Operation
34
− To determine if the rechargeable battery is completely empty, push the menu button.
The
icon will appear on the display for three seconds.
To charge the rechargeable battery:
1. Take the display module
2
out of the band
1
(see
Fig. B
) or the clip
5
.
2. Insert the display module into the USB charger
6
(see
Fig. C
).
3. Connect the USB charger e.g. to a computer.
You can also use a mains adapter with a USB port to charge it (not included in the
product contents).