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Table of Contents

1. Introduction
2. Tips to ensure optimal data quality
3. How to measure with Naos
4. How to measure with Admos
5. How to automatically synchronize videos

Introduction

Follow these steps and you can't do anything wrong. Read further below for more info and details.

Switch the sensor on

Press 1x on the on/off button.

Measure

Wait for 15 minutes, then give the sensor to the athlete.

Real-time analysis (only for Naos)

Use your smartphone or tablet and connect to the realtime webapp.

Switch the sensor off

Press 3x on the on/off button.

Offline Analysis

Add the data to the webapp and select the segments you want to analyse in-depth. All potential segments of interest are automatically detected.

What does a sensor measure?

Tips to ensure optimal data quality

Give the sensor enough time to find satellites

The more satellites it can get, the more precise your data will be. After switching the sensor on, leave the sensor at least for 15 minutes still and under the open sky. The antenna is on the side where the LED light is. This light should point towards the open ski. Under good conditions Admos may get up to 25 satellites. Naos may get up to 30 satellites.

Attach the sensor correctly

We recommend to always use our shirts with the dedicated pocket for wearing the sensor. The shirts have been specifically designed and optimized for our sensors.

• When the athlete is wearing the sensor, make sure that the face with the LED light is visible. This is where the GNSS antenna is and this face needs to see the sky.
• Make sure that the sensor's longitudinal axis is well aligned with the spine's longitudinal axis and that there is no rotation. This is usually no problem when using our shirts.
• Make sure that the sensor is hold firmly in place. It should not be able to move or vibrate when the athlete is making sudden movements. This is uncomfortable for the athlete and drastically reduces data quality because of added noise.

How to measure with Naos

Overview of the LED blinking behavior:

1x per second

During a measurement: Sensor is looking to connect to the 4G/LTE network
When plugged to USB: Sensor is charging

3x per second and then nothing

The sensor has no more battery and switches off.

1x every 6 seconds

The sensor is recording in the online mode.

2x every 6 seconds

The sensor is recording in the offline mode.

Nothing

When plugged to USB: Sensor charging is completed

Switch the sensor on - online mode

The sensor is recording data as soon as it is switched on. However, all data will be discarded until there is GNSS reception. You can verify the sensor status on the webapp.

To have the maximum number of satellites, for optimal performance, we recommend leaving the sensor still for 10 - 15 minutes before you give it to the athlete. Make sure that during this time the sensor has clear sky but does not lie in the sun. If you are using multiple sensors, make sure to leave some spacing between the sensors to avoid signal interference.

Switch the sensor on - offline mode

To have the maximum number of satellites, for optimal performance, we recommend leaving the sensor still for 10 - 15 minutes before you give it to the athlete. Make sure that during this time the sensor has clear sky but does not lie in the sun.

Switch the sensor off

Download the data (offline mode only)

Charging the sensor

How to measure with AdMos

Switch the sensor on

• Press the on/off button 1x.
• The sensor will start blinking red slowly, 1x per second. It is looking for GNSS satellites.
• Once it has found satellites the sensor blinks rapidly.

The sensor is recording data as soon as it is switched on. However, the data will only be usable once it has found GNSS satellites.

The sensor may blink green: this happens when you touch the electrodes on the back. This does not influence the recording. You can safely disregard the color.

To have the maximum number of satellites, for optimal performance, we recommend leaving the sensor still for 15 - 20 minutes before you give it to the athlete. Make sure that during this time the sensor has clear sky but does not lie in the sun. If you are using multiple sensors, make sure to leave some spacing between the sensors to avoid signal interference.

Switch the sensor off

Download the data

If you are logged in and connected to the internet while downloading the data it will be added automatically to the webapp in the background. With this you don't need to upload the file again when you create a measurement.

Charging the sensor

• Connect the sensor with the USB cable to any charging device or to a USB port on your computer.
• The sensor will start blinking 1x every second: this indicates that it is charging.
• When the LED stops blinking and is always on: the sensor is fully charged.

How to automatically synchronize videos

Steps to follow

• Switch the sync sensor on.
• Put it under the open sky for about 15 minutes, as with the Naos or Admos sensors.
• Connect to the camera's microphone-in connection
• Record your videos as usual. Video duration should be at least 5-6 seconds. Better 10 seconds.

When you are filming, the video sync unit can be placed in a pocket. Just make sure that the cable remains connected. You may disconnect and reconnect the cable any time you are not filming. There is no synchronization required with any other sensor. The video sync units works completely autonomously. It gets the time from the same satellites as the senors on the athlete.