How can I change the measurement modes of the device?
Go to the device hard drive Faros Data. From this hard drive you can find the FarosManager.exe with which
you can change the measurement settings. See chapter 6 for further information on how to use Faros
Manager.
Which data format should I choose for my measurement, SDF (Suunto Data Format)
or EDF (European Data Format)?
If you wish to measure ECG or make event markers to the measurement data, you always need to use EDF
as saved data format. If you are interested in measuring only R-R intervals and physical activity, you can
choose between EDF and SDF. If you wish to save the RR and acceleration data to a text file format, then
SDF is more appropriate. Both data formats are rather global, which is why there are a variety of software
that can open these files. Note that SDF is not supported from Faros 3.2.x onwards.
Firmware update is not working properly, or device is not responsive after failed
firmware update?
If firmware update process is finished ok but firmware is not upgraded, try again using another USB port on
your computer. Please follow instructions in chapter 9.1.2.
What might be the reason for bad quality measurement data?
If you are using disposable electrodes, the first thing to do is to check whether the electrodes are dry or
not. The quality of the recorded data will suffer with dry electrodes. Once you open the bag of electrodes
remember to close it tightly and firmly to avoid drying the electrodes.
If you are using a heart rate belt, you should moisten its electrode surface with water before putting on the
belt to ensure better contact and signal quality.
If the two reasons presented above have not caused the problem, you can try to reset the device. If
resetting the device does not help, please contact medical.support@bittium.com for assistance.
What is the suitable sampling frequency when measuring ECG?
This depends significantly on the purpose of use for the device. For most measurements and analysis,
250Hz or 125Hz is a suitable sampling frequency. If more accurate ECG data is needed for making ECG or
HRV analysis and diagnosis it is recommended to use sampling rate that is 500Hz or higher.
My Faros device does not start, what might cause this problem?
It is important to remember that Faros device uses the energy of the battery also when it is on standby
mode (“power off” mode). For example, the device’s inner clock uses the battery also when it is turned off
to keep the time. This is why we recommend to recharge the device before every measurement, or at least
when the device has been on standby mode for several days.
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