What do the SAM amplifier LED lights mean?
The SAM amplifier LED lights indicate the device’s power status, connection state, charging status, and error conditions. Different colors and flashing patterns show what the amplifier is currently doing.
When should I check the LED lights?
You should check the amplifier LED indicators:
- Before starting a SAM EEG recording.
- If the software cannot connect to the amplifier.
- If signal acquisition stops unexpectedly.
- During charging to confirm battery status.
🔵 Blue blinking (slow)
Meaning: Amplifier is switched on.
- The device is powered on.
- It is not yet connected to the SAM software.
What to do:
- Open the SAM software.
- Check that the amplifier is selected and connected.
🔵 Blue steady light
Meaning: Amplifier is connected.
- The SAM software has successfully connected to the amplifier.
- The amplifier is ready for EEG acquisition.
What to do:
- Proceed with EEG cap preparation.
- Verify signal quality before starting the recording.
🔵 Blue blinking (fast)
Meaning: Connection error or interruption.
- A temporary connection problem has occurred.
What to do:
- Verify the amplifier connection.
- Reconnect the amplifier if necessary.
- Restart the amplifier if the issue persists.
🔴 Red steady light
Meaning: Amplifier is charging.
- The amplifier is currently charging.
What to do:
- Leave the amplifier connected to the charging station until charging is complete.
🟢 Green steady light
Meaning: Charging complete.
- The amplifier battery is fully charged.
- The device is ready for use.
What to do:
- Remove the amplifier from the charging station.
- Continue with EEG setup and recording as needed.
Important Notes
- The amplifier cannot be switched on while charging.
- Battery status is also displayed in the SAM software.
- Always verify amplifier status before beginning a SAM EEG recording.