding Peak Positive Acceleration PPA Value 15 Treadmill Pavement Running 15 Sensor Calibration 16 General Information 17 Battery life Charging and Power 17 LED Indicator Light 17 App Updates 17 Cleaning using the TgForce sensor in wet condition 17 Return Policy and Warranty 17 Specifications 18 Regulatory and Safety Notices 18 Medical advice 18 Canada Regulatory Conformity 19 ...

Page 5: ...his instruction manual before using the TgForce3D Sensor Getting Started What s included Tgforce3D Sensor Velcro Band USB Charging cable TgForce3D Mobile App on the Appstore Apple iOS Requirements iPhone 5S iPad 2nd Generation iPod Touch 6th Generation iOS Operating System 11 0 or later Downloading the TgForce3D App You will need to download the free TgForce3D App to use your sensor 1 Click on the...

Page 6: ... it will enter sleep mode to preserve battery charge It will also enter sleep mode if the sensor is not paired within 5 minutes Pairing the TgForce3D Sensor Make sure Bluetooth in enabled in the iOS device settings The TgForce App will automatically look for a nearby TgForce sensor and establish pairing You can confirm pairing has been successful by looking at the Bluetooth icon in the upper left ...

Page 7: ...ower extremity Use the provided Velcro band The Sensor must be attached in way that is tight enough so it does not slide on the skin It is very important to have the sensor visual LED indicator on top the charging hole must be downward Note The sensor can also be attached using Adhesive tape such as the 3M Nexcare Water Resistant Adhesive Tape If the sensor cannot be attached firmly with the Velcr...

Page 8: ...e Impact data being received and displayed Each time an impact is detected by the sensor the light will flash blue if paired red if not paired If Audio feedback is activated in the Settings menu you will be notified in your earphone if the impact level is above the gMax threshold You can adjust the gMax threshold in the Settings menu ...

Page 9: ... for the session for the selected axis Calculated over the displayed number of steps Cadence Number of steps per minute counting both feet gMax Red threshold line The gMax threshold can be adjusted in the Settings menu The top PPA value will switch from blue to red every time the impact value is higher than the gMax threshold value If Audio Feedback is enabled an audible sound selectable in the se...

Page 10: ... Time of the session Average PPA Peak Positive Acceleration during the session for each axes and 3D vector Average Cadence of the session Total number of steps during the session Left or right leg as defined in the user view Shoe description for the session Exporting data select the arrow You can use this feature to export the raw data from the session You need to have the iCloud feature of your i...

Page 11: ...ollable and zoomable for reviewing running data with a high level of precision Also available on the review screen is the PPA and Cadence Average for the last 1000 steps The Review screen can be displayed in the portrait or landscape mode Use the Axis Button to toggle between axis X Y Z and 3D Use the scale button to adjust the scale for the g force on the active axis The scale is initially set fo...

Page 12: ... is above the gMax threshold Display For selecting 3D vector or an individual axe X Y Z in the session view and the History Graph view Retrieve Data Section Check and Download data The TgForce3D sensor records all steps in internal memory during a running session Therefore you can run without the iOS device nearby and recover the running data at a later time Please review carefully how the sensor ...

Page 13: ... on the Z axis If the sensor is missing steps and display a low cadence value decrease the threshold value If the sensor is recording superfluous steps with abnormal high cadence number increase the threshold value The default value is 3 3g on the Z axis The User view If the sensor and the iOS TgForce3D App are to be used by multiple runners you can configure multiple users in the this view The ac...

Page 14: ...a triaxial accelerometer All axis X Y Z are sampled at 1600Hz for impact detection After an impact has been detected the peak value for each axis is recorded into memory and transmitted by Bluetooth to the IOS device The 3D resulting vector is also calculated It is important to install and position the sensor correctly for accurate measurement ...

Page 15: ...triggering the detection but all axes are used in the calculation Treadmill Pavement Running Depending on the type of treadmill used there may be an important variation in impact level between treadmill and pavement running In many cases the treadmill running surface will absorb a significant portion of the impact The TgForce 3D sensor is initially set for normal pavement running If the recorded c...

Page 16: ...ep count for the leg with the sensor If the cadence is sometimes very low or the step count displayed is lower than the actual number of steps Reduce the sensor impact threshold value Settings view Advanced Settings Sensor Threshold Try reducing the threshold 1 step at a time If the cadence is sometimes very high or the step count displayed is higher than the actual number of steps Increase the se...

Page 17: ...d Red If the indicator light flash red when the sensor detects an impact it means the sensor is active but not paired to an iOS device Blue The indicator light will flash blue when paired and actively transmitting data to an iOS device App Updates TgForce team will periodically add new features updates and improvement to the TgForce3D App It is recommended that you keep your TgForce3D App updated ...

Page 18: ...aging signifies that this product has to be disposed separately from ordinary household wastes at its end of life Please kindly be aware that this is your responsibility to dispose electronic equipment at recycling centers so as to help conserve natural resources Each country in the European Union should have its collection centers for electrical and electronic equipment recycling For information ...

Page 19: ...t occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equ...

Page 20: ...Version 2 2 TgForce3D Sensor User Guide P a g e 20 10816 Berri Montreal Quebec H3L 2H4 Canada www tgforce com 2019 Kelsec Systems Inc All Rights Reserved Printed in Canada ...

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