
D5.4: Multi-sensor system integrated into wearable fabrics
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MOBISERV
FP7 248434
Operating
mode
Status indicator
Action to enter that mode Action to leave that mode
Streaming
Blue flash
Connect through
Bluetooth
Controlled by the
Bluetooth connection
Recording Orange flash
Press the mode button
until the status light is
orange.
Press the mode button
until the status light is
green.
Followed by green or
red short or longer
flash
Quality of the ECG signal: from long red, short red,
short green to long green for low quality to good
quality.
4.5.2
Mode control
4.5.2.1
Mode switch and status indicator
4.5.2.1.1
Description
The mode button can be used to switch the device into several predefined mode. The user has
to act on the mode switch for a time depending of current state and the desired state. The four
LEDs indicate the status of the data logger during the selection with the switch mode and
either the quality of the ECG and respiration signals or the state of Bluetooth during
operation. The four LEDs consist of one red, one green, one orange and one blue.
Table 10: Selectable mode by the mode switch
Action
Result
Short button press
Store a marker (disabled in default settings)
Longer button press
(status becomes orange or
green)
Switch from idle to recording (red) or from recording to
idle (green) if the button is released while the status is lit
Long button press
(status becomes blue)
Disable (light blue to darker blue transition) or reactivate
the Bluetooth link (darker blue to lighter blue transition).
The following table summarizes the description above.
Table 11: Selectable mode by the mode switch
LED status
Mode
Description
SLEEP
Mode initial,
Ultra low power consumption
STAND-BY
No recording,
Bluetooth ON
RECORDING
ECG quality indication,
Memory writing,
Bluetooth OFF
RECORDING & BLUETOOTH ON
ECG quality indication,
Memory writing,
Bluetooth ON