Page 1
Attachment and utilization of the device
1. Attach the electrodes to
the cable and device end.
2. Remove the cover.
3. Attach the device end to
the right side of the body
under the collarbone. The
cable end is attached to the
left side of the body on the
rib cage.
4. The measurement starts
automatically when the
device is attached. Make
sure the green led is
flashing. Note: The light is
easiest to see in a dark
room.
Detach the device during showers, sauna and swimming. It is not allowed to wear the device in the water!
Recording continues automatically when you re-attach the device. When you want to end the measurement,
simply detach the monitor from your body and remove the electrodes. The device will stop recording
automatically.
The electrodes are disposable. Change them at least once per day, for example after taking a shower or if they
become loose during the measurement. The glue or electrode paste can irritate your skin, so clean and dry your
skin after removing the electrodes. You can also slightly alter the electrode location between days.
Explanations for signal lights during a measurement
Green led is flashing in sync with the
heart rate.
Device is recording heartbeat data.
Green and orange led are flashing
simultaneously.
Battery is low, but device is still recording. If you have
just started the measurement, get in touch with your
contact person.
Red led is flashing or burns constantly.
Battery is dead or the memory is full. Recording has
ended. Stop the measurement and get in touch with your
contact person.
FIRSTBEAT BODYGUARD 2 GUIDE
Page 2
Uploading heartbeat data and recharging the device
To ensure electrical safety, the device must not be connected to a computer when attached to a person.
The data is uploaded via Firstbeat compatible software or a browser plug-in. Attach the device to the
computer’s USB port and open the Firstbeat compatible software.
Attach the device to the computer’s USB port to recharge the battery. The charging begins automatically.
Multiple devices can be recharged simultaneously in a USB hub that is connected to the power network.
Note! Do not recharge multiple devices in a USB hub that is
connected to the computer’s USB port because all devices
might not charge fully. Also, do not store fully charged
devices in a USB hub!
When re-attaching the cable, make sure it goes in the
right way (see image on the right) and snaps all the way in.
Explanations for signal lights while attached to the USB port
Orange led is flashing once per second.
The battery is charging.
Orange led burns continuously.
The battery is fully charged.
Green led burns continuously.
Bodyguard 2 is in communication with the computer.
Green led is flashing rapidly.
Reading measurement data.
Technical specifications
Rechargeable battery (last app. 6 days)
Storage capacity: app. 20 days
IP class IP52 (in recording mode)
Weight: 24 g
Measurement accuracy for heartbeat recording: 1 ms (1000 Hz)
Measurement accuracy for movement:
o Sampling frequency: 12.5 Hz
o Resolution: 8 Bit
o G-scale: 4G
Bodyguard 2 data can be uploaded directly to Firstbeat programs (Analysis Server, Firstbeat SPORTS)
Data upload and battery charging is done directly via the USB-port
In case of questions, please check www.firstbeat.com/support or contact Firstbeat technical support
tel. +358 20 7631 664 (Mon-Fri 9.00-16.00 GMT +2) or support@firstbeat.com.
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